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• External HDD USB 3.0 failure

  - by Philip

  [ 2560.376113] usb 9-1: new high-speed USB device number 2 using xhci_hcd [ 2560.376186] usb 9-1: Device not responding to set address. [ 2560.580136] usb 9-1: Device not responding to set address. [ 2560.784104] usb 9-1: device not accepting address 2, error -71 [ 2560.840127] hub 9-0:1.0: unable to enumerate USB device on port 1 [ 2561.080182] usb 10-1: new SuperSpeed USB device number 5 using xhci_hcd [ 2566.096163] usb 10-1: device descriptor read/8, error -110 [ 2566.200096] usb 10-1: new SuperSpeed USB device number 5 using xhci_hcd [ 2571.216175] usb 10-1: device descriptor read/8, error -110 [ 2571.376138] hub 10-0:1.0: unable to enumerate USB device on port 1 [ 2571.744174] usb 10-1: new SuperSpeed USB device number 7 using xhci_hcd [ 2576.760116] usb 10-1: device descriptor read/8, error -110 [ 2576.864074] usb 10-1: new SuperSpeed USB device number 7 using xhci_hcd [ 2581.880153] usb 10-1: device descriptor read/8, error -110 [ 2582.040123] hub 10-0:1.0: unable to enumerate USB device on port 1 [ 2582.224139] hub 9-0:1.0: unable to enumerate USB device on port 1 [ 2582.464177] usb 10-1: new SuperSpeed USB device number 9 using xhci_hcd [ 2587.480122] usb 10-1: device descriptor read/8, error -110 [ 2587.584079] usb 10-1: new SuperSpeed USB device number 9 using xhci_hcd [ 2592.600150] usb 10-1: device descriptor read/8, error -110 [ 2592.760134] hub 10-0:1.0: unable to enumerate USB device on port 1 [ 2593.128175] usb 10-1: new SuperSpeed USB device number 11 using xhci_hcd [ 2598.144183] usb 10-1: device descriptor read/8, error -110 [ 2598.248109] usb 10-1: new SuperSpeed USB device number 11 using xhci_hcd [ 2603.264171] usb 10-1: device descriptor read/8, error -110 [ 2603.480157] usb 10-1: new SuperSpeed USB device number 12 using xhci_hcd [ 2608.496162] usb 10-1: device descriptor read/8, error -110 [ 2608.600091] usb 10-1: new SuperSpeed USB device number 12 using xhci_hcd [ 2613.616166] usb 10-1: device descriptor read/8, error -110 [ 2613.832170] usb 10-1: new SuperSpeed USB device number 13 using xhci_hcd [ 2618.848135] usb 10-1: device descriptor read/8, error -110 [ 2618.952079] usb 10-1: new SuperSpeed USB device number 13 using xhci_hcd [ 2623.968155] usb 10-1: device descriptor read/8, error -110 [ 2624.184176] usb 10-1: new SuperSpeed USB device number 14 using xhci_hcd [ 2629.200124] usb 10-1: device descriptor read/8, error -110 [ 2629.304075] usb 10-1: new SuperSpeed USB device number 14 using xhci_hcd [ 2634.320172] usb 10-1: device descriptor read/8, error -110 [ 2634.424135] hub 10-0:1.0: unable to enumerate USB device on port 1 [ 2634.776186] usb 10-1: new SuperSpeed USB device number 15 using xhci_hcd [ 2639.792105] usb 10-1: device descriptor read/8, error -110 [ 2639.896090] usb 10-1: new SuperSpeed USB device number 15 using xhci_hcd [ 2644.912172] usb 10-1: device descriptor read/8, error -110 [ 2645.128174] usb 10-1: new SuperSpeed USB device number 16 using xhci_hcd [ 2650.144160] usb 10-1: device descriptor read/8, error -110 [ 2650.248062] usb 10-1: new SuperSpeed USB device number 16 using xhci_hcd [ 2655.264120] usb 10-1: device descriptor read/8, error -110 [ 2655.480182] usb 10-1: new SuperSpeed USB device number 17 using xhci_hcd [ 2660.496121] usb 10-1: device descriptor read/8, error -110 [ 2660.600086] usb 10-1: new SuperSpeed USB device number 17 using xhci_hcd [ 2665.616167] usb 10-1: device descriptor read/8, error -110 [ 2665.832177] usb 10-1: new SuperSpeed USB device number 18 using xhci_hcd [ 2670.848110] usb 10-1: device descriptor read/8, error -110 [ 2670.952066] usb 10-1: new SuperSpeed USB device number 18 using xhci_hcd [ 2675.968081] usb 10-1: device descriptor read/8, error -110 [ 2676.072124] hub 10-0:1.0: unable to enumerate USB device on port 1 [ 2786.104531] xhci_hcd 0000:02:00.0: remove, state 4 [ 2786.104546] usb usb10: USB disconnect, device number 1 [ 2786.104686] xHCI xhci_drop_endpoint called for root hub [ 2786.104692] xHCI xhci_check_bandwidth called for root hub [ 2786.104942] xhci_hcd 0000:02:00.0: USB bus 10 deregistered [ 2786.105054] xhci_hcd 0000:02:00.0: remove, state 4 [ 2786.105065] usb usb9: USB disconnect, device number 1 [ 2786.105176] xHCI xhci_drop_endpoint called for root hub [ 2786.105181] xHCI xhci_check_bandwidth called for root hub [ 2786.109787] xhci_hcd 0000:02:00.0: USB bus 9 deregistered [ 2786.110134] xhci_hcd 0000:02:00.0: PCI INT A disabled [ 2794.268445] pci 0000:02:00.0: [1b73:1000] type 0 class 0x000c03 [ 2794.268483] pci 0000:02:00.0: reg 10: [mem 0x00000000-0x0000ffff] [ 2794.268689] pci 0000:02:00.0: PME# supported from D0 D3hot [ 2794.268700] pci 0000:02:00.0: PME# disabled [ 2794.276383] pci 0000:02:00.0: BAR 0: assigned [mem 0xd7800000-0xd780ffff] [ 2794.276398] pci 0000:02:00.0: BAR 0: set to [mem 0xd7800000-0xd780ffff] (PCI address [0xd7800000-0xd780ffff]) [ 2794.276419] pci 0000:02:00.0: no hotplug settings from platform [ 2794.276658] xhci_hcd 0000:02:00.0: enabling device (0000 -> 0002) [ 2794.276675] xhci_hcd 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 2794.276762] xhci_hcd 0000:02:00.0: setting latency timer to 64 [ 2794.276771] xhci_hcd 0000:02:00.0: xHCI Host Controller [ 2794.276913] xhci_hcd 0000:02:00.0: new USB bus registered, assigned bus number 9 [ 2794.395760] xhci_hcd 0000:02:00.0: irq 16, io mem 0xd7800000 [ 2794.396141] xHCI xhci_add_endpoint called for root hub [ 2794.396144] xHCI xhci_check_bandwidth called for root hub [ 2794.396195] hub 9-0:1.0: USB hub found [ 2794.396203] hub 9-0:1.0: 1 port detected [ 2794.396305] xhci_hcd 0000:02:00.0: xHCI Host Controller [ 2794.396371] xhci_hcd 0000:02:00.0: new USB bus registered, assigned bus number 10 [ 2794.396496] xHCI xhci_add_endpoint called for root hub [ 2794.396499] xHCI xhci_check_bandwidth called for root hub [ 2794.396547] hub 10-0:1.0: USB hub found [ 2794.396553] hub 10-0:1.0: 1 port detected [ 2798.004084] usb 1-3: new high-speed USB device number 8 using ehci_hcd [ 2798.140824] scsi21 : usb-storage 1-3:1.0 [ 2820.176116] usb 1-3: reset high-speed USB device number 8 using ehci_hcd [ 2824.000526] scsi 21:0:0:0: Direct-Access BUFFALO HD-PZU3 0001 PQ: 0 ANSI: 6 [ 2824.002263] sd 21:0:0:0: Attached scsi generic sg2 type 0 [ 2824.003617] sd 21:0:0:0: [sdb] 1953463728 512-byte logical blocks: (1.00 TB/931 GiB) [ 2824.005139] sd 21:0:0:0: [sdb] Write Protect is off [ 2824.005149] sd 21:0:0:0: [sdb] Mode Sense: 1f 00 00 08 [ 2824.009084] sd 21:0:0:0: [sdb] No Caching mode page present [ 2824.009094] sd 21:0:0:0: [sdb] Assuming drive cache: write through [ 2824.011944] sd 21:0:0:0: [sdb] No Caching mode page present [ 2824.011952] sd 21:0:0:0: [sdb] Assuming drive cache: write through [ 2824.049153] sdb: sdb1 [ 2824.051814] sd 21:0:0:0: [sdb] No Caching mode page present [ 2824.051821] sd 21:0:0:0: [sdb] Assuming drive cache: write through [ 2824.051825] sd 21:0:0:0: [sdb] Attached SCSI disk [ 2839.536624] usb 1-3: USB disconnect, device number 8 [ 2844.620178] usb 10-1: new SuperSpeed USB device number 2 using xhci_hcd [ 2844.640281] scsi22 : usb-storage 10-1:1.0 [ 2850.326545] scsi 22:0:0:0: Direct-Access BUFFALO HD-PZU3 0001 PQ: 0 ANSI: 6 [ 2850.327560] sd 22:0:0:0: Attached scsi generic sg2 type 0 [ 2850.329561] sd 22:0:0:0: [sdb] 1953463728 512-byte logical blocks: (1.00 TB/931 GiB) [ 2850.329889] sd 22:0:0:0: [sdb] Write Protect is off [ 2850.329897] sd 22:0:0:0: [sdb] Mode Sense: 1f 00 00 08 [ 2850.330223] sd 22:0:0:0: [sdb] No Caching mode page present [ 2850.330231] sd 22:0:0:0: [sdb] Assuming drive cache: write through [ 2850.331414] sd 22:0:0:0: [sdb] No Caching mode page present [ 2850.331423] sd 22:0:0:0: [sdb] Assuming drive cache: write through [ 2850.384116] usb 10-1: USB disconnect, device number 2 [ 2850.392050] sd 22:0:0:0: [sdb] Unhandled error code [ 2850.392056] sd 22:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 2850.392061] sd 22:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00 [ 2850.392074] end_request: I/O error, dev sdb, sector 0 [ 2850.392079] quiet_error: 70 callbacks suppressed [ 2850.392082] Buffer I/O error on device sdb, logical block 0 [ 2850.392194] ldm_validate_partition_table(): Disk read failed. [ 2850.392271] Dev sdb: unable to read RDB block 0 [ 2850.392377] sdb: unable to read partition table [ 2850.392581] sd 22:0:0:0: [sdb] READ CAPACITY failed [ 2850.392584] sd 22:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 2850.392588] sd 22:0:0:0: [sdb] Sense not available. [ 2850.392613] sd 22:0:0:0: [sdb] Asking for cache data failed [ 2850.392617] sd 22:0:0:0: [sdb] Assuming drive cache: write through [ 2850.392621] sd 22:0:0:0: [sdb] Attached SCSI disk [ 2850.732182] usb 10-1: new SuperSpeed USB device number 3 using xhci_hcd [ 2850.752228] scsi23 : usb-storage 10-1:1.0 [ 2851.752709] scsi 23:0:0:0: Direct-Access BUFFALO HD-PZU3 0001 PQ: 0 ANSI: 6 [ 2851.754481] sd 23:0:0:0: Attached scsi generic sg2 type 0 [ 2851.756576] sd 23:0:0:0: [sdb] 1953463728 512-byte logical blocks: (1.00 TB/931 GiB) [ 2851.758426] sd 23:0:0:0: [sdb] Write Protect is off [ 2851.758436] sd 23:0:0:0: [sdb] Mode Sense: 1f 00 00 08 [ 2851.758779] sd 23:0:0:0: [sdb] No Caching mode page present [ 2851.758787] sd 23:0:0:0: [sdb] Assuming drive cache: write through [ 2851.759968] sd 23:0:0:0: [sdb] No Caching mode page present [ 2851.759977] sd 23:0:0:0: [sdb] Assuming drive cache: write through [ 2851.817710] sdb: sdb1 [ 2851.820562] sd 23:0:0:0: [sdb] No Caching mode page present [ 2851.820568] sd 23:0:0:0: [sdb] Assuming drive cache: write through [ 2851.820572] sd 23:0:0:0: [sdb] Attached SCSI disk [ 2852.060352] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2852.076533] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2852.076538] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2852.196329] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2852.212593] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2852.212599] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2852.456290] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2852.472402] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2852.472408] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2852.624304] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2852.640531] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2852.640536] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2852.772296] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2852.788536] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2852.788541] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2852.920349] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2852.936536] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2852.936540] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2853.072287] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2853.088565] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2853.088570] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2884.176339] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2884.192561] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2884.192567] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2884.320349] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2884.336526] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2884.336531] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2884.468344] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2884.484551] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2884.484556] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2884.612349] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2884.628540] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2884.628545] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2884.756350] usb 10-1: reset SuperSpeed USB device number 3 using xhci_hcd [ 2884.772528] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b19060 [ 2884.772533] xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint called with disabled ep f6b1908c [ 2884.848116] usb 10-1: USB disconnect, device number 3 [ 2884.851493] scsi 23:0:0:0: [sdb] killing request [ 2884.851501] scsi 23:0:0:0: [sdb] killing request [ 2884.851699] scsi 23:0:0:0: [sdb] Unhandled error code [ 2884.851702] scsi 23:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 2884.851708] scsi 23:0:0:0: [sdb] CDB: Read(10): 28 00 00 5f 2b ee 00 00 3e 00 [ 2884.851721] end_request: I/O error, dev sdb, sector 6237166 [ 2884.851726] Buffer I/O error on device sdb1, logical block 6237102 [ 2884.851730] Buffer I/O error on device sdb1, logical block 6237103 [ 2884.851738] Buffer I/O error on device sdb1, logical block 6237104 [ 2884.851741] Buffer I/O error on device sdb1, logical block 6237105 [ 2884.851744] Buffer I/O error on device sdb1, logical block 6237106 [ 2884.851747] Buffer I/O error on device sdb1, logical block 6237107 [ 2884.851750] Buffer I/O error on device sdb1, logical block 6237108 [ 2884.851753] Buffer I/O error on device sdb1, logical block 6237109 [ 2884.851757] Buffer I/O error on device sdb1, logical block 6237110 [ 2884.851807] scsi 23:0:0:0: [sdb] Unhandled error code [ 2884.851810] scsi 23:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 2884.851813] scsi 23:0:0:0: [sdb] CDB: Read(10): 28 00 00 5f 2c 2c 00 00 3e 00 [ 2884.851824] end_request: I/O error, dev sdb, sector 6237228 [ 2885.168190] usb 10-1: new SuperSpeed USB device number 4 using xhci_hcd [ 2885.188268] scsi24 : usb-storage 10-1:1.0 Please help me with my problem. I got this after running dmesg.

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• usb mouse/keyboard doesn't work with 3.11.0-12-generic kernel

  - by x-yuri

  I can't use my usb keyboard/mouse after upgrade from raring to saucy. The keyboard works in grub menu and if I boot with the previous kernel version (3.8.0-31-generic). My new kernel version is 3.11.0-12-generic. I've got Mad Catz R.A.T.7 wired USB mouse, Canyon CNL-MBMSO02 wired usb mouse and Logitech diNovo Edge wireless keyboard, connected to computer through Logitech Unifying Receiver. Using PS/2 keyboard I've managed to get some information. dmesg says: [ 0.166273] ACPI: bus type USB registered [ 0.166273] usbcore: registered new interface driver usbfs [ 0.166273] usbcore: registered new interface driver hub [ 0.166273] usbcore: registered new device driver usb ... [ 3.534226] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 3.534228] ehci-pci: EHCI PCI platform driver [ 3.534291] ehci-pci 0000:00:1a.7: setting latency timer to 64 [ 3.534299] ehci-pci 0000:00:1a.7: EHCI Host Controller [ 3.534304] ehci-pci 0000:00:1a.7: new USB bus registered, assigned bus number 1 [ 3.534315] ehci-pci 0000:00:1a.7: debug port 1 [ 3.538218] ehci-pci 0000:00:1a.7: cache line size of 64 is not supported [ 3.538231] ehci-pci 0000:00:1a.7: irq 18, io mem 0xd3325400 [ 3.548017] ehci-pci 0000:00:1a.7: USB 2.0 started, EHCI 1.00 [ 3.548042] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 3.548045] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.548048] usb usb1: Product: EHCI Host Controller [ 3.548050] usb usb1: Manufacturer: Linux 3.11.0-12-generic ehci_hcd [ 3.548053] usb usb1: SerialNumber: 0000:00:1a.7 [ 3.548155] hub 1-0:1.0: USB hub found [ 3.548159] hub 1-0:1.0: 6 ports detected [ 3.548311] ehci-pci 0000:00:1d.7: setting latency timer to 64 [ 3.548319] ehci-pci 0000:00:1d.7: EHCI Host Controller [ 3.548323] ehci-pci 0000:00:1d.7: new USB bus registered, assigned bus number 2 [ 3.548333] ehci-pci 0000:00:1d.7: debug port 1 [ 3.552228] ehci-pci 0000:00:1d.7: cache line size of 64 is not supported [ 3.552239] ehci-pci 0000:00:1d.7: irq 23, io mem 0xd3325000 [ 3.564014] ehci-pci 0000:00:1d.7: USB 2.0 started, EHCI 1.00 [ 3.564044] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ 3.564047] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.564050] usb usb2: Product: EHCI Host Controller [ 3.564052] usb usb2: Manufacturer: Linux 3.11.0-12-generic ehci_hcd [ 3.564056] usb usb2: SerialNumber: 0000:00:1d.7 [ 3.564163] hub 2-0:1.0: USB hub found [ 3.564167] hub 2-0:1.0: 6 ports detected [ 3.564274] ehci-platform: EHCI generic platform driver [ 3.564280] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 3.564281] ohci-platform: OHCI generic platform driver [ 3.564287] uhci_hcd: USB Universal Host Controller Interface driver [ 3.564345] uhci_hcd 0000:00:1a.0: setting latency timer to 64 [ 3.564347] uhci_hcd 0000:00:1a.0: UHCI Host Controller [ 3.564352] uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3 [ 3.564378] uhci_hcd 0000:00:1a.0: irq 16, io base 0x0000f0c0 [ 3.564402] usb usb3: New USB device found, idVendor=1d6b, idProduct=0001 [ 3.564404] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.564406] usb usb3: Product: UHCI Host Controller [ 3.564408] usb usb3: Manufacturer: Linux 3.11.0-12-generic uhci_hcd [ 3.564410] usb usb3: SerialNumber: 0000:00:1a.0 [ 3.564478] hub 3-0:1.0: USB hub found [ 3.564482] hub 3-0:1.0: 2 ports detected [ 3.564589] uhci_hcd 0000:00:1a.1: setting latency timer to 64 [ 3.564592] uhci_hcd 0000:00:1a.1: UHCI Host Controller [ 3.564597] uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4 [ 3.564623] uhci_hcd 0000:00:1a.1: irq 21, io base 0x0000f0a0 [ 3.564647] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001 [ 3.564649] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.564651] usb usb4: Product: UHCI Host Controller [ 3.564653] usb usb4: Manufacturer: Linux 3.11.0-12-generic uhci_hcd [ 3.564654] usb usb4: SerialNumber: 0000:00:1a.1 [ 3.564727] hub 4-0:1.0: USB hub found [ 3.564730] hub 4-0:1.0: 2 ports detected [ 3.564834] uhci_hcd 0000:00:1a.2: setting latency timer to 64 [ 3.564837] uhci_hcd 0000:00:1a.2: UHCI Host Controller [ 3.564843] uhci_hcd 0000:00:1a.2: new USB bus registered, assigned bus number 5 [ 3.564863] uhci_hcd 0000:00:1a.2: irq 18, io base 0x0000f080 [ 3.564885] usb usb5: New USB device found, idVendor=1d6b, idProduct=0001 [ 3.564887] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.564889] usb usb5: Product: UHCI Host Controller [ 3.564891] usb usb5: Manufacturer: Linux 3.11.0-12-generic uhci_hcd [ 3.564892] usb usb5: SerialNumber: 0000:00:1a.2 [ 3.564962] hub 5-0:1.0: USB hub found [ 3.564966] hub 5-0:1.0: 2 ports detected [ 3.565073] uhci_hcd 0000:00:1d.0: setting latency timer to 64 [ 3.565076] uhci_hcd 0000:00:1d.0: UHCI Host Controller [ 3.565081] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 6 [ 3.565101] uhci_hcd 0000:00:1d.0: irq 23, io base 0x0000f060 [ 3.565124] usb usb6: New USB device found, idVendor=1d6b, idProduct=0001 [ 3.565127] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.565128] usb usb6: Product: UHCI Host Controller [ 3.565130] usb usb6: Manufacturer: Linux 3.11.0-12-generic uhci_hcd [ 3.565132] usb usb6: SerialNumber: 0000:00:1d.0 [ 3.565195] hub 6-0:1.0: USB hub found [ 3.565198] hub 6-0:1.0: 2 ports detected [ 3.565303] uhci_hcd 0000:00:1d.1: setting latency timer to 64 [ 3.565306] uhci_hcd 0000:00:1d.1: UHCI Host Controller [ 3.565310] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 7 [ 3.565329] uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000f040 [ 3.565352] usb usb7: New USB device found, idVendor=1d6b, idProduct=0001 [ 3.565354] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.565356] usb usb7: Product: UHCI Host Controller [ 3.565358] usb usb7: Manufacturer: Linux 3.11.0-12-generic uhci_hcd [ 3.565359] usb usb7: SerialNumber: 0000:00:1d.1 [ 3.565424] hub 7-0:1.0: USB hub found [ 3.565427] hub 7-0:1.0: 2 ports detected [ 3.565534] uhci_hcd 0000:00:1d.2: setting latency timer to 64 [ 3.565537] uhci_hcd 0000:00:1d.2: UHCI Host Controller [ 3.565541] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 8 [ 3.565560] uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000f020 [ 3.565584] usb usb8: New USB device found, idVendor=1d6b, idProduct=0001 [ 3.565587] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 3.565588] usb usb8: Product: UHCI Host Controller [ 3.565590] usb usb8: Manufacturer: Linux 3.11.0-12-generic uhci_hcd [ 3.565592] usb usb8: SerialNumber: 0000:00:1d.2 [ 3.565658] hub 8-0:1.0: USB hub found [ 3.565661] hub 8-0:1.0: 2 ports detected ... [ 4.120014] usb 2-3: new high-speed USB device number 2 using ehci-pci ... [ 4.468908] usb 2-3: New USB device found, idVendor=046d, idProduct=0825 [ 4.468912] usb 2-3: New USB device strings: Mfr=0, Product=0, SerialNumber=2 [ 4.468914] usb 2-3: SerialNumber: AF582E10 ... [ 5.284019] usb 5-2: new full-speed USB device number 2 using uhci_hcd [ 5.465903] usb 5-2: New USB device found, idVendor=046d, idProduct=0b04 [ 5.465908] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 5.465911] usb 5-2: Product: Logitech BT Mini-Receiver [ 5.465914] usb 5-2: Manufacturer: Logitech [ 5.468948] hub 5-2:1.0: USB hub found [ 5.470898] hub 5-2:1.0: 3 ports detected [ 5.476096] Switched to clocksource tsc [ 5.712099] usb 7-2: new full-speed USB device number 2 using uhci_hcd [ 5.896366] usb 7-2: New USB device found, idVendor=046d, idProduct=c52b [ 5.896370] usb 7-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 5.896372] usb 7-2: Product: USB Receiver [ 5.896374] usb 7-2: Manufacturer: Logitech [ 6.140016] usb 8-1: new full-speed USB device number 2 using uhci_hcd [ 6.324597] usb 8-1: New USB device found, idVendor=0738, idProduct=1708 [ 6.324603] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 6.324605] usb 8-1: Product: Mad Catz R.A.T.7 Mouse [ 6.324608] usb 8-1: Manufacturer: Mad Catz [ 6.564012] usb 8-2: new low-speed USB device number 3 using uhci_hcd [ 6.746602] usb 8-2: New USB device found, idVendor=1d57, idProduct=0010 [ 6.746608] usb 8-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 6.746610] usb 8-2: Product: usb mouse with wheel [ 6.746613] usb 8-2: Manufacturer: HID-Compliant Mouse [ 7.337898] usb 5-2.2: new full-speed USB device number 3 using uhci_hcd [ 7.490902] usb 5-2.2: New USB device found, idVendor=046d, idProduct=c713 [ 7.490907] usb 5-2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 7.490910] usb 5-2.2: Product: Logitech BT Mini-Receiver [ 7.490913] usb 5-2.2: Manufacturer: Logitech [ 7.490915] usb 5-2.2: SerialNumber: 001F203BD6A7 [ 7.569898] usb 5-2.3: new full-speed USB device number 4 using uhci_hcd [ 7.722901] usb 5-2.3: New USB device found, idVendor=046d, idProduct=c714 [ 7.722906] usb 5-2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 7.722909] usb 5-2.3: Product: Logitech BT Mini-Receiver [ 7.722911] usb 5-2.3: Manufacturer: Logitech [ 7.722913] usb 5-2.3: SerialNumber: 001F203BD6A7 lsusb (more output): Bus 002 Device 002: ID 046d:0825 Logitech, Inc. Webcam C270 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 008 Device 003: ID 1d57:0010 Xenta Bus 008 Device 002: ID 0738:1708 Mad Catz, Inc. Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 004: ID 046d:c714 Logitech, Inc. diNovo Edge Keyboard Bus 005 Device 003: ID 046d:c713 Logitech, Inc. Bus 005 Device 002: ID 046d:0b04 Logitech, Inc. Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub More background. Before that I had a problem with logging in to GNOME. During which I upgraded all the packages at one point (apt-get upgrade) and it stopped booting at all (it didn't get to login screen). Then I fixed PATH issue and now I've got this usb-not-working issue. I tried reinstalling kernel, to no effect. Is there anything else I can do to fix or diagnose the problem?

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• HSDPA modem only working on certain USB ports

  - by nabulke

  Depending on which USB port I use to connect my HSDPA modem, the network manager will connect to the internet or not. I used to work (i.e. established a internet connection automatically) on all ports, but over time it simply stopped on some ports. lsusb output in all cases looks like that (Device ID varies depending on USB port): Bus 001 Device 009: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem Any ideas what could cause this behaviour? What can I do to fix this? ADDED One additional information about the modem: if connected via USB it will be available as as harddrive AND as a HSDPA modem (kind of a duality...). In the error case, it will only be shown as a harddrive. ADDITIONAL INFO AS REQUESTED MODEM NOT WORKING Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 413c:8000 Dell Computer Corp. BC02 Bluetooth Adapter Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 007: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem Bus 001 Device 005: ID 046d:c00c Logitech, Inc. Optical Wheel Mouse Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB Bus 001 Device 003: ID 413c:0058 Dell Computer Corp. Port Replicator Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub laptop:~$ dmesg | grep 'usb' [ 0.225371] usbcore: registered new interface driver usbfs [ 0.225387] usbcore: registered new interface driver hub [ 0.225418] usbcore: registered new device driver usb [ 0.504291] usb usb1: configuration #1 chosen from 1 choice [ 0.504767] usb usb2: configuration #1 chosen from 1 choice [ 0.505046] usb usb3: configuration #1 chosen from 1 choice [ 0.505601] usb usb4: configuration #1 chosen from 1 choice [ 1.061064] usb 1-6: new high speed USB device using ehci_hcd and address 3 [ 1.192636] usb 1-6: configuration #1 chosen from 1 choice [ 1.447006] usb 2-2: new full speed USB device using uhci_hcd and address 2 [ 1.634908] usb 2-2: configuration #1 chosen from 1 choice [ 1.708164] usb 1-6.1: new high speed USB device using ehci_hcd and address 4 [ 1.801668] usb 1-6.1: configuration #1 chosen from 1 choice [ 2.076279] usb 1-6.1.1: new low speed USB device using ehci_hcd and address 5 [ 2.174932] usb 1-6.1.1: configuration #1 chosen from 1 choice [ 6.580315] usb 1-6.1.2: new high speed USB device using ehci_hcd and address6 [ 6.683479] usb 1-6.1.2: configuration #1 chosen from 1 choice [ 20.018671] usbcore: registered new interface driver btusb [ 20.131703] usbcore: registered new interface driver usb-storage [ 20.131988] usb-storage: device found at 6 [ 20.131991] usb-storage: waiting for device to settle before scanning [ 20.207981] usb 1-6.1.2: USB disconnect, address 6 [ 20.291499] usbcore: registered new interface driver hiddev [ 20.297052] input: Logitech USB Mouse as /devices/pci0000:00/0000:00:1d.7/usb1/1-6/1-6.1/1-6.1.1/1-6.1.1:1.0/input/input6 [ 20.297465] generic-usb 0003:046D:C00C.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech USB Mouse] on usb-0000:00:1d.7-6.1.1/input0 [ 20.297534] usbcore: registered new interface driver usbhid [ 20.297803] usbhid: v2.6:USB HID core driver [ 26.552360] usb 1-6.1.2: new high speed USB device using ehci_hcd and address 7 [ 26.663506] usb 1-6.1.2: configuration #1 chosen from 1 choice [ 26.709628] usb-storage: device found at 7 [ 26.709631] usb-storage: waiting for device to settle before scanning [ 26.732387] usb-storage: device found at 7 [ 26.732390] usb-storage: waiting for device to settle before scanning [ 31.709568] usb-storage: device scan complete [ 31.733676] usb-storage: device scan complete MODEM WORKING Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 002: ID 046d:c00c Logitech, Inc. Optical Wheel Mouse Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 413c:8000 Dell Computer Corp. BC02 Bluetooth Adapter Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 004: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E270 HSDPA/HSUPA Modem Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub dmesg | grep 'usb' [ 0.134811] usbcore: registered new interface driver usbfs [ 0.134826] usbcore: registered new interface driver hub [ 0.134858] usbcore: registered new device driver usb [ 0.360327] usb usb1: configuration #1 chosen from 1 choice [ 0.360783] usb usb2: configuration #1 chosen from 1 choice [ 0.361061] usb usb3: configuration #1 chosen from 1 choice [ 0.361611] usb usb4: configuration #1 chosen from 1 choice [ 1.144122] usb 2-2: new full speed USB device using uhci_hcd and address 2 [ 1.346896] usb 2-2: configuration #1 chosen from 1 choice [ 1.588072] usb 3-1: new low speed USB device using uhci_hcd and address 2 [ 1.761204] usb 3-1: configuration #1 chosen from 1 choice [ 5.972042] usb 1-1: new high speed USB device using ehci_hcd and address 4 [ 6.115438] usb 1-1: configuration #1 chosen from 1 choice [ 19.990565] usbcore: registered new interface driver usbserial [ 19.991429] usb-storage: device found at 4 [ 19.991432] usb-storage: waiting for device to settle before scanning [ 20.017260] usbcore: registered new interface driver usb-storage [ 20.017305] usbcore: registered new interface driver usbserial_generic [ 20.017308] usbserial: USB Serial Driver core [ 20.017817] usb-storage: device found at 4 [ 20.017820] usb-storage: waiting for device to settle before scanning [ 20.070796] usbcore: registered new interface driver btusb [ 20.229525] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB0 [ 20.229776] usb 1-1: GSM modem (1-port) converter now attached to ttyUSB1 [ 20.229843] usbcore: registered new interface driver option [ 20.230396] usbcore: registered new interface driver hiddev [ 20.246280] input: Logitech USB Mouse as /devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1:1.0/input/input6 [ 20.246438] generic-usb 0003:046D:C00C.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech USB Mouse] on usb-0000:00:1d.1-1/input0 [ 20.246479] usbcore: registered new interface driver usbhid [ 20.246483] usbhid: v2.6:USB HID core driver [ 25.436579] usb-storage: device scan complete [ 25.437674] usb-storage: device scan complete

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• USB external drive is not recognized by any OS, how to troubleshoot in Ubuntu?

  - by Breno

  First of all I would like to inform you that I saw a question similar to mine but the error was different, so here's my problem... I have an external HD samsung s2 model of 500GB and a day to day just stopped working, tried in other systems (windows and mac) however are not recognized. In the windows device manager when I insert the usb it states that the device in question are not working properly. Well, in the logs of my ubuntu 4.12 I see the following message when I insert my usb device in: [ 2967.560216] usb 7-2: new full-speed USB device number 2 using uhci_hcd [ 2967.680182] usb 7-2: device descriptor read/64, error -71 [ 2967.904176] usb 7-2: device descriptor read/64, error -71 [ 2968.120227] usb 7-2: new full-speed USB device number 3 using uhci_hcd [ 2968.240207] usb 7-2: device descriptor read/64, error -71 [ 2968.464063] usb 7-2: device descriptor read/64, error -71 [ 2968.680087] usb 7-2: new full-speed USB device number 4 using uhci_hcd [ 2969.092085] usb 7-2: device not accepting address 4, error -71 [ 2969.208155] usb 7-2: new full-speed USB device number 5 using uhci_hcd [ 2969.624076] usb 7-2: device not accepting address 5, error -71 [ 2969.624118] hub 7-0:1.0: unable to enumerate USB device on port 2 [ 4520.240340] usb 7-1: new full-speed USB device number 6 using uhci_hcd [ 4520.364079] usb 7-1: device descriptor read/64, error -71 [ 4520.588109] usb 7-1: device descriptor read/64, error -71 [ 4520.804140] usb 7-1: new full-speed USB device number 7 using uhci_hcd [ 4520.924136] usb 7-1: device descriptor read/64, error -71 [ 4521.148083] usb 7-1: device descriptor read/64, error -71 [ 4521.364105] usb 7-1: new full-speed USB device number 8 using uhci_hcd [ 4521.776237] usb 7-1: device not accepting address 8, error -71 [ 4521.888206] usb 7-1: new full-speed USB device number 9 using uhci_hcd [ 4522.296102] usb 7-1: device not accepting address 9, error -71 [ 4522.296150] hub 7-0:1.0: unable to enumerate USB device on port 1 [ 4749.036104] usb 7-2: new full-speed USB device number 10 using uhci_hcd [ 4749.156209] usb 7-2: device descriptor read/64, error -71 [ 4749.380215] usb 7-2: device descriptor read/64, error -71 [ 4749.596206] usb 7-2: new full-speed USB device number 11 using uhci_hcd [ 4749.716409] usb 7-2: device descriptor read/64, error -71 [ 4749.940110] usb 7-2: device descriptor read/64, error -71 [ 4750.156257] usb 7-2: new full-speed USB device number 12 using uhci_hcd [ 4750.572150] usb 7-2: device not accepting address 12, error -71 [ 4750.684215] usb 7-2: new full-speed USB device number 13 using uhci_hcd [ 4751.100182] usb 7-2: device not accepting address 13, error -71 [ 4751.100224] hub 7-0:1.0: unable to enumerate USB device on port 2 Here is my system: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 002: ID 08ff:2810 AuthenTec, Inc. AES2810 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07) 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02) 00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02) 00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 02) 00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02) 00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 92) 00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 02) 00:1f.2 IDE interface: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 2 port SATA Controller [IDE mode] (rev 02) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02) 00:1f.5 IDE interface: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 2 port SATA Controller [IDE mode] (rev 02) 02:01.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev ba) 02:01.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 04) 02:01.2 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 21) 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5756ME Gigabit Ethernet PCI Express 0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01) Does anyone have any clue what would be the problem?

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• USB mouse does not work on boot

  - by Uku Loskit

  My problem is pretty much a duplicate of the one described in USB mouse late to load , but the solution there has not worked for me. I'm running the same OS and experiencing the exact same issue. It disappears after 10 seconds or so. Booting with the options specified in the other question did not fix it :/ Thanks in advance. sheepz@sheepz-desktop:~$ dmesg | egrep "hci|usb" [ 0.188000] usbcore: registered new interface driver usbfs [ 0.188000] usbcore: registered new interface driver hub [ 0.188000] usbcore: registered new device driver usb [ 0.358613] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.358627] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.358637] uhci_hcd: USB Universal Host Controller Interface driver [ 0.358683] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23 [ 0.358691] uhci_hcd 0000:00:1d.0: setting latency timer to 64 [ 0.358695] uhci_hcd 0000:00:1d.0: UHCI Host Controller [ 0.358726] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1 [ 0.358758] uhci_hcd 0000:00:1d.0: irq 23, io base 0x0000e100 [ 0.358927] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 [ 0.358932] uhci_hcd 0000:00:1d.1: setting latency timer to 64 [ 0.358935] uhci_hcd 0000:00:1d.1: UHCI Host Controller [ 0.358964] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2 [ 0.358991] uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000e200 [ 0.359132] uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18 [ 0.359137] uhci_hcd 0000:00:1d.2: setting latency timer to 64 [ 0.359139] uhci_hcd 0000:00:1d.2: UHCI Host Controller [ 0.359165] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3 [ 0.359193] uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000e300 [ 0.359327] uhci_hcd 0000:00:1d.3: PCI INT D -> GSI 16 (level, low) -> IRQ 16 [ 0.359332] uhci_hcd 0000:00:1d.3: setting latency timer to 64 [ 0.359334] uhci_hcd 0000:00:1d.3: UHCI Host Controller [ 0.359360] uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4 [ 0.359387] uhci_hcd 0000:00:1d.3: irq 16, io base 0x0000e400 [ 0.731933] usb 1-1: new full speed USB device using uhci_hcd and address 2 [ 1.023859] usb 1-2: new full speed USB device using uhci_hcd and address 3 [ 16.136175] usb 1-2: device descriptor read/64, error -110 [ 31.352481] usb 1-2: device descriptor read/64, error -110 [ 31.568485] usb 1-2: new full speed USB device using uhci_hcd and address 4 [ 46.680794] usb 1-2: device descriptor read/64, error -110 [ 61.903555] usb 1-2: device descriptor read/64, error -110 [ 62.119671] usb 1-2: new full speed USB device using uhci_hcd and address 5 [ 72.541078] usb 1-2: device not accepting address 5, error -110 [ 72.653194] usb 1-2: new full speed USB device using uhci_hcd and address 6 [ 83.066637] usb 1-2: device not accepting address 6, error -110 [ 83.178615] usb 3-1: new low speed USB device using uhci_hcd and address 2 [ 83.562546] usbcore: registered new interface driver hiddev [ 83.578827] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.2/usb3/3-1/3-1:1.0/input/input3 [ 83.579016] generic-usb 0003:046D:C01D.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.2-1/input0 [ 83.579244] usbcore: registered new interface driver usbhid [ 83.579246] usbhid: USB HID core driver [114025.224407] usb 3-1: USB disconnect, address 2 sheepz@sheepz-desktop:~$ dmesg | egrep "hci|usb" [ 0.188000] usbcore: registered new interface driver usbfs [ 0.188000] usbcore: registered new interface driver hub [ 0.188000] usbcore: registered new device driver usb [ 0.358613] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.358627] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.358637] uhci_hcd: USB Universal Host Controller Interface driver [ 0.358683] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23 [ 0.358691] uhci_hcd 0000:00:1d.0: setting latency timer to 64 [ 0.358695] uhci_hcd 0000:00:1d.0: UHCI Host Controller [ 0.358726] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1 [ 0.358758] uhci_hcd 0000:00:1d.0: irq 23, io base 0x0000e100 [ 0.358927] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19 [ 0.358932] uhci_hcd 0000:00:1d.1: setting latency timer to 64 [ 0.358935] uhci_hcd 0000:00:1d.1: UHCI Host Controller [ 0.358964] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 2 [ 0.358991] uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000e200 [ 0.359132] uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18 [ 0.359137] uhci_hcd 0000:00:1d.2: setting latency timer to 64 [ 0.359139] uhci_hcd 0000:00:1d.2: UHCI Host Controller [ 0.359165] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 3 [ 0.359193] uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000e300 [ 0.359327] uhci_hcd 0000:00:1d.3: PCI INT D -> GSI 16 (level, low) -> IRQ 16 [ 0.359332] uhci_hcd 0000:00:1d.3: setting latency timer to 64 [ 0.359334] uhci_hcd 0000:00:1d.3: UHCI Host Controller [ 0.359360] uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 4 [ 0.359387] uhci_hcd 0000:00:1d.3: irq 16, io base 0x0000e400 [ 0.731933] usb 1-1: new full speed USB device using uhci_hcd and address 2 [ 1.023859] usb 1-2: new full speed USB device using uhci_hcd and address 3 [ 16.136175] usb 1-2: device descriptor read/64, error -110 [ 31.352481] usb 1-2: device descriptor read/64, error -110 [ 31.568485] usb 1-2: new full speed USB device using uhci_hcd and address 4 [ 46.680794] usb 1-2: device descriptor read/64, error -110 [ 61.903555] usb 1-2: device descriptor read/64, error -110 [ 62.119671] usb 1-2: new full speed USB device using uhci_hcd and address 5 [ 72.541078] usb 1-2: device not accepting address 5, error -110 [ 72.653194] usb 1-2: new full speed USB device using uhci_hcd and address 6 [ 83.066637] usb 1-2: device not accepting address 6, error -110 [ 83.178615] usb 3-1: new low speed USB device using uhci_hcd and address 2 [ 83.562546] usbcore: registered new interface driver hiddev [ 83.578827] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.2/usb3/3-1/3-1:1.0/input/input3 [ 83.579016] generic-usb 0003:046D:C01D.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.2-1/input0 [ 83.579244] usbcore: registered new interface driver usbhid [ 83.579246] usbhid: USB HID core driver

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• Getting USB Wifi device to work

  - by Lolwhites

  I have been trying to get an Olitec Wifi N USB dongle to work. At first it lit up but wouldn't connect. A little Googling suggested that it would need ndiswrapper to make it work. After installing and trying to add driver with ndisgtk, I got the error message FATAL: Module ndiswrapper not found., but the driver appears in the list of currently installed ones anyway. However, the situation appears even worse: The USB device doesn't even light up (which it does when plugged into my netbook), suggesting the thing isn't detected any more. How to I go about resolving this issue? I've tried uninstalling ndiswrapper but there seems to have been some permanent change as the device is still not lighting up, as it did at first. Edit: Contents of /etc/modprobe.d/ndiswrapper.conf alias usb:v04F2pAFF7d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v04F2pAFF8d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v04F2pAFF9d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v04F2pAFFAd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v04F2pAFFBd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v04F2pAFFCd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v050Dp1102d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v050Dp2102d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v050Dp2103d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0586p341Fd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v06F8pE033d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v07AAp0056d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v07B8p8178d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v07B8p8189d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0B05p17ABd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp8170d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp8176d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp8177d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp8178d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp817Ad*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp817Bd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp817Cd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp817Ed*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp817Fd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp8186d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BDAp8192d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0BFFp8160d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0DF6p0052d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0DF6p005Cd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0DF6p0061d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v0EB0p9071d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v103Cp1629d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v13D3p3357d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v13D3p3358d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v13D3p3359d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2001p3307d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2001p3308d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2001p3309d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2001p330Ad*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019p1201d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019p4902d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019p4903d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019p4904d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019pAB2Ad*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019pAB2Bd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019pAB2Cd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019pAB2Ed*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v2019pED17d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v20F4p624Dd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v20F4p648Bd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v20F4p664Bd*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v4855p0090d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v4855p0091d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v4856p0091d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v7392p7811d*dc*dsc*dp*ic*isc*ip* ndiswrapper alias usb:v7392p7822d*dc*dsc*dp*ic*isc*ip* ndiswrapper

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• Cannot mount USB 3 harddrive

  - by Thijs

  I cannot mount an USB 3 harddrive. When looking at dmesg I got the following error: [ 96.463269] usb 3-2.1: >new low-speed USB device number 10 using xhci_hcd [ 96.485777] usb 3-2.1: >New USB device found, idVendor=046d, idProduct=c025 [ 96.485787] usb 3-2.1: >New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 96.485792] usb 3-2.1: >Product: USB-PS/2 Optical Mouse [ 96.485797] usb 3-2.1: >Manufacturer: B16_b_02 [ 96.486118] usb 3-2.1: >ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes [ 96.490149] input: B16_b_02 USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2.1/3-2.1:1.0/input/input12 [ 96.490500] hid-generic 0003:046D:C025.0003: >input,hidraw0: USB HID v1.10 Mouse [B16_b_02 USB-PS/2 Optical Mouse] on usb-0000:00:14.0-2.1/input0 [ 114.088984] usb 3-2.3: >new high-speed USB device number 11 using xhci_hcd [ 114.105041] usb 3-2.3: >New USB device found, idVendor=13fd, idProduct=1618 [ 114.105051] usb 3-2.3: >New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 257.531777] usb 3-2.3: >USB disconnect, device number 11 [ 258.513912] usb 3-2.4: >new high-speed USB device number 12 using xhci_hcd [ 258.514046] usb 3-2.4: >Device not responding to set address. [ 258.717649] usb 3-2.4: >Device not responding to set address. [ 258.921203] usb 3-2.4: >device not accepting address 12, error -71 [ 258.937388] hub 3-2:1.0: >unable to enumerate USB device on port 4 I have tried to mount the drive on ubuntu-12.04 and it mounts just fine.

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• USB Drive Not recognized

  - by user36582

  My Friend's Pen Drive, which was working well very well just few days ago, is not being recognized after getting used by a virus affected machine. Its not on fdisk -l or lsusb However in dmesg I can see the following: [ 977.300013] usb 5-2: new full speed USB device using uhci_hcd and address 2 [ 977.420014] usb 5-2: device descriptor read/64, error -71 [ 977.644023] usb 5-2: device descriptor read/64, error -71 [ 977.860013] usb 5-2: new full speed USB device using uhci_hcd and address 3 [ 977.980013] usb 5-2: device descriptor read/64, error -71 [ 978.204013] usb 5-2: device descriptor read/64, error -71 [ 978.420013] usb 5-2: new full speed USB device using uhci_hcd and address 4 [ 978.828015] usb 5-2: device not accepting address 4, error -71 [ 978.940015] usb 5-2: new full speed USB device using uhci_hcd and address 5 [ 979.348013] usb 5-2: device not accepting address 5, error -71 [ 979.348292] hub 5-0:1.0: unable to enumerate USB device on port 2 [ 1017.848015] usb 5-2: new full speed USB device using uhci_hcd and address 6 [ 1017.968012] usb 5-2: device descriptor read/64, error -71 [ 1018.192017] usb 5-2: device descriptor read/64, error -71 [ 1018.408014] usb 5-2: new full speed USB device using uhci_hcd and address 7 [ 1018.528012] usb 5-2: device descriptor read/64, error -71 [ 1018.752023] usb 5-2: device descriptor read/64, error -71 [ 1018.968012] usb 5-2: new full speed USB device using uhci_hcd and address 8 [ 1019.376019] usb 5-2: device not accepting address 8, error -71 [ 1019.488011] usb 5-2: new full speed USB device using uhci_hcd and address 9 [ 1019.896016] usb 5-2: device not accepting address 9, error -71 [ 1019.896308] hub 5-0:1.0: unable to enumerate USB device on port 2 [ 1049.984016] usb 5-1: new full speed USB device using uhci_hcd and address 10 [ 1050.104014] usb 5-1: device descriptor read/64, error -71 [ 1050.328014] usb 5-1: device descriptor read/64, error -71 [ 1050.544014] usb 5-1: new full speed USB device using uhci_hcd and address 11 [ 1050.664018] usb 5-1: device descriptor read/64, error -71 [ 1050.888019] usb 5-1: device descriptor read/64, error -71 [ 1051.104025] usb 5-1: new full speed USB device using uhci_hcd and address 12 [ 1051.512014] usb 5-1: device not accepting address 12, error -71 [ 1051.624101] usb 5-1: new full speed USB device using uhci_hcd and address 13 [ 1052.032014] usb 5-1: device not accepting address 13, error -71 [ 1052.032991] hub 5-0:1.0: unable to enumerate USB device on port 1 What these Errors actually mean and how Can I get this pen drive Back to work ??

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• The Best Free Tools for Creating a Bootable Windows or Linux USB Drive

  - by Lori Kaufman

  If you need to install Windows or Linux and you don’t have access to a CD/DVD drive, a bootable USB drive is the solution. You can boot to the USB drive, using it to run the OS setup program, just like a CD or DVD. We have collected some links to free programs that allow you to easily setup a USB drive to install Windows or Linux on a computer. NOTE: If you have problems getting the BIOS on your computer to let you boot from a USB drive, see our article about booting from a USB drive even if your BIOS won’t let you. What Is the Purpose of the “Do Not Cover This Hole” Hole on Hard Drives? How To Log Into The Desktop, Add a Start Menu, and Disable Hot Corners in Windows 8 HTG Explains: Why You Shouldn’t Use a Task Killer On Android

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• Windows XP mounting USB drive to same letter as previously mapped network drive

  - by GAThrawn

  Why does Windows always mount a USB drive as the next drive letter after the last physical drive, even when that letter is already taken by a mapped drive, and is there any way to improve this behaviour? What happens is I tend to use a few different flash drives on my PC, as well as having both a Blackberry and a personal phone that mount as USB drives when I plug them in to charge. Being on a corporate PC I also have a number of mapped network drives (some set by login script, some set as persistent mappings in my profile). When I first login I'll have drive letters like this: C: - Local Drive D: - DVD Drive G: - Login script mapped drive J: - Login script mapped drive When I plug the Blackberry in it'll mount two drives (one for onboard storage, one for the SD card) as E: and F:. If I then plug in another USB drive it will mount as G:, even though that's already taken by a network mapped drive. This leaves me with the following drives: C: - Local Drive D: - DVD Drive E: - USB drive (Blackberry) F: - USB drive (Blackberry) G: - Login script mapped drive [G: - USB drive - mounted but not visible in Explorer or command prompt] J: - Login script mapped drive I then have to go into Disk Management, find the new USB drive that's mounted to G: and re-assign it to another letter eg Z:, once this is done Auto-Play detects it and throws up its normal dialog, and its browseable in Explorer. While this is OK to do if you only use one or two USB drives and have admin access to your PC with your login account, its a total pain in the proverbial if you regularly use a whole load of different USB devices, and corporate policy means you have one account for your normal login (that only has User access to workstations), but have to use a different account for any privileged action. I realize that one possible reason for this is the difference between hardware which is mounted and assigned drive letters at the systen level, and mapped drives which are done at the user level. For USB devices that are already plugged in before login, then obviously they're mounted before Windows knows what network drives may be mapped. However if you plug the USB devices in after you're fully logged in and have drives mapped then Windows must know which letters are available?

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• Self-powered USB hub and power supply adapter ampere capacity

  - by galacticninja

  I am looking for a power supply adapter for my USB Hub so it can support at least 2 bus-powered external hard drives. The hub's rating is 5 volts, 2 amperes. I would like to know if it would be OK to buy a power supply adapter rated at less than 2A. I've been looking for power supply adapters and the ones that do support 2A are more expensive (more expensive than the USB hub itself) compared to those that support less than 2A. Will power supply adapter that supports less than 2A (~1-1.5A) work fine to support two external hard drives? The external hard drives are both bus-powered Western Digital My Passport Essentials 250 GB. The OS is Windows XP SP3.

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• External usb 3.0 hard drive is not recognised when plugged into usb 3 port (ubuntu natty 64 bit).

  - by kimangroo

  I have an Iomega Prestige Portable External Hard Drive 1TB USB 3.0. It works fine on windows 7 as a usb 3.0 drive. It isn't detected on ubuntu natty 64bit, 2.6.38-8-generic. fdisk -l cannot see it at all: Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x1bed746b Device Boot Start End Blocks Id System /dev/sda1 1 1689 13560832 27 Unknown /dev/sda2 * 1689 1702 102400 7 HPFS/NTFS /dev/sda3 1702 19978 146805760 7 HPFS/NTFS /dev/sda4 19978 60802 327914497 5 Extended /dev/sda5 25555 60802 283120640 7 HPFS/NTFS /dev/sda6 19978 23909 31571968 83 Linux /dev/sda7 23909 25555 13218816 82 Linux swap / Solaris Partition table entries are not in disk order lsusb can see it: Bus 003 Device 003: ID 059b:0070 Iomega Corp. Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 004: ID 05fe:0011 Chic Technology Corp. Browser Mouse Bus 002 Device 003: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 005: ID 0489:e00f Foxconn / Hon Hai Bus 001 Device 004: ID 0c45:64b5 Microdia Bus 001 Device 003: ID 08ff:168f AuthenTec, Inc. Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub And dmesg | grep -i xhci (I may have unplugged the drive and plugged it back in again after booting): [ 1.659060] pci 0000:04:00.0: xHCI HW did not halt within 2000 usec status = 0x0 [ 11.484971] xhci_hcd 0000:04:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 [ 11.484997] xhci_hcd 0000:04:00.0: setting latency timer to 64 [ 11.485002] xhci_hcd 0000:04:00.0: xHCI Host Controller [ 11.485064] xhci_hcd 0000:04:00.0: new USB bus registered, assigned bus number 3 [ 11.636149] xhci_hcd 0000:04:00.0: irq 18, io mem 0xc5400000 [ 11.636241] xhci_hcd 0000:04:00.0: irq 43 for MSI/MSI-X [ 11.636246] xhci_hcd 0000:04:00.0: irq 44 for MSI/MSI-X [ 11.636251] xhci_hcd 0000:04:00.0: irq 45 for MSI/MSI-X [ 11.636256] xhci_hcd 0000:04:00.0: irq 46 for MSI/MSI-X [ 11.636261] xhci_hcd 0000:04:00.0: irq 47 for MSI/MSI-X [ 11.639654] xHCI xhci_add_endpoint called for root hub [ 11.639655] xHCI xhci_check_bandwidth called for root hub [ 11.956366] usb 3-1: new SuperSpeed USB device using xhci_hcd and address 2 [ 12.001073] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 12.007059] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 12.012932] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 12.018922] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 12.049139] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 12.056754] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 12.131607] xhci_hcd 0000:04:00.0: WARN no SS endpoint bMaxBurst [ 12.179717] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 12.686876] xhci_hcd 0000:04:00.0: WARN: babble error on endpoint [ 12.687058] xhci_hcd 0000:04:00.0: WARN Set TR Deq Ptr cmd invalid because of stream ID configuration [ 12.687152] xhci_hcd 0000:04:00.0: ERROR Transfer event for disabled endpoint or incorrect stream ring [ 43.330737] usb 3-1: reset SuperSpeed USB device using xhci_hcd and address 2 [ 43.422579] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 43.422658] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88014669af00 [ 43.422665] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88014669af40 [ 43.422671] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88014669af80 [ 43.422677] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88014669afc0 [ 43.531159] xhci_hcd 0000:04:00.0: WARN no SS endpoint bMaxBurst [ 125.160248] xhci_hcd 0000:04:00.0: WARN no SS endpoint bMaxBurst [ 903.766466] usb 3-1: new SuperSpeed USB device using xhci_hcd and address 3 [ 903.807789] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 903.813530] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 903.819400] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 903.825104] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 903.855067] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 903.862314] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 903.862597] xhci_hcd 0000:04:00.0: WARN no SS endpoint bMaxBurst [ 903.913211] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 904.424416] xhci_hcd 0000:04:00.0: WARN: babble error on endpoint [ 904.424599] xhci_hcd 0000:04:00.0: WARN Set TR Deq Ptr cmd invalid because of stream ID configuration [ 904.424700] xhci_hcd 0000:04:00.0: ERROR Transfer event for disabled endpoint or incorrect stream ring [ 935.139021] usb 3-1: reset SuperSpeed USB device using xhci_hcd and address 3 [ 935.226075] xhci_hcd 0000:04:00.0: WARN: short transfer on control ep [ 935.226140] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff880148186b00 [ 935.226148] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff880148186b40 [ 935.226153] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff880148186b80 [ 935.226159] xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff880148186bc0 [ 935.343339] xhci_hcd 0000:04:00.0: WARN no SS endpoint bMaxBurst I thought it might be that the firmware wasn't compatible with linux or something, but when booting a live image of partedmagic, (2.6.38.4-pmagic), the drive was detected fine, I could mount it and got usb 3.0 speeds (at least they double the speeds I got from plugging same drive in usb 2 ports). dmesg in partedmagic did say something about no SuperSpeed endpoint which was an error I saw in a previous dmesg of ubuntu: Jun 27 15:49:02 (none) user.info kernel: [ 2.978743] xhci_hcd 0000:04:00.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 Jun 27 15:49:02 (none) user.debug kernel: [ 2.978771] xhci_hcd 0000:04:00.0: setting latency timer to 64 Jun 27 15:49:02 (none) user.info kernel: [ 2.978781] xhci_hcd 0000:04:00.0: xHCI Host Controller Jun 27 15:49:02 (none) user.info kernel: [ 2.978856] xhci_hcd 0000:04:00.0: new USB bus registered, assigned bus number 3 Jun 27 15:49:02 (none) user.info kernel: [ 3.089458] xhci_hcd 0000:04:00.0: irq 18, io mem 0xc5400000 Jun 27 15:49:02 (none) user.debug kernel: [ 3.089541] xhci_hcd 0000:04:00.0: irq 42 for MSI/MSI-X Jun 27 15:49:02 (none) user.debug kernel: [ 3.089544] xhci_hcd 0000:04:00.0: irq 43 for MSI/MSI-X Jun 27 15:49:02 (none) user.debug kernel: [ 3.089546] xhci_hcd 0000:04:00.0: irq 44 for MSI/MSI-X Jun 27 15:49:02 (none) user.debug kernel: [ 3.089548] xhci_hcd 0000:04:00.0: irq 45 for MSI/MSI-X Jun 27 15:49:02 (none) user.debug kernel: [ 3.089550] xhci_hcd 0000:04:00.0: irq 46 for MSI/MSI-X Jun 27 15:49:02 (none) user.warn kernel: [ 3.092857] usb usb3: No SuperSpeed endpoint companion for config 1 interface 0 altsetting 0 ep 129: using minimum values Jun 27 15:49:02 (none) user.info kernel: [ 3.092864] usb usb3: New USB device found, idVendor=1d6b, idProduct=0003 Jun 27 15:49:02 (none) user.info kernel: [ 3.092866] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 Jun 27 15:49:02 (none) user.info kernel: [ 3.092867] usb usb3: Product: xHCI Host Controller Jun 27 15:49:02 (none) user.info kernel: [ 3.092869] usb usb3: Manufacturer: Linux 2.6.38.4-pmagic xhci_hcd Jun 27 15:49:02 (none) user.info kernel: [ 3.092870] usb usb3: SerialNumber: 0000:04:00.0 Jun 27 15:49:02 (none) user.debug kernel: [ 3.092961] xHCI xhci_add_endpoint called for root hub Jun 27 15:49:02 (none) user.debug kernel: [ 3.092963] xHCI xhci_check_bandwidth called for root hub Well I have no idea what's going wrong, and I haven't had much luck from google and the forums so far. A number of unanswered threads with people with similar error messages and problems only. Hopefully someone here can help or point me in the right direction?!

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• USB 3.0 port with USB 3.0 device in Ubuntu 12.10

  - by fernando garcía

  When I try to connect a USB 3.0 device in Ubuntu 12.10 (ASUS K55VD, kernel 3.5.0-19-generic #30-Ubuntu SMP), the system says [ 74.747832] hub 3-0:1.0: unable to enumerate USB device on port 1 [ 74.931957] usb 4-1: new SuperSpeed USB device number 2 using xhci_hcd [ 74.949390] usb 4-1: New USB device found, idVendor=05e3, idProduct=0731 [ 74.949396] usb 4-1: New USB device strings: Mfr=0, Product=1, SerialNumber=2 [ 74.949400] usb 4-1: Product: USB Storage [ 74.949403] usb 4-1: SerialNumber: 0000000000000033 [ 75.033327] usbcore: registered new interface driver uas [ 75.038548] Initializing USB Mass Storage driver... [ 75.038651] scsi7 : usb-storage 4-1:1.0 [ 75.038700] usbcore: registered new interface driver usb-storage [ 75.038701] USB Mass Storage support registered. but it does not recognize the device, and the disks applications (gparted, nautilus) act as if nothing had been connected. I have checked other questions, but either they have no answers or they told about previous Ubuntu version with 3.0.x kernels. A USB 2.0 device will work in the USB 3.0 ports. A USB 3.0 device will work (at USB 2.0 speeds) in the USB 2.0 ports. The problem, as I wrote, is between USB 3.0 devices and USB 3.0 ports. I have my USB 3.0 ports configured without legacy support via the BIOS (the way they should be, I suppose). But I also have tried to configure them with XHCI Preboot mode disabled. Have any one solved a similar problem? Thanks in advance.

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• Unable to view USB stick/drive contents

  - by Harshit Sachdeva

  So, I plug-in my USB stick, copy a file from the hard drive to the USB stick, and safely remove the USB stick. I then plug out the USB stick. When I plug the USB stick back into the computer again, the previous contents of the USB stick are all gone. It shows an empty drive. I am using Windows XP SP 2 with an 8 GB USB stick from Transcend.

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• Problems with making a bootable USB Drive on a Mac

  - by Jason

  I am following this http://www.ubuntu.com/download/help/create-a-usb-stick-on-mac-osx to create a Bootable USB Drive for me Mac and this is the output I get on step 8. new-host:~ Jason$ sudo dd if=/Users/Jason/Desktop/ubuntu-12.04-desktop-amd64.dmg of=/dev/rdisk1s2 bs=1m dd: /dev/rdisk1s2: Invalid argument 691+1 records in 691+0 records out 724566016 bytes transferred in 164.544659 secs (4403461 bytes/sec) What should I do?

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• Creating a shortcut to a program on thumb drive without drive letter

  - by Seth Spearman

  Is there a way to create a shortcut to an EXE on a USB thumb drive that will work no matter what drive letter is assigned to the thumb drive? I have a program in a folder on a thumb drive. I want to create a shortcut in the root of the thumb drive that points to the program's EXE and will work no matter what drive letter is assigned to the thumb drive. How can I do this?

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• mount old ATA disk to USB adapter

  - by 213441265152351

  I am trying to recover data from an old Linux that was installed in a computer on an ATA hard drive. I found a ScanLogic USB-IDE, an ATA adapter to USB 1.0 similar to the one in the picture: and after switching it on, I plugged it into a laptop with Ubuntu 12.04. I am used to the drives being automatically mounted, but this one doesn't show up in /media. After doing a dmesg, all I got is this: [215298.671924] usb 2-1.1: new full-speed USB device number 5 using ehci_hcd [215298.767330] scsi19 : usb-storage 2-1.1:1.0 [215299.841701] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd [215300.017258] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd [215300.197050] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd [215300.372730] usb 2-1.1: reset full-speed USB device number 5 using ehci_hcd I tried plugging in the adapter to the three different USB ports in my laptop (one of them USB 3.0), but got no luck with any of them. Any ideas?

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• problem with wireless usb keyboard

  - by Sasha

  I have a problem with wireless keyboard. Problem is: On log, kern.log, messages and syslog is only this line. Every second is 50 lines with such message. Oct 1 08:14:12 wwserver kernel: [ 1447.978908] usb 7-1.3: input irq status -75 received Because these messages is disk full. For this I have to delete log files. Please for help. kern.log file: Oct 1 08:13:53 wwserver kernel: [ 1428.820057] usb 7-1: new full speed USB device using uhci_hcd and address 3 Oct 1 08:13:53 wwserver kernel: [ 1428.977383] usb 7-1: configuration #1 chosen from 1 choice Oct 1 08:13:53 wwserver kernel: [ 1428.980919] hub 7-1:1.0: USB hub found Oct 1 08:13:53 wwserver kernel: [ 1428.982288] hub 7-1:1.0: 4 ports detected Oct 1 08:13:53 wwserver kernel: [ 1429.261317] usb 7-1.3: new full speed USB device using uhci_hcd and address 4 Oct 1 08:13:58 wwserver kernel: [ 1434.408160] usb 7-1.3: configuration #1 chosen from 1 choice Oct 1 08:13:59 wwserver kernel: [ 1434.421484] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.3/7-1.3:1.0/input/input5 Oct 1 08:13:59 wwserver kernel: [ 1434.421585] generic-usb 0003:046D:C52B.0002: input,hidraw1: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input0 Oct 1 08:13:59 wwserver kernel: [ 1434.433751] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.3/7-1.3:1.1/input/input6 Oct 1 08:13:59 wwserver kernel: [ 1434.433933] generic-usb 0003:046D:C52B.0003: input,hiddev96,hidraw2: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input1 Oct 1 08:13:59 wwserver kernel: [ 1434.450210] generic-usb 0003:046D:C52B.0004: hiddev97,hidraw3: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input2 Oct 1 08:13:59 wwserver kernel: [ 1434.455416] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.3/7-1.3:1.3/input/input7 Oct 1 08:13:59 wwserver kernel: [ 1434.455545] generic-usb 0003:046D:C52B.0005: input,hidraw4: USB HID v1.10 Mouse [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input3 Oct 1 08:14:12 wwserver kernel: [ 1447.964916] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.966907] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.968906] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.970908] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.972907] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.974907] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.976908] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.978908] usb 7-1.3: input irq status -75 received

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• External USB hard-drive changing drive letter

  - by Sydius

  I have a Seagate FreeAgent Go external USB hard drive that was mounted but mysteriously decided to reconnect itself: Sep 30 15:07:06 feinman kernel: [243901.551604] usb 1-1.2: USB disconnect, device number 3 Sep 30 15:07:06 feinman kernel: [243901.553828] sd 6:0:0:0: [sdb] Synchronizing SCSI cache Sep 30 15:07:06 feinman kernel: [243901.553893] sd 6:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK Sep 30 15:07:10 feinman kernel: [243905.336557] usb 1-1.2: new high-speed USB device number 4 using ehci_hcd Sep 30 15:07:10 feinman kernel: [243905.431219] scsi7 : usb-storage 1-1.2:1.0 Sep 30 15:07:11 feinman kernel: [243906.427207] scsi 7:0:0:0: Direct-Access Seagate FreeAgent Go 0148 PQ: 0 ANSI: 4 Sep 30 15:07:11 feinman kernel: [243906.428303] sd 7:0:0:0: Attached scsi generic sg1 type 0 Sep 30 15:07:11 feinman kernel: [243906.430317] sd 7:0:0:0: [sdc] 625142447 512-byte logical blocks: (320 GB/298 GiB) Sep 30 15:07:11 feinman kernel: [243906.430860] sd 7:0:0:0: [sdc] Write Protect is off Sep 30 15:07:11 feinman kernel: [243906.430865] sd 7:0:0:0: [sdc] Mode Sense: 1c 00 00 00 Sep 30 15:07:11 feinman kernel: [243906.431386] sd 7:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Sep 30 15:07:11 feinman kernel: [243906.493674] sdc: sdc1 Sep 30 15:07:11 feinman kernel: [243906.496109] sd 7:0:0:0: [sdc] Attached SCSI disk It changed from sdb to sdc, causing a number of problems for me. What can I do to further track down the cause? I thought it might be a problem with it sleeping but when I cat /sys/class/scsi_disk/6\:0\:0\:0/allow_restart, I see that it's already 1.

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• Does not recognize usb sticks and drives

  - by Peter

  When connecting any usb stick to my thinkpad ubuntu 10.10 does not recognize them. I don't see anything on the desktop. the output of "dmesg | tail -n10" gives me: [ 1965.696388] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1965.884537] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.072503] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.260349] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.506227] usb 1-1: new high speed USB device using ehci_hcd and address 9 [ 1966.572375] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.760379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.948358] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.136335] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.325423] hub 1-0:1.0: unable to enumerate USB device on port 1 When connecting my usb scanner to the same port: [ 2008.480135] usb 1-1: new high speed USB device using ehci_hcd and address 65 [ 2008.548389] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.736786] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.924379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.112348] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.300443] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.488536] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.732180] usb 1-1: new high speed USB device using ehci_hcd and address 71 [ 2014.796299] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2018.000128] usb 2-1: new full speed USB device using uhci_hcd and address 3 And ubuntu 10.10 recognizes that scanner. So: What can i do to see my usb stick? BTW: on my other Thinkpad running fedora 14 it works perfectly... Cheers -Peter

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• ubuntu 10.10 does not recognize usb sticks and drives

  - by Peter

  When connecting any usb stick to my thinkpad ubuntu 10.10 does not recognize them. I don't see anything on the desktop. the output of "dmesg | tail -n10" gives me: [ 1965.696388] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1965.884537] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.072503] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.260349] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.506227] usb 1-1: new high speed USB device using ehci_hcd and address 9 [ 1966.572375] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.760379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1966.948358] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.136335] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 1967.325423] hub 1-0:1.0: unable to enumerate USB device on port 1 When connecting my usb scanner to the same port: [ 2008.480135] usb 1-1: new high speed USB device using ehci_hcd and address 65 [ 2008.548389] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.736786] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2008.924379] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.112348] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.300443] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.488536] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2009.732180] usb 1-1: new high speed USB device using ehci_hcd and address 71 [ 2014.796299] hub 1-0:1.0: unable to enumerate USB device on port 1 [ 2018.000128] usb 2-1: new full speed USB device using uhci_hcd and address 3 And ubuntu 10.10 recognizes that scanner. So: What can i do to see my usb stick? BTW: on my other Thinkpad running fedora 14 it works perfectly... Cheers -Peter

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• Universal Pen Drive Linux Will Not Burn IOS Ubuntu 13.10 To USB [duplicate]

  - by Nick

  This question already has an answer here: How to create a bootable USB stick? 4 answers Universal Pen Drive Linux will not let me burn the iso to my usb. Whenever I attempt it it says 'can not open file 'E:*where I put my downloads*\ubuntu-13.10-desktop-amd64.iso' as archive'. Any help please. I just want to move to ubuntu and hopefully never have to use windows again :D Please help me and walk me through this process.

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• Force usb to use same device id, instead of new one

  - by m s kumar

  I am having some trouble in automating the task. I am testing some android based mobiles in linux machine. The automation script uses the device id under "/dev/bus/usb/001/"053" it will be always under bus 001 only.. But the dev is will be random like if i insert one mobile then the dev id will be 053, if remove and insert it again then the dev id will be 054.. The problem is, when some tests runs on the device and if device gets rebooted then new dev id is showing for the rebooted one and my scripts failing due to new dev id.. Is there any way to force usb devices to use same dev id instead of new one. So that there will be no issues to my tests even after device reboots. Thanks in advance.

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• Why is my external USB hard drive sometimes completely inaccessible?

  - by Eliah Kagan

  I have an external USB hard drive, consisting of an 1 TB SATA drive in a Rosewill RX35-AT-SU SLV Aluminum 3.5" Silver USB 2.0 External Enclosure, plugged into my SONY VAIO VGN-NS310F laptop. It is plugged directly into the computer (not through a hub). The drive inside the enclosure is a 7200 rpm Western Digital, but I don't remember the exact model. I can remove the drive from the enclosure (again), if people think it's necessary to know that detail. The drive is formatted ext4. I mount it dynamically with udisks on my Lubuntu 11.10 system, usually automatically via PCManFM. (I have had Lubuntu 12.04 on this machine, and experienced all this same behavior with that too.) Every once in a while--once or twice a day--it becomes inaccessible, and difficult to unmount. Attempting to unmount it with sudo umount ... gives an error message saying the drive is in use and suggesting fuser and lsof to find out what is using it. Killing processes found to be using the drive with fuser and lsof is sometimes sufficient to let me unmount it, but usually isn't. Once the drive is unmounted or the machine is rebooted, the drive will not mount. Plugging in the drive and turning it on registers nothing on the computer. dmesg is unchanged. The drive's access light usually blinks vigorously, as though the drive is being accessed constantly. Then eventually, after I keep the drive off for a while (half an hour), I am able to mount it again. While the drive doesn't work on this machine for a while, it will work immediately on another machine running the same version of Ubuntu. Sometimes bringing it back over from the other machine seems to "fix" it. Sometimes it doesn't. The drive doesn't always stop being accessible while mounted, before becoming unmountable. Sometimes it works fine, I turn off the computer, I turn the computer back on, and I cannot mount the drive. Currently this is the only drive with which I have this problem, but I've had problems that I think are the same as this, with different drives, on different Ubuntu machines. This laptop has another external USB drive plugged into it regularly, which doesn't have this problem. Unplugging that drive before plugging in the "problem" drive doesn't fix the problem. I've opened the drive up and made sure the connections were tight in the past, and that didn't seem to help (any more than waiting the same amount of time that it took to open and close the drive, before attempting to remount it). Does anyone have any ideas about what could be causing this, what troubleshooting steps I should perform, and/or how I could fix this problem altogether? Update: I tried replacing the USB data cable (from the enclosure to the laptop), as Merlin suggested. I should've tried that long ago, since it fits the symptoms perfectly (the drive works on another machine, which would make sense because the cable would be bent at a different angle, possibly completing a circuit of frayed wires). Unfortunately, though, this did not help--I have the same problem with the new cable. I'll try to provide additional detailed information about the drive inside the enclosure, next time I'm able to get the drive working. (At the moment I don't have another machine available to attach it.) Major Update (28 June 2012) The drive seems to have deteriorated considerably. I think this is so, because I've attached it to another machine and gotten lots of errors about invalid characters, when copying files from it. I am less interested in recovering data from the drive than I am in figuring out what is wrong with it. I specifically want to figure out if the problem is the drive or the enclosure. Now, when I plug the drive into the original machine where I was having the problems, it still doesn't appear (including with sudo fdisk -l), but it is recognized by the kernel and messages are added to dmesg. Most of the message consist of errors like this, repeated many times: [ 7.707593] sd 5:0:0:0: [sdc] Unhandled sense code [ 7.707599] sd 5:0:0:0: [sdc] Result: hostbyte=invalid driverbyte=DRIVER_SENSE [ 7.707606] sd 5:0:0:0: [sdc] Sense Key : Medium Error [current] [ 7.707614] sd 5:0:0:0: [sdc] Add. Sense: Unrecovered read error [ 7.707621] sd 5:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00 [ 7.707636] end_request: critical target error, dev sdc, sector 0 [ 7.707641] Buffer I/O error on device sdc, logical block 0 Here are all the lines from dmesg starting with when the drive is recognized. Please note that: I'm back to running Lubuntu 12.04 on this machine (and perhaps that's a factor in better error messages). Now that the drive has been plugged into another machine and back into this one, and also now that this machine is back to running 12.04, the drive's access light doesn't blink as I had described. Looking at the drive, it would appear as though it is working normally, with low or no access. This behavior (the errors) occurs when rebooting the machine with the drive plugged in, and also when manually plugging in the drive. A few of the messages are about /dev/sdb. That drive is working fine. The bad drive is /dev/sdc. I just didn't want to edit anything out from the middle.

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• Bootable USB drive won't run installation

  - by Edgar

  I am having issues installing 12.10 on a laptop from bootable USB Drive 4GB FAT32. Also I changed order on BIOS to boot from USB. But only I see is the black screen with SYSLINUX 4.06 EDD 4.06-pre7 Copyright (C) 1994-2012 H. Peter Anvin et al _ I tried to install 12.10 into my older laptop using the same bootable USB drive just to be sure, and it's all works fine! I have also trying different USB drives, but results were the same. So it looks like there is nothing wrong with my bootable USB drives. Something is wrong with my laptop, but I can't figure out what exactly, because it's very new and Windows7 boots and runs just great. I Googled but found nothing useful. My laptop is really a small one: Acer AOD270 Protcessor: Intel(R) Atom(TM) CPU N26OO 1.60 GHz RAM: 1 GB Windows 7 Starter 32 bit It has no CD drive Any help would be really appreciated please.

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