USB drives not recognized all of a sudden
- by Siddharth
I have tried most of the advice on askubuntu and other sites, usb_storage enable to fdisk -l. But I am unable to find steps to get it working again.
lsusb results
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 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 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 004 Device 002: ID 413c:3012 Dell Computer Corp. Optical Wheel Mouse
Bus 005 Device 002: ID 413c:2105 Dell Computer Corp. Model L100 Keyboard
Bus 001 Device 005: ID 8564:1000
dmseg | tail reports
[ 69.567948] usb 1-4: USB disconnect, device number 4
[ 74.084041] usb 1-6: new high-speed USB device number 5 using ehci_hcd
[ 74.240484] Initializing USB Mass Storage driver...
[ 74.256033] scsi5 : usb-storage 1-6:1.0
[ 74.256145] usbcore: registered new interface driver usb-storage
[ 74.256147] USB Mass Storage support registered.
[ 74.257290] usbcore: deregistering interface driver usb-storage
fdisk -l reports
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 972656639 486327296 83 Linux
/dev/sda2 972658686 976771071 2056193 5 Extended
/dev/sda5 972658688 976771071 2056192 82 Linux swap / Solaris
I think I need steps to install and get usb_storage module working.
Edit :
I tried sudo modprobe -v usb-storage reports
sudo modprobe -v usb-storage
insmod /lib/modules/3.2.0-48-generic-pae/kernel/drivers/usb/storage/usb-storage.ko
Still no usb driver mounted. Nor does a device show up in /dev. Any step by step process to debug and fix this will be really helpful. Thanks.