USB Flash Drive not Detected on 12.10 x64
- by Falguni Roy
My Mediatek usb flash drive is not get detected.
The o/p of lsusb
falguni@falguni-M61PME-S2P:~$ lsusb
Bus 002 Device 002: ID 0e8d:0003 MediaTek Inc.
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
and the o/p of usb-devices
falguni@falguni-M61PME-S2P:~$ usb-devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh=10
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev=03.05
S: Manufacturer=Linux 3.5.0-18-generic ehci_hcd
S: Product=EHCI Host Controller
S: SerialNumber=0000:00:02.1
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh=10
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0001 Rev=03.05
S: Manufacturer=Linux 3.5.0-18-generic ohci_hcd
S: Product=OHCI Host Controller
S: SerialNumber=0000:00:02.0
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
But in 12.04, the o/p of usb-devices was:
falguni@falguni-M61PME-S2P:~$ usb-devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh=10
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev=03.05
S: Manufacturer=Linux 3.5.0-18-generic ehci_hcd
S: Product=EHCI Host Controller
S: SerialNumber=0000:00:02.1
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh=10
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0001 Rev=03.05
S: Manufacturer=Linux 3.5.0-18-generic ohci_hcd
S: Product=OHCI Host Controller
S: SerialNumber=0000:00:02.0
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
T: Bus=02 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=02(commc) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=0e8d ProdID=0003 Rev=02.00
S: Manufacturer=MediaTek Inc
S: Product=MT6235
C: #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_acm
I: If#= 1 Alt= 0 #EPs= 1 Cls=02(commc) Sub=02 Prot=01 Driver=cdc_acm
It was working fine in 12.04.
Now after upgrading to 12.10 the problem started.
Where is the problem and how to solve it?