[gentoo-user] Mounting a USB thumbdrive

[gentoo-user] Mounting a USB thumbdrive

[Daniel D Jones]

I'm trying to mount a USB thumbdrive.  After inserting the drive into the 
port, dmesg shows:

usb 1-3: new high speed USB device using ehci_hcd and address 4
ehci_hcd 0000:00:10.3: port 3 high speed
ehci_hcd 0000:00:10.3: GetStatus port 3 status 001005 POWER sig=se0 PE CONNECT
usb 1-3: default language 0x0409
usb 1-3: new device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-3: Product: USB2 ThumbDrive
usb 1-3: Manufacturer: Memorex
usb 1-3: SerialNumber: 21030416329805
usb 1-3: uevent
usb 1-3: device is bus-powered
usb 1-3: configuration #1 chosen from 1 choice
usb 1-3: adding 1-3:1.0 (config #1, interface 0)
usb 1-3:1.0: uevent
usb-storage 1-3:1.0: usb_probe_interface
usb-storage 1-3:1.0: usb_probe_interface - got id
scsi1 : SCSI emulation for USB Mass Storage devices
drivers/usb/core/inode.c: creating file '004'
usb-storage: device found at 4
usb-storage: waiting for device to settle before scanning
  Vendor: Memorex   Model: USB2 ThumbDrive   Rev: 2.00
  Type:   Direct-Access                      ANSI SCSI revision: 00
usb-storage: device scan complete


cat /proc/bus/usb/devices gives

...
T:  Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  4 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=0a16 ProdID=9903 Rev= 0.71
S:  Manufacturer=Memorex
S:  Product=USB2 ThumbDrive
S:  SerialNumber=21030416329805
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

mount shows:

usbfs on /proc/bus/usb type usbfs (rw,devmode=0664,devgid=85)

However:

root@Merlin:/ # ls -d /dev/s*
/dev/shm  /dev/stderr  /dev/stdin  /dev/stdout

There are no sd* devices under /dev to be mounted.  What am I missing?
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Re: [gentoo-user] Mounting a USB thumbdrive

[Richard Fish]

On 7/29/06, Daniel D Jones <ddjones@riddlemaster.org> wrote:
> usb-storage: waiting for device to settle before scanning
>   Vendor: Memorex   Model: USB2 ThumbDrive   Rev: 2.00
>   Type:   Direct-Access                      ANSI SCSI revision: 00
> usb-storage: device scan complete

<snip>

> There are no sd* devices under /dev to be mounted.  What am I missing?

SCSI disk support in your kerrnel? (CONFIG_BLK_DEV_SD).

You should see something like this in dmesg:

usb-storage: device found at 24
usb-storage: waiting for device to settle before scanning
  Vendor: Generic   Model: USB Flash Disk    Rev: 0.00
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sdb: 8192000 512-byte hdwr sectors (4194 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 00 00 00
sdb: assuming drive cache: write through
SCSI device sdb: 8192000 512-byte hdwr sectors (4194 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 00 00 00
sdb: assuming drive cache: write through
 sdb: sdb1 sdb2
sd 6:0:0:0: Attached scsi removable disk sdb
sd 6:0:0:0: Attached scsi generic sg2 type 0
usb-storage: device scan complete

HTH,
-Richard
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