udev + kernel 2.6.8 + usb mass storage

From: JFL (jf_at_lalande.nom.fr)
Date: 01/08/05

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    To: debian-user@lists.debian.org
Date: Sat, 08 Jan 2005 18:39:16 +0100

    Hi,

    I have some troubles to mount any usb mass storage device using udev and
    kernel 2.6.8 (or 2.6.9).

    My device is quite well detected:

    usb 1-2: new high speed USB device using address 4
    scsi3 : SCSI emulation for USB Mass Storage devices
      Vendor: TOSHIBA Model: MK4004GAH Rev: JC00
      Type: Direct-Access ANSI SCSI revision: 02
    SCSI device sdc: 78126048 512-byte hdwr sectors (40001 MB)
    sdc: assuming drive cache: write through
     sdc: sdc1
    Attached scsi disk sdc at scsi3, channel 0, id 0, lun 0
    Attached scsi generic sg2 at scsi3, channel 0, id 0, lun 0, type 0
    USB Mass Storage device found at 4

    So I am sure that I have to mount /dev/sdc1.

    udev quite well detecte it:

    ls /dev/sdc*
    brw-rw---- 1 root disk 8, 32 Jan 8 18:31 /dev/sdc
    brw-rw---- 1 root disk 8, 33 Jan 8 18:31 /dev/sdc1

    It creates (or remove when I disconnect) /dev/sdc and /dev/sdc1. For
    customising that, I have to write rules, but the problem is that I fail
    to mount /dev/sdc1:

    mount /dev/sdc1 /mnt/pendrive
    mount: wrong fs type, bad option, bad superblock on /dev/sdc1,
           or too many mounted file systems

    or

    mount -t vfat /dev/sdc1 /mnt/pendrive
    mount: wrong fs type, bad option, bad superblock on /dev/sdc1,
           or too many mounted file systems

    So i checked my kernel parameters:
    - I have vfat in File Systems
    - I have the USB stuffs (and it works because I see it in dmesg)
    - I have no devfs support
    - I have scsi support (emulation and generic support) as adviced on may
    pages on internet

    I really do not know what to try. I suspect a bug in kernel 2.6.8, but
    it stills does not work in 2.6.9. In kernel 2.6.9 it detects the device
    in /dev/uba1, and it fails mounting it.

    Have you any idea about this ?

    JFL

    Some iformations on my config:
    - Debian testing
    - Kernel 2.6.8 (tested 2.6.9 too) compiled by hand
    - /sys, /proc well mounted
    - tmpfs ok
    - /etc/init.d/udev start works 

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