Re: usb flash drive problem - module problem?
What's the output of:
cat /proc/scsi/scsi
Is there anything in /var/log/syslog or /var/log/messages that suggests a
problem with the USB device?
----------------------------------------------------------------------
Andrew J Perrin - http://www.unc.edu/~aperrin
Assistant Professor of Sociology, U of North Carolina, Chapel Hill
clists@perrin.socsci.unc.edu * andrew_perrin (at) unc.edu
On Thu, 22 May 2003 Jerry_Bash@spectral-sys.com wrote:
> Hi,
> I have recently acquired a usb flash (pen) drive, and have been able to
> use it occasionally.
> I initially simply loaded the usb-storage module, plugged it in and
> mounted it successfully, and was able to read and write files.
>
> However, the next day I tried mounting it again, and was not able to.
> ('/dev/sda1 is not a block device' error). It seems that after some time
> (I haven't determined how much time), I am no longer able to mount the
> drive to access it. I am 'manually' mounting it (ie., not using hotplug)
> and would prefer to continue using in that manner, if possible.
>
> jlb@cello:~$ mount /mnt/flash
> mount: /dev/sda1 is not a valid block device
>
> I am not familiar with the how modules behave. Is it possible that a
> module required for usb access is unloaded? I have mounted and accessed
> this device, as well as another device (usb cdrom burner) successfully.
>
> If anyone can help, it would be much appreciated.
>
> Thanks
>
> I am using debian sid on a AMD Athlon machine. Details included below
> (kernel, fstab, modules loaded)
>
> jlb@cello:~$ uname -a
> Linux cello 2.4.20-1-k7 #1 Sat Mar 22 15:17:52 EST 2003 i686 GNU/Linux
>
> jlb@cello:~$ more /etc/fstab
> # /etc/fstab: static file system information.
> #
> # <file system> <mount point> <type> <options> <dump>
> <pass>
> /dev/hda2 / ext3 errors=remount-ro 0 1
> /dev/hda6 none swap sw 0 0
> proc /proc proc defaults 0 0
> /dev/fd0 /floppy auto user,noauto 0 0
> /dev/cdrom /cdrom iso9660 unhide,ro,user,noauto 0
> 0
> /dev/hda1 /boot ext3 defaults 0 2
> /dev/hda3 /var ext3 defaults 0 2
> /dev/hda5 /usr ext3 defaults 0 2
> /dev/hda7 /home ext3 defaults 0 2
> /dev/hda8 /data01 ext3 defaults 0 2
> /dev/sda1 /mnt/flash vfat user 0 0
>
> jlb@cello:~$ su
> Password:
> cello:/home/jlb# lsmod
> Module Size Used by Tainted: PF
> usb-storage 56956 0 (unused)
> floppy 45948 0 (autoclean)
> ide-cd 27364 0 (autoclean)
> cdrom 29280 0 (autoclean) [ide-cd]
> vmnet 18856 4
> parport_pc 21288 0
> parport 23296 0 [parport_pc]
> vmmon 23252 0
> snd-seq-midi 3424 0 (autoclean)
> snd-seq-oss 24288 0
> snd-seq-midi-event 2968 0 [snd-seq-midi snd-seq-oss]
> snd-seq 38096 2 [snd-seq-midi snd-seq-oss
> snd-seq-midi-event]
> snd-pcm-oss 37956 0
> snd-mixer-oss 11576 0 [snd-pcm-oss]
> snd-ens1371 11468 0
> snd-pcm 56288 0 [snd-pcm-oss snd-ens1371]
> snd-timer 14280 0 [snd-seq snd-pcm]
> snd-page-alloc 4208 0 [snd-pcm]
> gameport 1660 0 [snd-ens1371]
> snd-rawmidi 12416 0 [snd-seq-midi snd-ens1371]
> snd-seq-device 3940 0 [snd-seq-midi snd-seq-oss snd-seq
> snd-rawmidi]
> snd-ac97-codec 33288 0 [snd-ens1371]
> snd 29348 0 [snd-seq-midi snd-seq-oss
> snd-seq-midi-event snd-seq snd-pcm-oss snd-mixer-oss snd-ens1371 snd-pcm
> snd-timer snd-rawmidi snd-seq-device snd-ac97-codec]
> soundcore 3716 8 [snd]
> sd_mod 10860 0 (autoclean) (unused)
> scsi_mod 90248 1 (autoclean) [usb-storage sd_mod]
> vfat 9548 0 (autoclean)
> fat 30136 0 (autoclean) [vfat]
> 8139too 16200 1
> mii 2432 0 [8139too]
> keybdev 1696 0 (unused)
> usbkbd 2940 0 (unused)
> input 3392 0 [keybdev usbkbd]
> usb-uhci 21804 0 (unused)
> usbcore 56896 0 [usb-storage usbkbd usb-uhci]
> rtc 5980 0 (autoclean)
> ext3 58816 6 (autoclean)
> jbd 37544 6 (autoclean) [ext3]
> ide-disk 10176 7 (autoclean)
> ide-probe-mod 8880 0 (autoclean)
> ide-mod 154184 7 (autoclean) [ide-cd ide-disk
> ide-probe-mod]
> unix 14056 147 (autoclean)
>
>
> -------------------------------------------------------------------
> Jerry Bash
> Spectral Systems, Inc.
> Phone: (937) 281-1320
> -------------------------------------------------------------------
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