usb stick, can't mount

Geoffrey Leach geoff at hughes.net
Fri May 11 23:57:46 UTC 2007


On 05/11/07 05:37:50, Gene Heskett wrote:
> On Thursday 10 May 2007, Michael Wiktowy wrote:
> >On 5/10/07, Gene Heskett <gene.heskett at verizon.net> wrote:
> >> Greetings all;
> >>
> >> I just mounted, as a vfat filesystem, a 64meg usb key/stick, wrote
> one
> >> file to it on a debian/kubuntu 6.06 LTS system, unmounted it and
> and
> >> brought it in here and plugged it into the FC6 box, on a usb1.1 hub
> also,
> >> but I cannot mount it.
> >>
> >> usb_storage is loaded according to lsmod.  Here is the stanza from
> the log
> >> when I plug it in:
> >>
> >> May 10 13:24:42 coyote kernel: scsi2 : SCSI emulation for USB Mass
> Storage
> >> devices May 10 13:24:47 coyote kernel: scsi 2:0:0:0: Direct-Access
> 
> >> Staples                   0.00 PQ: 0 ANSI: 2 May 10 13:24:47 coyote
> >> kernel: scsi 2:0:0:0: Attached scsi generic sg4 type 0 May 10
> 13:29:03
> >> coyote kernel: usb 2-2.1: USB disconnect, address 4 May 10 13:29:05
> coyote
> >> kernel: usb 2-2.2: new full speed USB device using ohci_hcd and
> address 5
> >> May 10 13:29:05 coyote kernel: usb 2-2.2: not running at top speed;
> >> connect to a high speed hub May 10 13:29:05 coyote kernel: usb
> 2-2.2:
> >> configuration #1 chosen from 1 choice May 10 13:29:05 coyote
> kernel: scsi3
> >> : SCSI emulation for USB Mass Storage devices May 10 13:29:10
> coyote
> >> kernel: scsi 3:0:0:0: Direct-Access     Staples
> 0.00 PQ:
> >> 0 ANSI: 2 May 10 13:29:10 coyote kernel: scsi 3:0:0:0: Attached
> scsi
> >> generic sg4 type 0
> >>
> >> And of course sg4 is assumed to be the loader robot for the 5th
> robotic
> >> scsi tape drive the last I knew.
> >>
> >> Shouldn't it be available as /dev/sda1?  It always has been before,
> quite
> >> a few times.
> >>
> >> Kernel is 2.6.21.1-cfs-v10
> >
> >It could be the hardware (the combo of the usb drive and usb
> >controller) just not scaling back to usb 1.1 properly through noisy
> >lines.
> >
> >I have had similar things happen when using the USB ports on the
> front
> >of my machine (that connect through a long wire that runs by
> >hard-drives and power supplies, etc to get there). Plugging directly
> >into the usb ports on the back of the machine helped in my situation.
> >Maybe it will work for you if you try a different port or skip the
> hub
> >completely.
> >
> >/Mike
> 
> Almost offtopic Mike, I don't have any audio ports in that front panel
> hub.
> 
> What I did find was the sd_mod wasn't, because it was builtin.
> Rebuilding a
> new kernel with sd_mod as a module, and while it set it up as sde (I
> have NDI
> where abcd went), its now mounted and readable.
> 
> Is that considered a kernal bug?  Damnifiknow.
> 

Is the device being mounted by HAL? If so, check /etc/fstab. If the  
device appears there, that may be your problem.  Try commenting it out.




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