Re: usb stick, can't mount

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On Thursday 10 May 2007, Michael Wiktowy wrote:
>On 5/10/07, Gene Heskett <gene.heskett@xxxxxxxxxxx> 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.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Of all men's miseries, the bitterest is this:
to know so much and have control over nothing.
		-- Herodotus


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