[Gllug] help with USB mass storage

[salsaman at xs4all.nl]

On Tue, February 10, 2009 15:11, Richard Huxton wrote:
> salsaman at xs4all.nl wrote:
>> so I figured the type is vfat. In fact this seems correct, as I can
>> mount
>> /dev/sdb -t vfat
>>
>> Once mounted I can see all of the directories and files on the disk.
>
> Most modern "desktop" linux distros will automatically spot and mount
> these sorts of things. Does yours spot USB pen-drives and the like?
>
>> The problem occurs when copying. For example copying the photos
>> directory:
>>
>> cp: reading `/media/star/image/record/ak000006.jpg': Input/output error
>>
>> I get a lot of errors like that and in fact the resulting jpegs are
>> truncated.
>
> Do you have any problems with USB pen-drives on this machine?
>
> Do you have another cable you can try (always worth checking imho)?
>
> How is the device identified if you run "lsusb" as root?
>
> --
>   Richard Huxton
>   Archonet Ltd
> --
> Gllug mailing list  -  Gllug at gllug.org.uk
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>
>


I think I have fixed it now. The last message in dmesg (see my other post)
gave the clue.

sudo modprobe -r ehci_hcd

then reconnecting allowed it to load in ohci mode, which now works.

Seems to be a bug in usb 2 support.


Salsaman.


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