On Thu, 07 Jan 2010 11:00:21 +0100, Olivier Ramare wrote:
> Camaleón a écrit :
>> 1/ Try plug in the device into another usb port of the board.
>>
> Ok, I have a second usb2 port for the printing machine. So I unplugged
> this one and plugged my archos machine there, to no avail.
>
> I plugged the printer to the usb-port I was using for the archos and it
> works (I even effectively printed a page).
>> 2/ Try with another usb cable.
>>
> I don't have any around.
>> 3/ Try to connect the device in another computer.
>>
> That's going to be hard, but I'll try in some hours.
>> And see how it behaves in each case.
>>
>> I would suspect the usb card/host controller going bad. How old is your
>> computer?
> About 6 years old I think.
> The usb port has been used very less and I even cleaned everything
> yesterday :)
USB ports are deep dependant (let's say "sensible") on power supply and
voltages. Is not uncommon that usb ports get very easily damaged by non-
filtered spikes and after blackouts if the computer is not properly
protected (i.e., if the user has no UPS unit).
------------------------------------------------------------------------------------------------------
> Additional element:
> In between it got recognized as (/etc/mtab)
> ---------------------------------------------- /dev/sdb /media/Archos3
> vfat
>
rw,nosuid,nodev,uhelper=devkit,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,flush
> 0 0
> ------------------------------------------------ I tried to copy a file:
> [ 3501.864011] usb 1-1: device descriptor read/64, error -71 [
> 3502.036311] usb 1-1: USB disconnect, address 10 [ 3502.036360] sd
> 4:0:0:0: [sdb] Unhandled error code [ 3502.036365] sd 4:0:0:0: [sdb]
> Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
> [ 3502.036372] end_request: I/O error, dev sdb, sector 316760 [...]
> [ 3502.037647] sd 4:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT
> driverbyte=DRIVER_OK
> [ 3502.037654] end_request: I/O error, dev sdb, sector 316952 [
> 3502.046704] VFS: busy inodes on changed media or resized disk sdb [
> 3502.050904] FAT: Directory bread(block 316688) failed [ 3502.050955]
> FAT: Directory bread(block 316689) failed [...]
> [ 3502.057225] FAT: FAT read failed (blocknr 340) [ 3502.066281] FAT:
> unable to read inode block for updating (i_pos 5067017)
> ------------------------------------------------------
You are still facing problems with the usb port ("disconnect" and "read
errors") which are definitively not good.
Another test you can try is by attaching another usb flash disk and check
the results (dmesg). A printer will hardy tell you how bad is your usb
port ;-)
Greetings,
--
Camaleón
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