Strange usb camera/card mounting problem

[Nigel Ridley]

golfer wrote:
> On 6/26/06, Nigel Ridley <nigel at rmk.co.il> wrote:
>> I have a usb camera and an HP psc 2410 photosmart all-in-one (with built
>> in card reader) and 3 SanDisk cards - a 16mb, 64mb and a 128mb.
>>
>> In the camera the all mount OK as sdc1 but in the HP all-in-one the
>> first two mount as sdb1 whilst the 128mb card makes an error and won't
>> mount at all.
>>
>> My fstab looks like this:
>>
>> proc            /proc           proc    defaults        0       0
>> /dev/sda1       /               reiserfs notail          0       1
>> /dev/sda8       /backup         reiserfs defaults        0       2
>> /dev/sda6       /home           reiserfs defaults        0       2
>> /dev/sda9       /spare          reiserfs defaults        0       2
>> /dev/sda7       /var            reiserfs defaults        0       2
>> /dev/sda5       none            swap    sw              0       0
>> /dev/hda        /media/cdrom0   udf,iso9660 user,noauto     0       0
>>
>>
>> Any help appreciated.
> 
> You may get some tips by monitorying your kernel messages when you
> plug / unplug the devices .. open a terminal and use "tail -f
> /var/log/messages" to see what's happening.  If you plug / unplug, and
> no message appears, then it's a kernel problem.  If the kernel
> messages show it's recognized, then it could be a rules problem in
> /etc/udev/rules.d/*, so search those files to see if you can find the
> problem.  If you post more info, maybe someone here can help, too.
> 
> regards,
> 

Here is the result of  after inserting (into the HP all-in-one) the card 
and removing the card:
nigel at nigels:~$ tail -f /var/log/messages
Jun 27 07:25:50 nigels kernel: [750722.378942] SCSI device sdb: 246016 
512-byte hdwr sectors (126 MB)
Jun 27 07:25:50 nigels kernel: [750722.385927] sdb: Write Protect is off
Jun 27 07:25:51 nigels kernel: [750722.396911] SCSI device sdb: 246016 
512-byte hdwr sectors (126 MB)
Jun 27 07:25:51 nigels kernel: [750722.403905] sdb: Write Protect is off
Jun 27 07:25:51 nigels kernel: [750722.404079]  sdb: sdb1
Jun 27 07:25:55 nigels kernel: [750726.697661] sd 18:0:0:0: SCSI error: 
return code = 0x8000002
Jun 27 07:25:55 nigels kernel: [750726.697666] sdb: Current: sense key: 
Medium Error
Jun 27 07:25:55 nigels kernel: [750726.697669]     Additional sense: 
Read error - loss of streaming
Jun 27 07:25:55 nigels kernel: [750726.697675] end_request: I/O error, 
dev sdb, sector 246010
Jun 27 07:25:55 nigels kernel: [750726.697679] printk: 515 messages 
suppressed.
Jun 27 07:25:59 nigels kernel: [750730.764801] sd 18:0:0:0: SCSI error: 
return code = 0x8000002
Jun 27 07:25:59 nigels kernel: [750730.764806] sdb: Current: sense key: 
Medium Error
Jun 27 07:25:59 nigels kernel: [750730.764810]     Additional sense: 
Read error - loss of streaming
Jun 27 07:25:59 nigels kernel: [750730.764816] end_request: I/O error, 
dev sdb, sector 246011
Jun 27 07:26:03 nigels kernel: [750734.828947] sd 18:0:0:0: SCSI error: 
return code = 0x8000002
Jun 27 07:26:03 nigels kernel: [750734.828952] sdb: Current: sense key: 
Medium Error
Jun 27 07:26:03 nigels kernel: [750734.828956]     Additional sense: 
Read error - loss of streaming
Jun 27 07:26:03 nigels kernel: [750734.828962] end_request: I/O error, 
dev sdb, sector 246012
Jun 27 07:26:04 nigels kernel: [750735.856209] sd 18:0:0:0: Device not 
ready.
Jun 27 07:26:04 nigels kernel: [750735.856214] end_request: I/O error, 
dev sdb, sector 246013
Jun 27 07:26:04 nigels kernel: [750735.883163] sd 18:0:0:0: Device not 
ready.
Jun 27 07:26:04 nigels kernel: [750735.883168] end_request: I/O error, 
dev sdb, sector 246010
Jun 27 07:26:04 nigels kernel: [750735.910115] sd 18:0:0:0: Device not 
ready.
Jun 27 07:26:04 nigels kernel: [750735.910119] end_request: I/O error, 
dev sdb, sector 246010
Jun 27 07:26:04 nigels kernel: [750735.938072] sd 18:0:0:0: Device not 
ready.
Jun 27 07:26:04 nigels kernel: [750735.938077] end_request: I/O error, 
dev sdb, sector 246010
Jun 27 07:26:04 nigels kernel: [750735.964022] sd 18:0:0:0: Device not 
ready.
Jun 27 07:26:04 nigels kernel: [750735.964027] end_request: I/O error, 
dev sdb, sector 246010

It looks like the HP all-in-one can't read it for some reason - yes/no?

Blessings,

Nigel

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