On Thu, Jul 22, 2004 at 02:01:24PM -0400, Alan Stern wrote:
> To get more information, turn on the usb-storage debugging option in your 
> kernel's configuration.  The additional information in the system log will 
> give a better idea of what's going on.  (It's also possible that the extra 
> time delay caused by the debugging code will prevent the device from 
> failing at all.)

Fortunately, logging didn't influence the process so that the error
could be reproduced with logging enabled.

Jul 23 13:07:07 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:07 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:07 lefler kernel: usb-storage:  28 00 01 1e 00 a0 00 00 80 00
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c777 L 
65536 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:07 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:07 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:07 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:07 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 65536 
bytes, 16 entries
Jul 23 13:07:07 lefler kernel: usb-storage: Status code 0; transferred 65536/65536
Jul 23 13:07:07 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk data transfer result 0x0
Jul 23 13:07:07 lefler kernel: usb-storage: Attempting to get CSW...
Jul 23 13:07:07 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes
Jul 23 13:07:07 lefler kernel: usb-storage: Status code 0; transferred 13/13
Jul 23 13:07:07 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk status result = 0
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk Status S 0x53425355 T 0x4c777 R 0 
Stat 0x0
Jul 23 13:07:07 lefler kernel: usb-storage: scsi cmd done, result=0x0
Jul 23 13:07:07 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:07 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:07 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:07 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:07 lefler kernel: usb-storage:  28 00 01 1e 01 20 00 00 80 00
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c778 L 
65536 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:07 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:07 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:07 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:07 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 65536 
bytes, 16 entries
Jul 23 13:07:07 lefler kernel: usb-storage: Status code -71; transferred 34304/65536
Jul 23 13:07:07 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:07 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:07 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:07 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:07 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0

This was the first error

Jul 23 13:07:13 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:13 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:13 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:13 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:13 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:13 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:13 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:13 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:13 lefler kernel: usb-storage:  28 00 01 1e 01 20 00 00 80 00
Jul 23 13:07:13 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c779 L 
65536 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:13 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:13 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:13 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 65536 
bytes, 16 entries
Jul 23 13:07:13 lefler kernel: usb-storage: Status code -71; transferred 34304/65536
Jul 23 13:07:13 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:13 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:13 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:13 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0
Jul 23 13:07:19 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:19 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:19 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:19 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:19 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:19 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:19 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:19 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:19 lefler kernel: usb-storage:  28 00 01 1e 01 20 00 00 80 00
Jul 23 13:07:19 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c77a L 
65536 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:19 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:19 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:19 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 65536 
bytes, 16 entries
Jul 23 13:07:19 lefler kernel: usb-storage: Status code -71; transferred 34304/65536
Jul 23 13:07:19 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:19 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:19 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:19 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0
Jul 23 13:07:26 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:26 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:26 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:26 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:26 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:26 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:26 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:26 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:26 lefler kernel: usb-storage:  28 00 01 1e 01 20 00 00 80 00
Jul 23 13:07:26 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c77b L 
65536 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:26 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:26 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:26 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 65536 
bytes, 16 entries
Jul 23 13:07:26 lefler kernel: usb-storage: Status code -71; transferred 34304/65536
Jul 23 13:07:26 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:26 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:26 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:26 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0
Jul 23 13:07:32 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:32 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:32 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:32 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:32 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:32 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:32 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:32 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:32 lefler kernel: usb-storage:  28 00 01 1e 01 20 00 00 80 00
Jul 23 13:07:32 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c77c L 
65536 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:32 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:32 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:32 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 65536 
bytes, 16 entries
Jul 23 13:07:32 lefler kernel: usb-storage: Status code -71; transferred 34304/65536
Jul 23 13:07:32 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:32 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:32 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:32 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0
Jul 23 13:07:38 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:38 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:38 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:38 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:38 lefler kernel: usb-storage: *** thread sleeping.

Looks like the stack retried a couple of times, and then decided to
drop the request and to deliver an error to the upper layers.

Jul 23 13:07:38 lefler kernel: SCSI error : <0 0 0 0> return code = 0x70000
Jul 23 13:07:38 lefler kernel: end_request: I/O error, dev sda, sector 18743584
Jul 23 13:07:38 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:38 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:38 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:38 lefler kernel: usb-storage:  28 00 01 1e 01 28 00 00 78 00
Jul 23 13:07:38 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c77d L 
61440 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:38 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:38 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:38 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 61440 
bytes, 15 entries
Jul 23 13:07:38 lefler kernel: usb-storage: Status code -71; transferred 30208/61440
Jul 23 13:07:38 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:38 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:38 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:38 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0
Jul 23 13:07:44 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:44 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:44 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:44 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:44 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:44 lefler kernel: SCSI error : <0 0 0 0> return code = 0x70000
Jul 23 13:07:44 lefler kernel: end_request: I/O error, dev sda, sector 18743592
Jul 23 13:07:44 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:44 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:44 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:44 lefler kernel: usb-storage:  28 00 01 1e 01 30 00 00 70 00
Jul 23 13:07:44 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c77e L 
57344 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:44 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:44 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:44 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 57344 
bytes, 14 entries
Jul 23 13:07:44 lefler kernel: usb-storage: Status code -71; transferred 26112/57344
Jul 23 13:07:44 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:44 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:44 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:44 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0
Jul 23 13:07:50 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:50 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:50 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:50 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:50 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:50 lefler kernel: SCSI error : <0 0 0 0> return code = 0x70000
Jul 23 13:07:50 lefler kernel: end_request: I/O error, dev sda, sector 18743600
Jul 23 13:07:50 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:50 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:50 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:50 lefler kernel: usb-storage:  28 00 01 1e 01 38 00 00 68 00
Jul 23 13:07:50 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c77f L 
53248 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:50 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:50 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:50 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 53248 
bytes, 13 entries
Jul 23 13:07:50 lefler kernel: usb-storage: Status code -71; transferred 22016/53248
Jul 23 13:07:50 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:50 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:50 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:50 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0
Jul 23 13:07:56 lefler kernel: usb-storage: Soft reset: clearing bulk-in endpoint halt
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=88 len=0
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:56 lefler kernel: usb-storage: Soft reset: clearing bulk-out endpoint halt
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_control_msg: rq=01 rqtype=02 
value=0000 index=02 len=0
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_clear_halt: result = 0
Jul 23 13:07:56 lefler kernel: usb-storage: Soft reset done
Jul 23 13:07:56 lefler kernel: usb-storage: scsi cmd done, result=0x70000
Jul 23 13:07:56 lefler kernel: usb-storage: *** thread sleeping.
Jul 23 13:07:56 lefler kernel: SCSI error : <0 0 0 0> return code = 0x70000
Jul 23 13:07:56 lefler kernel: end_request: I/O error, dev sda, sector 18743608
Jul 23 13:07:56 lefler kernel: usb-storage: queuecommand called
Jul 23 13:07:56 lefler kernel: usb-storage: *** thread awakened.
Jul 23 13:07:56 lefler kernel: usb-storage: Command READ_10 (10 bytes)
Jul 23 13:07:56 lefler kernel: usb-storage:  28 00 01 1e 01 40 00 00 60 00
Jul 23 13:07:56 lefler kernel: usb-storage: Bulk Command S 0x43425355 T 0x4c780 L 
49152 F 128 Trg 0 LUN 0 CL 10
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes
Jul 23 13:07:56 lefler kernel: usb-storage: Status code 0; transferred 31/31
Jul 23 13:07:56 lefler kernel: usb-storage: -- transfer complete
Jul 23 13:07:56 lefler kernel: usb-storage: Bulk command transfer result=0
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 49152 
bytes, 12 entries
Jul 23 13:07:56 lefler kernel: usb-storage: Status code -71; transferred 17920/49152
Jul 23 13:07:56 lefler kernel: usb-storage: -- unknown error
Jul 23 13:07:56 lefler kernel: usb-storage: Bulk data transfer result 0x4
Jul 23 13:07:56 lefler kernel: usb-storage: -- transport indicates error, resetting
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_Bulk_reset called
Jul 23 13:07:56 lefler kernel: usb-storage: usb_stor_control_msg: rq=ff rqtype=21 
value=0000 index=00 len=0

Does this help.

Greetings
Marc

-- 
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Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
Karlsruhe, Germany |  lose things."    Winona Ryder | Fon: *49 721 966 32 15
Nordisch by Nature |  How to make an American Quilt | Fax: *49 721 966 31 29


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