Hello,
Am 14.11.2009 11:06, schrieb Oliver Neukum:
You can recompile with CONFIG_USB_DEBUG and CONFIG_USB_STORAGE_DEBUG.
Here it comes. I've used 2.6.31.6 and turned usb-(storage-)debug on.
After mounting the two large encrypted files (loop and dmcrypt) from the
two connected usb-drives, I've started the rsync -n to compare both
partitions:
--------------------------------
Nov 14 13:03:41 krabat kernel: [ 164.474820] EXT4-fs (dm-1): mounted
filesystem with ordered data mode
Nov 14 13:04:38 krabat kernel: [ 220.963256] 3c da 00 00 10 00
...
(many lines with hex-numbers, nothing else)
...
Nov 14 14:18:49 krabat kernel: [ 4672.953175] 28 00 04 e8 3d da 00 00
10 00
Nov 14 14:18:49 krabat kernel: [ 4672.960345] 00 f0 00
Nov 14 14:18:49 krabat kernel: [ 4672.966138] 00
Nov 14 14:18:50 krabat kernel: [ 4673.071643] 00 04 e8 50 da 00 00 10
00
Nov 14 14:18:50 krabat kernel: [ 4673.077825] 00
Nov 14 14:18:50 krabat kernel: [ 4673.077833] 10 00
Nov 14 14:18:50 krabat kernel: [ 4673.336765] 00 f0 00
Nov 14 14:18:50 krabat kernel: [ 4673.342205] 28 00 05 3b 40 da 00 00
10 00
Nov 14 14:18:50 krabat kernel: [ 4673.342230] 00
Nov 14 14:18:50 krabat kernel: [ 4673.342235]
Nov 14 14:18:51 krabat kernel: [ 4674.647846] 28 00 05 3c 15 da 00 00
10 00
Nov 14 14:18:51 krabat kernel: [ 4674.822258]
Nov 14 14:18:51 krabat kernel: [ 4674.828338] 28 00 04 e9 6e ea 00 00
f0 00
Nov 14 14:18:57 krabat kernel: [ 4680.042678] 54 da 00 00 10 00
Nov 14 14:18:59 krabat kernel: [ 4682.646818] 00 05 e2 0c da 00 00 10
00
Nov 14 14:19:00 krabat kernel: [ 4683.516686] 00 f0 00
Nov 14 14:19:00 krabat kernel: [ 4683.522288] 28 00 05 e6 9f da 00 00
10 00
Nov 14 14:19:07 krabat kernel: [ 4690.760331]
Nov 14 14:19:39 krabat kernel: [ 4722.339214] usb 9-1: reset high speed
USB device using ehci_hcd and address 4
Nov 14 14:19:39 krabat kernel: [ 4722.591235] usb 9-7: reset high speed
USB device using ehci_hcd and address 3
Nov 14 14:19:44 krabat kernel: [ 4727.491664] usb 9-1: device firmware
changed
Nov 14 14:19:44 krabat kernel: [ 4727.491718] usb 9-1: USB disconnect,
address 4
Nov 14 14:19:44 krabat kernel: [ 4727.493060] scsi 7:0:0:0: Device
offlined - not ready after error recovery
Nov 14 14:19:44 krabat kernel: [ 4727.493069] scsi 7:0:0:0: [sdc]
Unhandled error code
Nov 14 14:19:44 krabat kernel: [ 4727.493072] scsi 7:0:0:0: [sdc]
Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
Nov 14 14:19:44 krabat kernel: [ 4727.493077] end_request: I/O error,
dev sdc, sector 317945322
Nov 14 14:19:44 krabat kernel: [ 4727.493091] scsi 7:0:0:0: rejecting
I/O to offline device
Nov 14 14:19:44 krabat kernel: [ 4727.493108] scsi 7:0:0:0: [sdc]
Unhandled error code
Nov 14 14:19:44 krabat kernel: [ 4727.493110] scsi 7:0:0:0: [sdc]
Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
Nov 14 14:19:44 krabat kernel: [ 4727.493114] end_request: I/O error,
dev sdc, sector 317945562
Nov 14 14:19:44 krabat kernel: [ 4727.615743] EXT4-fs error (device
dm-1): ext4_find_entry: reading directory #1771 offset 0
Nov 14 14:19:44 krabat kernel: [ 4727.616071] Buffer I/O error on device
dm-1, logical block 0
...
(many more io, buffer and ext4 errors)
...
--------------------------------
Regards,
Alexander
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