I also see this problem; for me it happens reproducibly when copying several gigabytes to a firewire HD with kernel-image-2.6.11-1-686-smp 2.6.11-5 (I've also reproduced it under kernel-image-2.6.8-2-686 2.6.8-16). The error messages I get when the error happens are:
Jun 6 21:12:12 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:12 localhost vmunix: Test Unit Ready 00 00 00 00 00 00 Jun 6 21:12:12 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:12 localhost vmunix: Write (10) 2a 00 03 89 2e cb 00 00 01 00 Jun 6 21:12:22 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:22 localhost vmunix: Test Unit Ready 00 00 00 00 00 00 Jun 6 21:12:22 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:22 localhost vmunix: Write (10) 2a 00 03 89 2e eb 00 00 01 00 Jun 6 21:12:42 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:42 localhost vmunix: Test Unit Ready 00 00 00 00 00 00 Jun 6 21:12:42 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:42 localhost vmunix: Write (10) 2a 00 03 89 2f 2b 00 00 01 00 Jun 6 21:12:52 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:52 localhost vmunix: Test Unit Ready 00 00 00 00 00 00 Jun 6 21:12:52 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:12:52 localhost vmunix: Write (10) 2a 00 03 89 2f 4b 00 00 01 00 Jun 6 21:13:02 localhost vmunix: borting sbp2 command Jun 6 21:13:02 localhost vmunix: Write (10) 2a 00 03 89 2f 6b 00 00 01 00 Jun 6 21:13:12 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:13:22 localhost vmunix: Test Unit R<3>ieee1394: sbp2: aborting sbp2 command Jun 6 21:13:22 localhost vmunix: Test Unit Ready 00 00 00 00 00 00 Jun 6 21:13:22 localhost vmunix: ieee1394: sbp2: reset requested Jun 6 21:13:22 localhost vmunix: ieee1394: sbp2: Generating sbp2 fetch agent reset Jun 6 21:13:32 localhost vmunix: t Ready 00 00 00 00 00 00 Jun 6 21:13:32 localhost vmunix: ieee1394: sbp2: reset requested ... snip ... Jun 6 21:16:32 localhost vmunix: ieee1394: sbp2: aborting sbp2 command Jun 6 21:16:32 localhost vmunix: Test Unit Ready 00 00 00 00 00 00 Jun 6 21:16:32 localhost vmunix: scsi: Device offlined - not ready after error recovery: host 2 channel 0 id 0 lun 0 Jun 6 21:16:32 localhost last message repeated 7 times Jun 6 21:16:32 localhost vmunix: SCSI error : <2 0 0 0> return code = 0x50000 Jun 6 21:16:32 localhost vmunix: end_request: I/O error, dev sdb, sector 59322027 Jun 6 21:16:32 localhost vmunix: Buffer I/O error on device sdb1, logical block 59321964 Jun 6 21:16:32 localhost vmunix: lost page write due to I/O error on sdb1 Jun 6 21:16:32 localhost vmunix: scsi2 (0:0): rejecting I/O to offline device Jun 6 21:16:32 localhost vmunix: Buffer I/O error on device sdb1, logical block 59322220 Jun 6 21:16:32 localhost vmunix: lost page write due to I/O error on sdb1 Jun 6 21:16:32 localhost vmunix: SCSI error : <2 0 0 0> return code = 0x50000 ... and so on. The same device works reliably when I connect it via its USB2 connector. This is the dmesg output from connecting the device (via firewire): Jun 6 20:12:45 localhost vmunix: ieee1394: Error parsing configrom for node 0-01:100-00:1023] GUID[0050770e900005cd] Jun 6 20:12:45 localhost vmunix: sbp2: $Rev: 1219 $ Ben Collins <[EMAIL PROTECTED]> Jun 6 20:12:46 localhost vmunix: ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048] Jun 6 20:12:46 localhost vmunix: Vendor: Maxtor 6 Model: B200P0 Rev: Jun 6 20:12:46 localhost vmunix: Type Jun 6 20:12:46 localhost vmunix: us0/target0/lun0: p1 Jun 6 20:12:46 localhost vmunix: Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0 The firewire controller is: 0000:01:03.0 FireWire (IEEE 1394): Lucent Microelectronics FW323 (rev 61) -- Andrew Moise <[EMAIL PROTECTED]> -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]