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SubjectRe: problem with sbp2 / ieee1394 in kernel 2.6.3
Bob Gill, Mon Mar 15 2004 - 22:10:19 EST:

> There were a lot of changes to ieee1394 between 2.6.3 and 2.6.4, and
> haven't seen sbp2 fail since (two or three patches) before
> 2.6.4. Try the 2.6.4 kernel (or newer) and see if that helps.

I just compiled 2.6.4. It fails just the same as in 2.4.x and 2.6.3,
but this time I got a message I hadn't noticed before - the first
line, the "unsolicited response" message is new to me:

Mar 19 07:48:10 chrislap kernel: ieee1394: unsolicited response packet received - no tlabel match
Mar 19 07:48:51 chrislap kernel: ieee1394: sbp2: aborting sbp2 command
Mar 19 07:48:51 chrislap kernel: Read (10) 00 06 b5 82 bf 00 00 f8 00
Mar 19 07:49:01 chrislap kernel: ieee1394: sbp2: aborting sbp2 command
Mar 19 07:49:01 chrislap kernel: Test Unit Ready 00 00 00 00 00
Mar 19 07:49:01 chrislap kernel: ieee1394: sbp2: aborting sbp2 command
Mar 19 07:49:01 chrislap kernel: Read (10) 00 06 b5 83 b7 00 00 08 00
Mar 19 07:49:11 chrislap kernel: ieee1394: sbp2: aborting sbp2 command
Mar 19 07:49:11 chrislap kernel: Test Unit Ready 00 00 00 00 00
Mar 19 07:49:11 chrislap kernel: ieee1394: sbp2: reset requested
Mar 19 07:49:11 chrislap kernel: ieee1394: sbp2: Generating sbp2 fetch agent reset
Mar 19 07:49:21 chrislap kernel: ieee1394: sbp2: aborting sbp2 command
Mar 19 07:49:21 chrislap kernel: Test Unit Ready 00 00 00 00 00
Mar 19 07:49:21 chrislap kernel: ieee1394: sbp2: reset requested
Mar 19 07:49:21 chrislap kernel: ieee1394: sbp2: Generating sbp2 fetch agent reset
Mar 19 07:49:41 chrislap kernel: ieee1394: sbp2: aborting sbp2 command
Mar 19 07:49:41 chrislap kernel: Test Unit Ready 00 00 00 00 00
Mar 19 07:49:51 chrislap kernel: ieee1394: sbp2: aborting sbp2 command
Mar 19 07:49:51 chrislap kernel: Test Unit Ready 00 00 00 00 00
Mar 19 07:49:51 chrislap kernel: ieee1394: sbp2: reset requested
[...]

I umounted the drive - got some errors, but it umounted:

[root@chrislap firewire]# umount g
messages:Mar 19 07:55:12 chrislap kernel: scsi1 (1:0): rejecting I/O to offline device
messages:Mar 19 07:55:12 chrislap kernel: Buffer I/O error on device sda2, logical block 524
messages:Mar 19 07:55:12 chrislap kernel: lost page write due to I/O error on sda2
[root@chrislap firewire]#

but then modprobe hung:

[root@chrislap firewire]# modprobe -r -v sbp2
unloading the sbp2 module:
rmmod /lib/modules/2.6.4/kernel/drivers/ieee1394/sbp2.ko
^--note no root prompt came back

So what should I do next? Incidentally, I don't suppose it is of any
interest, but the drive has a USB 2 interface too. My PC doesn't
have a USB 2 port, but it does have USB 1. I've managed to read the
whole disk using the USB 1 interface (albeit VERY slowly). Perhaps
that's interesting...

Chris.
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