Hello list, Herbert!
> >
> > Aug 20 01:07:24 192.168.2.50 kernel: [42992885.040000] [<f895a9cc>]
> > __gnbd_send_req+0x196/0x28d [gnbd]
>
> Please talk to the GNBD people about this.
I know, you have right!
I get the same answer from linux-raid list.
But now I think I must ask you: Are you sure?
I use continually the debug-kernel, and now I get another strange bug!
Before your patch, I have used this system, with 2.6.13-rc3, and it was
"stable", except the assertion (cnt <= tp->packets_out) problem.
The only change on the system is the kernel upgrade from rc3 to rc6, and
your two patch. (fix+debug patch)
Originally I gets this assertion about 1-2 times / day with rc3.
Before your patch, I try one time the orig rc6, and the assertion comes 4
hours later.
But with your patch it looks like now I gets these strange messages INSTEAD
of kernel assertion...
Naturally I am not sure! It just looks like....
Additionally I will send these messages to GNBD-list too.
(If I ever found that list...)
Thanks
Janos
New message:
------------[ cut here ]------------
kernel BUG at mm/highmem.c:183!
invalid operand: 0000 [#1]
SMP
Modules linked in: netconsole gnbd
CPU: 0
EIP: 0060:[<c0151167>] Not tainted VLI
EFLAGS: 00010246 (2.6.13-rc6)
EIP is at kunmap_high+0x1f/0x93
eax: 00000000 ebx: c1c1a3a0 ecx: c0740e88 edx: 00000292
esi: 00001000 edi: 00000000 ebp: f6e81df8 esp: f6e81df0
ds: 007b es: 007b ss: 0068
Process md2_raid1 (pid: 2813, threadinfo=f6e80000 task=f7eba020)
Stack: c1c1a3a0 d3708c10 f6e81e00 c0118d66 f6e81e54 f895a9fd c1c1a3a0
00000001
d0990000 00001000 00004000 ebddff84 f6cb5d8c f895e620 d452f900
007ea037
01000000 f1c1d9ac f895e5f8 b9000000 00106937 00100000 f1c1d9ac
f895e5f8
Call Trace:
[<c0103ca2>] show_stack+0x9a/0xd0
[<c0103e6d>] show_registers+0x175/0x209
[<c010408c>] die+0xfa/0x17c
[<c010418c>] do_trap+0x7e/0xb2
[<c01044a8>] do_invalid_op+0xa9/0xb3
[<c01038d7>] error_code+0x4f/0x54
[<c0118d66>] kunmap+0x42/0x44
[<f895a9fd>] __gnbd_send_req+0x1c7/0x28d [gnbd]
[<f895af12>] do_gnbd_request+0xe5/0x198 [gnbd]
[<c0383a0d>] __generic_unplug_device+0x28/0x2e
[<c038150f>] __elv_add_request+0xaa/0xac
[<c0384e5b>] __make_request+0x20d/0x512
[<c0385490>] generic_make_request+0xb2/0x27a
[<c04748a2>] raid1d+0xbf/0x2cb
[<c04825c9>] md_thread+0x134/0x16f
[<c01010d5>] kernel_thread_helper+0x5/0xb
Code: e8 08 06 00 00 89 c7 e9 38 ff ff ff 55 89 e5 53 83 ec 04 89 c3 b8 80
6c 6c c0 e8 59 c3 40 00 89 1c 24 e8 e6 05 00 00 85 c0 75 08 <0f> 0b b7 00 0a
78 57 c0 05 00 00 40 00 c1 e8 0c 8b 14 85 20 dc
Fatal exception: panic in 5 seconds
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