Re: Bug in the sg driver

From: Dag Nygren
Date: Mon Oct 06 2003 - 14:13:30 EST



> | > Any details, like kernel version, oops or panic logs, etc.?
> |
> | Kernel version is 2.4.20 (Redhat 9.0 + newest upgrade)
> |
> | The oops and the panic logs were not written down as the major focus
> | was getting this (production) system up and running, sorry for that
>
> Well, unless someone happens to know something about your exact
> reported problem....
> in general, you will get better help/responses the better your
> problem reports are (IMHO).

Perfectly realize that. Found one report of the exact same problem
on Google. The URL is:

http://groups.google.fi/groups?q=hp_ltt+linux&hl=sv&lr=&ie=UTF-8&selm=zDJq.3O5.
11%40gated-at.bofh.it&rnum=1

The Oops trace for that is:
kernel BUG in header file at line 162
kernel BUG at panic.c:141!
invalid operand: 0000
CPU: 0
EIP: 0010:[__out_of_line_bug+15/36] Tainted: P
EFLAGS: 00010086
eax: 00000026 ebx: f7928a00 ecx: 00000002 edx: 02000000
esi: c3e8207c edi: f79ba1f0 ebp: f79ba1d8 esp: f6fabc68
ds: 0018 es: 0018 ss: 0018
Process hp_ltt (pid: 590, stackpage=f6fab000)
Stack: c026fa80 000000a2 c0202f38 000000a2 f7928a00 c3e8207c f79ba1c0 f79ba1d8
c02c2934 c0132070 00000000 00000000 ffffffff 00000000 0000000e 00000060
00000000 00000002 c0204831 c3e8207c f7928a00 f79ba1c0 0000005a 00000293
Call Trace: [mptscsih_AddSGE+200/832] [__alloc_pages+64/352]
[mptscsih_qcmd+621/1288] [scsi_dispatch_cmd+649/904] [scsi_old_done+0/1500]
[scsi_request_fn+826/892] [__scsi_insert_special+110/128]
[scsi_insert_special_req+26/32] [scsi_do_req+328/368]
[sg_common_write+587/604] [sg_cmd_done_bh+0/912] [sg_new_write+539/576]
[sg_ioctl+616/3004] [journal_dirty_metadata+356/396] [__alloc_pages+64/352]
[do_wp_page+112/668] [handle_mm_fault+135/184] [do_page_fault+380/1178]
[do_page_fault+0/1178] [sys_rt_sigaction+159/324] [sys_ioctl+685/746]
[error_code+52/60] [system_call+51/56]

Code: 0f 0b 8d 00 a6 fa 26 c0 eb fe 8d 74 26 00 8d bc 27 00 00 00

-- Dag

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