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Subject2.4.1-ac10: Oooops in SCSI
Hi!

I've got an ooops today on a 2.4.1-ac10 running three bonnie++ in
parallel on the RAID-Array. The machine is a IBM Netfinity 7100-8666
with 2.5G RAM and 4 CPUs, the RAID-Controller is an IBM ServeRAID 4L using the
ips driver. All filesystems on this machine are ext2.


(ips0) Resetting controller. (several times)
Unable to handle kernel NULL pointer dereference at virtual address 00000178f889b9e3
*pde = 00000000
Oops: 0002
CPU: 3
EIP: 0010:[<f889b9e3>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010046
eax: 00000000 ebx: c02d5640 ecx: f720c6b8 edx: 00000000
esi: 00000002 edi: f720c6cc ebp: 00000000 esp: c3ab5da0
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=c3ab5000)
Stack: f720c6b8 f6dcce00 f720c678 f720c600 c3ab5dfc f6dd7c00 f720c6b8 f720c680
f6dcce00 3a8a6121 000d06e7 f889a564 f720c678 00000001 00000202 f78484d8
f6dd7c00 f720c600 00000000 00000000 00000001 c3ab5e08 c3ab5e08 00000000
Call Trace: [<f889a564>] [<c01be446>] [<c01beab0>] [<c01c558c>] [<c01c4c26>] [<c01c4e28>] [<c01c5072>]
[<c01e18b2>] [<c01beefb>] [<c01bed96>] [<c011ab41>] [<c011aa27>] [<c011a8cc>] [<c010a7c5>] [<c0107170>]
[<c0107170>] [<c010900c>] [<c0107170>] [<c0107170>] [<c0100018>] [<c010719c>] [<c0107202>] [<c0116c36>]
Code: c7 85 78 01 00 00 00 00 00 00 c7 85 74 01 00 00 00 00 00 00

>>EIP; f889b9e3 <END_OF_CODE+38578913/????> <=====
Trace; f889a564 <END_OF_CODE+38577494/????>
Trace; c01be446 <scsi_dispatch_cmd+152/268>
Trace; c01beab0 <scsi_done+0/ec>
Trace; c01c558c <scsi_request_fn+2f0/334>
Trace; c01c4c26 <scsi_queue_next_request+4e/110>
Trace; c01c4e28 <__scsi_end_request+140/14c>
Trace; c01c5072 <scsi_io_completion+18a/370>
Trace; c01e18b2 <rw_intr+1d2/1e0>
Trace; c01beefb <scsi_finish_command+d3/dc>
Trace; c01bed96 <scsi_bottom_half_handler+1fa/210>
Trace; c011ab41 <bh_action+4d/b4>
Trace; c011aa27 <tasklet_hi_action+4f/7c>
Trace; c011a8cc <do_softirq+5c/8c>
Trace; c010a7c5 <do_IRQ+e5/f4>
Trace; c0107170 <default_idle+0/34>
Trace; c0107170 <default_idle+0/34>
Trace; c010900c <ret_from_intr+0/20>
Trace; c0107170 <default_idle+0/34>
Trace; c0107170 <default_idle+0/34>
Trace; c0100018 <startup_32+18/cb>
Trace; c010719c <default_idle+2c/34>
Trace; c0107202 <cpu_idle+3e/54>
Trace; c0116c36 <printk+16e/17c>
Code; f889b9e3 <END_OF_CODE+38578913/????>
00000000 <_EIP>:
Code; f889b9e3 <END_OF_CODE+38578913/????> <=====
0: c7 85 78 01 00 00 00 movl $0x0,0x178(%ebp) <=====
Code; f889b9ea <END_OF_CODE+3857891a/????>
7: 00 00 00
Code; f889b9ed <END_OF_CODE+3857891d/????>
a: c7 85 74 01 00 00 00 movl $0x0,0x174(%ebp)
Code; f889b9f4 <END_OF_CODE+38578924/????>
11: 00 00 00

Kernel panic: Aiee, killing interrupt handler!
In interrupt handler - not syncing

1 warning and 2 errors issued. Results may not be reliable.


Adam
--
Adam al10@inf.tu-dresden.de
Lackorzynski http://a.home.dhs.org
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