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SubjectRe: cpqarray broken since 2.5.19
On Thu, Jul 25, 2002 at 12:39:40PM +0200, Jens Axboe wrote:
> Could you please repeat the expirement with the 2.5.28 just released,
> and record any oopses :-)

Done. Same behavior. It oopses when I insmod if I build as a module. Just
hardlocks, no oops, if I build it in statically. Below is the decoded oops
from the module case. I couldn't get module symbols since it dies when I
insmod so let me know if the trace looks fishy.

--Adam

ksymoops 2.4.1 on i686 2.5.28. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.28/ (default)
-m /boot/System.map-2.5.28 (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

No modules in ksyms, skipping objects
Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file?
Warning (compare_maps): ksyms_base symbol GPLONLY___wake_up_sync not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol GPLONLY_idle_cpu not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol GPLONLY_set_cpus_allowed not found in System.map. Ignoring ksyms_base entry
Unable to handle kernel NULL pointer dereference at virtual address 00000000
*pde = 00000000
Oops: 0002
CPU: 1
EIP: 0010:[<ca89b725>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010046
eax: 00000000 ebx: c784fe80 ecx: 00000001 edx: 00000000
esi: c889cc00 edi: c889cc00 ebp: c9679e20 esp: c9679db8
ds: 0018 es: 0018 ss: 0018
Stack: 00000002 00000286 c0365e40 00000000 00000001 c784fe80 24000001 00000005
c9679e20 c0108e9a 00000005 c889cc00 c9679e20 c9679e20 c03608a0 00000005
c784fe80 c0109082 00000005 c9679e20 c784fe80 00000000 c8fbf980 c8fbf980
Call Trace: [<c0108e9a>] [<c0109082>] [<c0107978>] [<c0167a6c>] [<c0153a1f>]
[<c012bf10>] [<c0262ec1>] [<c01319f3>] [<c0131b9c>] [<c0148bf3>] [<c02674d7>]
[<c0163360>] [<c013b094>] [<c0148f99>] [<c02635d4>] [<c013b213>] [<c0107033>]
Code: f0 fe 08 0f 88 fa 14 00 00 83 e1 01 0f 84 01 02 00 00 e9 ea

>>EIP; ca89b725 <END_OF_CODE+a4c0185/????> <=====
Trace; c0108e9a <handle_IRQ_event+3a/60>
Trace; c0109082 <do_IRQ+a2/110>
Trace; c0107978 <common_interrupt+18/20>
Trace; c0167a6c <.text.lock.inode+eb/ff>
Trace; c0153a1f <__mark_inode_dirty+2f/c0>
Trace; c012bf10 <generic_file_write+3b0/760>
Trace; c0262ec1 <sys_recvfrom+a1/100>
Trace; c01319f3 <__alloc_pages+53/1f0>
Trace; c0131b9c <__get_free_pages+c/50>
Trace; c0148bf3 <__pollwait+33/a0>
Trace; c02674d7 <datagram_poll+27/d3>
Trace; c0163360 <ext3_file_write+0/60>
Trace; c013b094 <do_readv_writev+204/2e0>
Trace; c0148f99 <do_select+259/270>
Trace; c02635d4 <sys_socketcall+154/200>
Trace; c013b213 <sys_writev+43/54>
Trace; c0107033 <syscall_call+7/b>
Code; ca89b725 <END_OF_CODE+a4c0185/????>
00000000 <_EIP>:
Code; ca89b725 <END_OF_CODE+a4c0185/????> <=====
0: f0 fe 08 lock decb (%eax) <=====
Code; ca89b728 <END_OF_CODE+a4c0188/????>
3: 0f 88 fa 14 00 00 js 1503 <_EIP+0x1503> ca89cc28 <END_OF_CODE+a4c1688/????>
Code; ca89b72e <END_OF_CODE+a4c018e/????>
9: 83 e1 01 and $0x1,%ecx
Code; ca89b731 <END_OF_CODE+a4c0191/????>
c: 0f 84 01 02 00 00 je 213 <_EIP+0x213> ca89b938 <END_OF_CODE+a4c0398/????>
Code; ca89b737 <END_OF_CODE+a4c0197/????>
12: e9 ea 00 00 00 jmp 101 <_EIP+0x101> ca89b826 <END_OF_CODE+a4c0286/????>

<0>Kernel panic: Aiee, killing interrupt handler!

5 warnings issued. Results may not be reliable.

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