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Subjectbug in 2.4.18 (xfs tree), kernel BUG at page_alloc.c:82!
using 2.4.18-xfs (if you feel bad because it's not the original tree, ignore
the rest of the email, thank you) and running mutt with ~300MB changing
mailbox, which causes it to re-read the box, and do the mail sorting in
memory once every 10-60 seconds. oops came every 10 seconds sometimes, 10-20
minutes the other times. loadavg is below 1.

mutt is using 17MB virtual and ~14MB resident memory out of:

total used free shared buffers cached
Mem: 255308 253048 2260 0 59364 63480
-/+ buffers/cache: 130204 125104
Swap: 305224 152612 152612

ksymoops 2.4.5 on i686 2.4.18-xfs. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.18-xfs/ (default)
-m /boot/System.map-2.4.18-xfs (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.

Apr 27 10:11:00 Yikes kernel: kernel BUG at page_alloc.c:82!
Apr 27 10:11:00 Yikes kernel: invalid operand: 0000
Apr 27 10:11:00 Yikes kernel: CPU: 0
Apr 27 10:11:00 Yikes kernel: EIP: 0010:[__free_pages_ok+66/688] Tainted: P
Apr 27 10:11:00 Yikes kernel: EFLAGS: 00010286
Apr 27 10:11:00 Yikes kernel: eax: 0000001f ebx: 00000000 ecx: c02a39a0 edx: 0017b743
Apr 27 10:11:00 Yikes kernel: esi: c10f7e40 edi: 00000008 ebp: 00000000 esp: c6c31e80
Apr 27 10:11:00 Yikes kernel: ds: 0018 es: 0018 ss: 0018
Apr 27 10:11:00 Yikes kernel: Process mutt (pid: 2715, stackpage=c6c31000)
Apr 27 10:11:00 Yikes kernel: Stack: c025b638 00000052 00000000 00000001 00000008 00000001 c147503c 00000000
Apr 27 10:11:00 Yikes kernel: 00000001 00000008 00000001 c012bf1b c0122828 000d1300 00000000 c74d51b0
Apr 27 10:11:00 Yikes kernel: 00000d11 c0122876 000d1300 4006caac ccb38b00 00000000 ccbbc9c0 c0122b42
Apr 27 10:11:00 Yikes kernel: Call Trace: [__free_pages+27/32] [swapin_readahead+40/80] [do_swap_page+38/224] [handle_mm_fault+98/176] [do_page_fault+355/1172]
Apr 27 10:11:00 Yikes kernel: Code: 0f 0b 83 c4 08 89 f0 2b 05 ec 2c 30 c0 c1 f8 06 3b 05 e0 2c
Using defaults from ksymoops -t elf32-i386 -a i386


>>ecx; c02a39a0 <console_sem+0/14>
>>edx; 0017b743 Before first symbol
>>esi; c10f7e40 <_end+dcc084/105b2244>
>>esp; c6c31e80 <_end+69060c4/105b2244>

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 0b ud2a
Code; 00000002 Before first symbol
2: 83 c4 08 add $0x8,%esp
Code; 00000005 Before first symbol
5: 89 f0 mov %esi,%eax
Code; 00000007 Before first symbol
7: 2b 05 ec 2c 30 c0 sub 0xc0302cec,%eax
Code; 0000000d Before first symbol
d: c1 f8 06 sar $0x6,%eax
Code; 00000010 Before first symbol
10: 3b 05 e0 2c 00 00 cmp 0x2ce0,%eax

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