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Subject2.5.2[5-6] VM problem (oops)
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Unfortunately, this report is not as detailed as it needs to be (can't
run ksymoops while the affected kernels are running). 2.5.25 and 2.5.26
both seem to have this problem, whereas 2.5.24 and earlier kernels are
fine. Problem is that kernel will generally "oops" within 24 hours of
booting. The process that triggers the oops isn't constant, but the
general character of the oops *is*... Here's the log, such as it is:

kernel BUG at page_alloc.c:182!
invalid operand: 0000
CPU: 0
EIP: 0010:[rmqueue+655/760] Tainted: P
EFLAGS: 00013202
eax: 01000010 ebx: c12db6d8 ecx: c0280db4 edx: 01000010
esi: c0280db4 edi: c0280dcc ebp: 00000000 esp: d6acbd44
ds: 0018 es: 0018 ss: 0018
Process X (pid: 1236, threadinfo=d6aca000 task=d533a040)
Stack: c0280f40 000001ff 00000000 c0280db4 00001000 d6aca000 00013514 00003292
c0280dcc 00000000 c0280db4 c012ca25 000001d2 d357bba0 d3c235b8 4056e000
c0280f3c 000001d2 ffffff00 c012c836 d6aca000 c01237bc d385f404 d357bba0
Call Trace: [__alloc_pages+61/384] [_alloc_pages+22/24] [do_anonymous_page+80/328] [do_no_page+56/536] [handle_mm_fault+98/256]
[do_page_fault+403/1172] [do_page_fault+0/1172] [__alloc_pages+61/384] [ext2_readpages+22/28] [ext2_get_block+0/864] [read_pages+33/132]
[error_code+52/64] [file_read_actor+91/136] [do_generic_file_read+248/792] [generic_file_read+280/308] [file_read_actor+0/136] [vfs_read+151/276]
[sys_read+40/60] [syscall_call+7/11]

Code: 0f 0b b6 00 2b 4d 23 c0 90 8b 43 14 f6 c4 20 74 08 0f 0b b7

Yes, the kernel is tainted (NVIDIA driver). However, the only difference
between the tainted and non-tainted kernels is that the tainted ones will
crash faster, i.e., running X11 makes bad things happen faster, but not
running X11 doesn't keep bad things from happening.

--
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Bob Tracy WTO + WIPO = DMCA? http://www.anti-dmca.org
rct@frus.com
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