Hello,
I'd like to report a kernel Oops I'm getting in Linux 2.2.14.
It happens in the middle of reading all data from a big file (~500MB).
A few seconds later there are a few more Oops messages, and then
the system locks up solid (in swapper task - not syncing).
The Oops below is the first one (and the only one that has been
logged) - if you need the last one, please tell me and I'll try
to write it down by hand.
The system is a P3-500 (single processor), with 256MB of RAM.
I can reproduce it reliably (three times in a row), soon after
the system is started.
I hope this will help to track down the bug. Please ask if you
need more information. Please Cc: replies to me - unfortunately
I don't have the bandwidth to follow linux-kernel these days...
Regards,
Marek
Jan 26 15:00:12 pc110 kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000014
Jan 26 15:00:12 pc110 kernel: current->tss.cr3 = 00101000, %cr3 = 00101000
Jan 26 15:00:12 pc110 kernel: *pde = 00000000
Jan 26 15:00:12 pc110 kernel: Oops: 0000
Jan 26 15:00:12 pc110 kernel: CPU: 0
Jan 26 15:00:12 pc110 kernel: EIP: 0010:[try_to_free_buffers+18/136]
Jan 26 15:00:12 pc110 kernel: EFLAGS: 00010207
Jan 26 15:00:12 pc110 kernel: eax: 00000000 ebx: c0499578 ecx: 00000006 edx: 0001ffe0
Jan 26 15:00:12 pc110 kernel: esi: 00000000 edi: cda2df60 ebp: c0499578 esp: cffd1fac
Jan 26 15:00:12 pc110 kernel: ds: 0018 es: 0018 ss: 0018
Jan 26 15:00:12 pc110 kernel: Process kswapd (pid: 5, process nr: 5, stackpage=cffd1000)
Jan 26 15:00:12 pc110 kernel: Stack: 00000030 000007ce c011cfce c0499578 0000000f 00000006 c0121d57 00000006
Jan 26 15:00:12 pc110 kernel: 00000030 cffd0000 c01fc5d4 cffd01c1 c0121e17 00000030 00000f00 cffebfc0
Jan 26 15:00:12 pc110 kernel: c0106000 c0108993 00000000 00000f00 c023dfd4
Jan 26 15:00:12 pc110 kernel: Call Trace: [shrink_mmap+218/300] [do_try_to_free_pages+35/120] [tvecs+5116/9898] [kswapd+107/160] [get_options+0/116] [kernel_thread+35/48]
Jan 26 15:00:12 pc110 kernel: Code: 8b 76 14 83 78 20 00 75 06 f6 40 18 46 74 13 6a 00 e8 4c 01
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