CVS 2.4.18 xfs kernel from around March 19. Dunno if this is an XFS
problem, but thought I'd start here. Uptime is 41days. Kernel went
into kdb, did a "go" and we kept on going. The system was doing a
backup at the time (backup continued after "go"). Clock was frozen
while in kdb, had to manually run ntpdate to sync it back up...
Right after dumping the oops, I got one entry of:
Apr 30 01:14:39 shakti kernel: <4>eth0: card reports no resources.
eth0 is i82557/i82558 10/100 Ethernet, 00:60:B0:3C:DD:62, IRQ 12.
bt in kdb agreed with the ksymoops output:
Warning (expand_objects): object
/lib/modules/2.4.18-xfs-lvm/kernel/drivers/md/lvm-mod.o for module lvm-mod has
changed since load
Warning (compare_maps): mismatch on symbol partition_name , ksyms_base says
c026c150, System.map says c0150a70. Ignoring ksyms_base entry
Apr 30 01:14:39 shakti kernel: Unable to handle kernel NULL pointer dereference
at virtual address 00000000
Apr 30 01:14:39 shakti kernel: 00000000
Apr 30 01:14:39 shakti kernel: *pde = 00000000
Apr 30 01:14:39 shakti kernel: Oops: 0000
Apr 30 01:14:39 shakti kernel: CPU: 0
Apr 30 01:14:39 shakti kernel: EIP: 0010:[<00000000>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
Apr 30 01:14:39 shakti kernel: EFLAGS: 00010286
Apr 30 01:14:39 shakti kernel: eax: 00000000 ebx: e5829444 ecx: e5829330
edx: e582820c
Apr 30 01:14:39 shakti kernel: esi: 00000202 edi: c03d4f80 ebp: e7fe9f18
esp: e7fe9f04
Apr 30 01:14:39 shakti kernel: ds: 0018 es: 0018 ss: 0018
Apr 30 01:14:39 shakti kernel: Process kswapd (pid: 4, stackpage=e7fe9000)
Apr 30 01:14:39 shakti kernel: Stack: c01faa06 e582820c 00000000 e5829320
e72f8400 e7fe9f24 c01f9d41 e5829444
Apr 30 01:14:39 shakti kernel: e7fe9f3c c0141a9d e5829320 cee9f0f8
cee9f0e0 e5829320 e7fe9f54 c013f926
Apr 30 01:14:39 shakti kernel: e5829320 00000010 000001d0 00000020
e7fe9f60 c013fc0c 00000620 e7fe9f84
Apr 30 01:14:39 shakti kernel: Call Trace: [<c01faa06>] [<c01f9d41>]
[<c0141a9d>] [<c013f926>] [<c013fc0c>]
Apr 30 01:14:39 shakti kernel: [<c0128e78>] [<c0128ed1>] [<c0128f74>]
[<c0128fde>] [<c0129107>] [<c01056e4>]
Apr 30 01:14:39 shakti kernel: Code: Bad EIP value.
>>EIP; 00000000 Before first symbol
>>ebx; e5829444 <_end+253c4024/283adbe0>
>>ecx; e5829330 <_end+253c3f10/283adbe0>
>>edx; e582820c <_end+253c2dec/283adbe0>
>>edi; c03d4f80 <linvfs_sops+0/48>
>>ebp; e7fe9f18 <_end+27b84af8/283adbe0>
>>esp; e7fe9f04 <_end+27b84ae4/283adbe0>
Trace; c01faa06 <vn_put+36/84>
Trace; c01f9d41 <linvfs_put_inode+19/20>
Trace; c0141a9d <iput+51/214>
Trace; c013f926 <prune_dcache+d6/150>
Trace; c013fc0c <shrink_dcache_memory+1c/30>
Trace; c0128e78 <shrink_caches+68/8c>
Trace; c0128ed1 <try_to_free_pages+35/5c>
Trace; c0128f74 <kswapd_balance_pgdat+4c/9c>
Trace; c0128fde <kswapd_balance+1a/38>
Trace; c0129107 <kswapd+9b/c4>
Trace; c01056e4 <kernel_thread+28/38>
--
-rupa
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