kernel 2.6.9-rc1-mm4 oops

[Roel van der Made]

Hi there,

This morning one of our (MySQL-)database serves crashed with the
following kernel trace. Anyone has an idea what could've caused it?
The machine is an SMP Xeon 2.8Ghz with 4G internal Reg. ECC ram running
4 scsi disks in sw raid 5 on a Debian (almost sid-)distribution.

The trace:

------------[ cut here ]------------
kernel BUG at kernel/exit.c:852!
invalid operand: 0000 [#1]
SMP
Modules linked in: ip_vs_wlc af_packet ipt_MARK iptable_mangle ip_tables ip_vs tg3 e1000 e100 eepro100 mii
nfsd exportfs nfs lockd sunrpc unix
CPU:    0
EIP:    0060:[<c011df03>]    Not tainted VLI
EFLAGS: 00010246   (2.6.9-rc1-mm4-fw-xeon.1)
EIP is at next_thread+0xc/0x41
eax: 00000000   ebx: 00000001   ecx: 00000001   edx: e93c3aa0
esi: 00000000   edi: e93c3aa0   ebp: 00000000   esp: f3893dd8
ds: 007b   es: 007b   ss: 0068
Process snmpd (pid: 1182, threadinfo=f3892000 task=f3fa1550)
Stack: c0182368 f3893f14 e93c3aa0 c016cecb c30c8a00 c011542b c03bfbe0 c30c8a00
       c017fcf6 e18d6eb0 e93c3aa0 0000000d c017fdad e93c3aa0 4143bbb4 247966f0
       c016c653 c03bfbe0 e18d6eb0 c03a4bc5 c01802a0 f3e56c20 e18d6eb0 0000000d
Call Trace:
 [<c0182368>] do_task_stat+0x279/0x752
 [<c016cecb>] alloc_inode+0x1b/0x146

 [<c011542b>] do_page_fault+0x19d/0x5c7
 [<c017fcf6>] task_dumpable+0x39/0x4a
 [<c017fdad>] proc_pid_make_inode+0xa6/0xe5
 [<c016c653>] d_rehash+0x55/0x79
 [<c01802a0>] proc_pident_lookup+0x100/0x26c
 [<c0161586>] real_lookup+0xcd/0xf0
 [<c016b468>] dput+0x24/0x209
 [<c0162247>] link_path_walk+0xa3e/0xd89
 [<c0182883>] proc_tgid_stat+0x1f/0x23
 [<c017f3ed>] proc_info_read+0x6a/0x9f
 [<c015417f>] vfs_read+0xbc/0x127
 [<c015444d>] sys_read+0x51/0x80
 [<c0105cdf>] syscall_call+0x7/0xb
Code: 8b 44 24 0c 89 04 24 e8 1d fc ff ff 83 ec 04 0f b6 44 24 08 c1 e0 08 89 04 24 e8 0a fc ff ff 89 c2
8b 80 d0 04 00 00 85 c0 75 08 <0f> 0b 54 03 e5

Thanks,

-- 
Roel van der Made                             .--.
GNU/Linux Systems/Network Engineer           |o_o |
Telegraaf Media ICT - Internet Services      |:_/ |
Tel.: 020 585 2229                          //   \ \
GnuPG Key available at: http://roel.net/gpgkey.asc 
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