Bug?

Sascha Curth
2007-04-01T13:45:07Z

Hi,

i hav essen this in my logfiles. The server wasn't rechable any more and
a hard reset was needed....

Kernel: 2.6.18
Logfile:

Mar 29 22:18:07 seven ------------[ cut here ]------------
Mar 29 22:18:07 seven kernel BUG at mm/rmap.c:522!
Mar 29 22:18:07 seven invalid opcode: 0000 [#1]
Mar 29 22:18:07 seven SMP
Mar 29 22:18:07 seven Modules linked in: capi capifs st fcdsl
Mar 29 22:18:07 seven CPU: 0
Mar 29 22:18:07 seven EIP: 0060:[<c0151a46>] Tainted: P S VLI
Mar 29 22:18:07 seven EFLAGS: 00210286 (2.6.18-gentoo-r3 #1)
Mar 29 22:18:07 seven EIP is at page_remove_rmap+0x26/0x30
Mar 29 22:18:07 seven eax: ffffffff ebx: d54dda88 ecx: c1ffaa40
edx: 00000000
Mar 29 22:18:07 seven esi: c1ffaa40 edi: b7ea2000 ebp: b7ea4000
esp: ca969edc
Mar 29 22:18:07 seven ds: 007b es: 007b ss: 0068
Mar 29 22:18:07 seven Process exim (pid: 14060, ti=ca968000
task=f6565580 task.ti=ca968000)
Mar 29 22:18:07 seven Stack: c014bb06 00000000 f639af98 ca969f48
00000000 00000001 d6f50b7c f7c1a900
Mar 29 22:18:07 seven c200be20 00000000 fffffffc c12a9bac d6f50b7c
7fd52025 b7ea3fff 00294bfc
Mar 29 22:18:07 seven b7ea4000 00000000 ca969f48 dd471128 f7c1a900
ca968000 c014e989 ffffffff
Mar 29 22:18:07 seven Call Trace:
Mar 29 22:18:07 seven [<c014bb06>] unmap_vmas+0x286/0x520
Mar 29 22:18:07 seven [<c014e989>] exit_mmap+0x79/0x100
Mar 29 22:18:07 seven [<c011b9c3>] mmput+0x33/0xa0
Mar 29 22:18:07 seven [<c0120c23>] do_exit+0xf3/0x8b0
Mar 29 22:18:07 seven [<c01126b7>] do_page_fault+0xe7/0x5ab
Mar 29 22:18:07 seven [<c0121413>] do_group_exit+0x33/0x90
Mar 29 22:18:07 seven [<c0102e2d>] sysenter_past_esp+0x56/0x79
Mar 29 22:18:07 seven Code: bf 00 00 00 00 89 c1 90 83 40 08 ff 0f 98 c0
84 c0 75 02 f3 c3 8b 41 08 40 78 10 8b 51 10 89 c8 83 f2 01 83 e2 01 e9
ba 81 ff f
f <0f> 0b 0a 02 88 90 51 c0 eb e6 83 ec 20 89 74 24 14 89 d6 89 5c
Mar 29 22:18:07 seven EIP: [<c0151a46>] page_remove_rmap+0x26/0x30
SS:ESP 0068:ca969edc
Mar 29 22:18:07 seven <1>Fixing recursive fault but reboot is needed!