Messages in this thread | | | Date | Thu, 10 Jul 2008 15:43:18 +0200 | From | "Vegard Nossum" <> | Subject | Re: v2.6.26-rc9: kernel BUG at kernel/sched.c:5858! |
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On Thu, Jul 10, 2008 at 3:33 PM, Vegard Nossum <vegard.nossum@gmail.com> wrote: >> Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC >> Pid: 19762, comm: grep Not tainted (2.6.26-rc9-00059-gb190333 #5) >> EIP: 0060:[<c01991c7>] EFLAGS: 00210203 CPU: 0 >> EIP is at kmem_cache_alloc+0xc7/0xe0 > > $ addr2line -e vmlinux -i c01991c7 > include/asm/string_32.h:183 > mm/slub.c:1646 > > For reference, the disassembly: > c01991c7: f3 ab rep stos %eax,%es:(%edi) > > and registers in question: > > ESI: 00200282 EDI: f6c44000 EBP: e7c2befc ESP: e7c2bedc > DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Got a similar one (same EIP), but this time with the "top" of the oops as well:
BUG: unable to handle kernel paging request at e82be000 IP: [<c01991c7>] kmem_cache_alloc+0xc7/0xe0 *pde = 35657163 *pte = 282be160 Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC Pid: 3879, comm: grep Not tainted (2.6.26-rc9-00059-gb190333 #5) EIP: 0060:[<c01991c7>] EFLAGS: 00210203 CPU: 0 EIP is at kmem_cache_alloc+0xc7/0xe0 EAX: 00000000 EBX: e82bdf00 ECX: 1adada9a EDX: 6b6b6b6b ESI: 00200282 EDI: e82be000 EBP: da711e74 ESP: da711e54 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process grep (pid: 3879, ti=da710000 task=da7f6f90 task.ti=da710000) Stack: c019fa36 f7a9cf20 c019fa36 000080d0 f7811c30 00000003 da711f04 ffffffe9 da711e8c c019fa36 c092e478 000001f6 00000003 da711f04 da711eac c01a8e44 00001000 e802a100 ffffff9c da711f04 00018801 00000004 da711ec4 c01a8f31 Call Trace: [<c019fa36>] ? get_empty_filp+0x36/0x140 [<c019fa36>] ? get_empty_filp+0x36/0x140 [<c019fa36>] ? get_empty_filp+0x36/0x140 [<c01a8e44>] ? __path_lookup_intent_open+0x24/0x90 [<c01a8f31>] ? path_lookup_open+0x21/0x30 [<c01a8fd3>] ? do_filp_open+0x93/0x710 [<c019cc48>] ? get_unused_fd_flags+0xc8/0xf0 [<c05849b7>] ? _spin_unlock+0x27/0x50 [<c019cc48>] ? get_unused_fd_flags+0xc8/0xf0 [<c019ccb9>] ? do_sys_open+0x49/0xe0 [<c019fbf9>] ? fput+0x19/0x20 [<c019cdb9>] ? sys_open+0x29/0x40 [<c0104ceb>] ? sysenter_past_esp+0x78/0xd1 ======================= Code: b9 ff ff ff ff 8b 55 ec 89 7c 24 04 89 04 24 8b 45 f0 e8 4d f6 ff ff 89 c3 eb a0 85 db 74 bc 8b 57 10 31 c0 89 df 89 d1 c1 e9 02 <f3> ab f6 c2 02 74 02 66 ab f6 c2 01 74 01 aa eb 9f 90 8d b4 26 EIP: [<c01991c7>] kmem_cache_alloc+0xc7/0xe0 SS:ESP 0068:da711e54 ---[ end trace f3a251e0ce11b6fd ]---
This seems to be grep both times, the command I used is:
$ grep -r . /sys
Vegard
-- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036
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