On Thu, 10 Aug 2006 21:35:57 +0200 (CEST)
Andi Kleen <[email protected]> wrote:
> - Move them to a pure assembly file. Previously they were in
> a C file that only consisted of inline assembly. Doing it in pure
> assembler is much nicer.
> - Add a frame.i include with FRAME/ENDFRAME macros to easily
> add frame pointers to assembly functions
> - Add dwarf2 annotation to them so that the new dwarf2 unwinder
> doesn't get stuck on them
> [TBD: needs review from someone who knows more about CFA than me, e.g. Jan]
> - Random cleanups
This patch causes the below crash after some seconds of disk stresstesting.
BUG: unable to handle kernel paging request at virtual address 4bf2e411
printing eip:
e4111d00
*pde = 00000000
Oops: 0002 [#1]
SMP
last sysfs file:
Modules linked in:
CPU: 1
EIP: 0060:[<e4111d00>] Not tainted VLI
EFLAGS: 00010046 (2.6.18-rc4 #28)
EIP is at 0xe4111d00
eax: e6ff89e4 ebx: e6ff89e4 ecx: 00000000 edx: e4110000
esi: e6ff89d4 edi: e6ff88fc ebp: e4111cf4 esp: e4111cf8
ds: 007b es: 007b ss: 0068
Process pdflush (pid: 2341, ti=e4110000 task=c1d40aa0 task.ti=e4110000)
Stack: c0271d0f 00000282 e4111d10 c03a4bf2 e6ff89e4 c129a900 e4111d38 c015543c
e6ff89e4 00000000 e4111d48 e6ff89e4 e6ff89d8 c129a900 00000000 e6ff88fc
e4111d48 c014e939 c129a900 d0a8a734 e4111d84 c01752d1 c129a900 c01c588e
Call Trace:
[<c01040d9>] show_stack_log_lvl+0xa9/0xd0
[<c010430d>] show_registers+0x1bd/0x240
[<c01044cc>] die+0x13c/0x300
[<c0114ff2>] do_page_fault+0x2a2/0x5dc
[<c0103bf9>] error_code+0x39/0x40
[<c0271d0f>] _raw_write_lock+0x3f/0x80
Code: 88 ff e6 f4 1c 11 e4 e4 89 ff e6 7b 00 1c c0 7b 00 00 00 ff ff ff ff 00 1d 11 e4 60 00 00 00 46 00 01 00 0f 1d 27 c0 82 02 00 00 <10> 1d 11 e4 f2 4b 3a c0 e4 89 ff e6 00 a9 29 c1 38 1d 11 e4 3c
EIP: [<e4111d00>] 0xe4111d00 SS:ESP 0068:e4111cf8
<3>BUG: sleeping function called from invalid context at kernel/rwsem.c:20
in_atomic():0, irqs_disabled():1
[<c010414b>] show_trace+0x1b/0x20
[<c01048e4>] dump_stack+0x24/0x30
[<c0116fe6>] __might_sleep+0xa6/0xb0
[<c0137e3f>] down_read+0x1f/0x2c
[<c012db27>] blocking_notifier_call_chain+0x17/0x40
[<c01203ef>] profile_task_exit+0x1f/0x30
[<c0121efd>] do_exit+0x1d/0x940
[<c0104685>] die+0x2f5/0x300
[<c0114ff2>] do_page_fault+0x2a2/0x5dc
[<c0103bf9>] error_code+0x39/0x40
[<c0271d0f>] _raw_write_lock+0x3f/0x80
BUG: NMI Watchdog detected LOCKUP on CPU0, eip c03a47e6, registers:
Modules linked in:
-
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