Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace_sched_wakeup.c | KernelTrap

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace_sched_wakeup.c

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From: Ingo Molnar

Subject: Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace_sched_wakeup.c

Date: Monday, October 25, 2010 - 1:59 am

* Ingo Molnar <mingo@elte.hu> wrote:

quoted text> > Interesting, the jump was to NULL. I'm thinking it hit a trace point and jumped 
> > to a NULL address. I guess there's some strange race here. Is a cache flush 
> > missing somewhere. I'll look more into this on Monday.
> 
> NULL wasnt the only crash i've seen in the past though, here's an older one:

here's another crash:

Testing event wbc_balance_dirty_written: OK
Testing event wbc_balance_dirty_wait: OK
Testing event wbc_writepage: 
PPS event at 4294897530
OK
Testing event kmalloc: OK
Testing event kmem_cache_alloc: OK
Testing event kmalloc_node: OK
Testing event kmem_cache_alloc_node: 
BUG: unable to handle kernel paging request at ffffffff
IP: [<96c35f7c>] 0x96c35f7c
*pde = 01b29067 *pte = 00000000 
Oops: 0002 [#1] SMP 
last sysfs file: 

Pid: 2, comm: kthreadd Not tainted 2.6.36-tip+ #52247 /
EIP: 0060:[<96c35f7c>] EFLAGS: 00010282 CPU: 1
EAX: ffffffff EBX: 7902361a ECX: 00000000 EDX: 00000000
ESI: 96c35f7c EDI: fffffff4 EBP: 96c09c00 ESP: 96c35ee4
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process kthreadd (pid: 2, ti=96c34000 task=96c09c00 task.ti=96c34000)
Stack:
 7902361a 7903b153 00800711 96c09c00 97209940 00000000 96c35f7c 7901ca8e
 96c35f7c 00000000 00000000 96c35f7c 790242e2 00000000 00000000 00000000
 00000000 00800711 00000000 00000000 00000000 96c35f60 79020547 97209940
Call Trace:
 [<7902361a>] ? 0x7902361a
 [<7903b153>] ? 0x7903b153
 [<7901ca8e>] ? 0x7901ca8e
 [<790242e2>] ? 0x790242e2
 [<79020547>] ? 0x79020547
 [<79036c86>] ? 0x79036c86
 [<79007c1a>] ? 0x79007c1a
 [<79036c86>] ? 0x79036c86
 [<79002b78>] ? 0x79002b78
 [<79036d7b>] ? 0x79036d7b
 [<79036cee>] ? 0x79036cee
 [<79002b7e>] ? 0x79002b7e
Code: 00 00 00 40 99 20 00 c3 c3 a3 ad 11 07 80 00 86 6c 03 79 c0 5f c3 96 7c 5f c3 96 1a 7c 00 79 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 86 6c 03 79 74 3f c3 96 00 
EIP: [<96c35f7c>]  SS:ESP 0068:96c35ee4
CR2: 00000000ffffffff
---[ end trace 96f3e81873b87763 ]---
Kernel panic - not syncing: Fatal exception

(config attached)

	Ingo

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Messages in current thread:

[PATCH][GIT PULL] tracing: Fix compile issue for trace_sch ..., Steven Rostedt, (Tue Oct 19, 10:11 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Tue Oct 19, 11:41 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Wed Oct 20, 8:40 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Steven Rostedt, (Wed Oct 20, 9:37 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Wed Oct 20, 9:43 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Wed Oct 20, 11:33 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Wed Oct 20, 11:40 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Masami Hiramatsu, (Wed Oct 20, 7:58 pm)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Thu Oct 21, 12:22 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Steven Rostedt, (Thu Oct 21, 4:01 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Thu Oct 21, 4:03 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Thu Oct 21, 4:09 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Steven Rostedt, (Thu Oct 21, 4:14 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Thu Oct 21, 4:26 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Steven Rostedt, (Thu Oct 21, 5:45 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Thu Oct 21, 6:50 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Thu Oct 21, 6:55 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Thu Oct 21, 7:00 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Thu Oct 21, 7:43 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Thu Oct 21, 6:44 pm)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Masami Hiramatsu, (Thu Oct 21, 9:56 pm)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Fri Oct 22, 1:14 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Tejun Heo, (Fri Oct 22, 1:16 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Fri Oct 22, 7:13 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Fri Oct 22, 7:23 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Steven Rostedt, (Fri Oct 22, 7:36 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Fri Oct 22, 7:36 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Fri Oct 22, 10:58 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Fri Oct 22, 11:24 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Fri Oct 22, 11:39 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Fri Oct 22, 2:42 pm)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Steven Rostedt, (Fri Oct 22, 9:41 pm)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Sat Oct 23, 1:02 pm)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Steven Rostedt, (Sat Oct 23, 5:53 pm)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Sun Oct 24, 4:25 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Mon Oct 25, 1:59 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Mon Oct 25, 2:30 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Mon Oct 25, 4:45 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Mon Oct 25, 5:10 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Mon Oct 25, 5:18 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Mon Oct 25, 5:32 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Mon Oct 25, 8:47 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Mon Oct 25, 8:55 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Mon Oct 25, 9:07 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Mon Oct 25, 9:09 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Mon Oct 25, 10:25 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Ingo Molnar, (Mon Oct 25, 10:32 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Peter Zijlstra, (Mon Oct 25, 10:45 am)

Re: [PATCH][GIT PULL] tracing: Fix compile issue for trace ..., Jason Baron, (Mon Oct 25, 10:52 am)

[tip:perf/urgent] jump label: Add work around to i386 gcc ..., tip-bot for Steven R ..., (Sat Oct 30, 3:42 am)

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