lkml.org 
[lkml]   [2010]   [Jan]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [Bug 15076] System panic under load with clockevents_program_event
From
Okey, I try without highmem soon.

2010/1/25, Thomas Gleixner <tglx@linutronix.de>:
> Switched to email. Please reply to all instead of using the bugzilla
> interface.
>
>> --- Comment #4 from okias <d.okias@gmail.com> 2010-01-22 10:17:25 ---
>> and it's regression. Now I work on 2.6.32.3 and no problem.
>
> That's a really weird one. The system is 50 min up and running and out
> of the blue it crashes in clockevents_program_event(). This function
> has been called a couple of thousand times before that point.
>
> The only way to crash there is when *dev is pointing into nirwana. dev
> comes from
>
> int tick_program_event(ktime_t expires, int force)
> {
> struct clock_event_device *dev =
> __get_cpu_var(tick_cpu_device).evtdev;
>
> according to the callchain. At this point nothing fiddles with
> tick_cpu_device.evtdev, so I suspect some really nasty memory
> corruption going on.
>
> okias, can you please disable highmem support and verify whether the
> problem persists ?
>
> Thanks,
>
> tglx
>


--
Jabber/XMPP: okias@isgeek.info
SIP VoIP: sip:17474537254@proxy01.sipphone.com


\
 
 \ /
  Last update: 2010-01-25 12:35    [W:0.373 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site