lkml.org 
[lkml]   [2011]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Xen-devel] Re: PROBLEM: 3.0-rc kernels unbootable since -rc3
Monday, July 11, 2011, 9:30:22 PM, you wrote:

>>
>> Hmmm... Does the stall repeat about every 3.5 minutes after the first stall?

> Starting Configure read-only root support...
> [ 81.335070] INFO: rcu_sched_state detected stalls on CPUs/tasks: { 0} (detected by 3, t=60002 jiffies)
> [ 81.335091] sending NMI to all CPUs:
> [ 261.367071] INFO: rcu_sched_state detected stalls on CPUs/tasks: { 0} (detected by 3, t=240034 jiffies)
> [ 261.367092] sending NMI to all CPUs:
> [ 441.399066] INFO: rcu_sched_state detected stalls on CPUs/tasks: { 0} (detected by 3, t=420066 jiffies)
> [ 441.399089] sending NMI to all CPUs:

>>
>> One thing to try would be to disable CONFIG_RCU_FAST_NO_HZ. I wouldn't
>> expect this to have any effect, but might be worth a try. It is really

> Did not help.
>> intended for small battery-powered systems.
>>

Just as a note, i'm also seeing some stalls from domU's running a 3.0-rc kernel from you master tree (about 2 week old).
But it seems the first occurrences are not as quick after being booted. Unfortunately i haven't got time to investigate more this week.

--
Sander




\
 
 \ /
  Last update: 2011-07-12 08:41    [W:0.166 / U:0.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site