lkml.org 
[lkml]   [2014]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 3.13 hangs when I tried to start a KVM at a 32 bit stable Gentoo
On 01/23/2014 10:55 AM, Dave Hansen wrote:
> On 01/21/2014 08:38 AM, Toralf Förster wrote:
>> Jan 21 17:18:57 n22 kernel: INFO: rcu_sched self-detected stall on CPU { 2} (t=60001 jiffies g=18494 c=18493 q=183951)
>> Jan 21 17:18:57 n22 kernel: sending NMI to all CPUs:
>> Jan 21 17:18:57 n22 kernel: NMI backtrace for cpu 2
>> Jan 21 17:18:57 n22 kernel: CPU: 2 PID: 6779 Comm: qemu-system-x86 Not tainted 3.13.0 #3
>> Jan 21 17:18:57 n22 kernel: Hardware name: LENOVO 4180F65/4180F65, BIOS 83ET75WW (1.45 ) 05/10/2013
>> Jan 21 17:18:57 n22 kernel: task: e921c370 ti: e5f36000 task.ti: e5f36000
>
> I'm seeing a very similar hang with an ubuntu guest and a custom kernel.
> I'm on commit 0dc3fd0249a, and it's 100% reproducible every time I run KVM.

Did a little more LKML digging and found this:

http://marc.info/?l=linux-kernel&m=139038631607917&q=raw

Peter's fix works for me. I'm also running a CONFIG_PREEMPT_VOLUNTARY=y
config.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2014-01-24 04:41    [W:0.108 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site