Re: [vserver] Kernel > 3.0 and rcu_sched stalls

From: cryptronic <mail_at_cryptronic.de>
Date: Tue 08 May 2012 - 16:11:00 BST
Message-ID: <4FA93784.3050302@cryptronic.de>

On 27.04.2012 18:40, Herbert Poetzl wrote:
>
>> On serial console we got lines like the following:
>> INFO: rcu_sched detected stalls on CPUs/tasks: { x,y,z} (detected by a,
>> t=b jiffies)
> this is just the result of something going wrong in the
> kernel and thus a CPU getting stuck and/or being too busy.
> but it's good to hear that you are using a serial console,
> which is the proper tool to capture kernel traces
>
>

I had this specific failuer on some more hosts, but i never got any
traces. Is there a kernel config option which enables any traces?

best regards
Received on Tue May 8 16:11:10 2012

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