Re: [reboot] WARNING: CPU: 0 PID: 112 at kernel/events/core.c:5655 perf_swevent_add()

[Fengguang Wu]

Hi Jiri,

On Mon, Mar 10, 2014 at 01:53:19PM +0100, Jiri Olsa wrote:
> On Sat, Mar 08, 2014 at 02:51:53PM +0800, Fengguang Wu wrote:
> > 
> > Hi all,
> > 
> > This is a very old WARNING, too old to be bisectable. The below 3 different
> > back traces show that it's always triggered by trinity at system reboot time.
> > Any ideas to quiet it? Thank you!
> 
> hi,
> is there cpu hotplug involved? like writing to:
>   /sys/devices/system/cpu/cpu*/online

Yeah, we do run random CPU hotplug tests in the background.

Thanks,
Fengguang
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