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SubjectRe: WARNING: CPU: 2 PID: 7 at kernel/workqueue.c:2041 process_one_work
On Tue, May 30, 2017 at 01:24:06PM +0530, Abdul Haleem wrote:
> Hi,
>
> Test : stress-ng
> Machine : Power 8 Bare Metal
> Kernel : 4.12.0-rc3
> Config : attached
> gcc version: 4.8.5
>
>
> In file kernel/workqueue.c at line 2041
>
> /* ensure we're on the correct CPU */
> WARN_ON_ONCE(!(pool->flags & POOL_DISASSOCIATED) &&
> raw_smp_processor_id() != pool->cpu);
>
>
> WARN_ON_ONCE() is being triggered on Linus mainline kernel (4.12.0-rc3)
> when running stress-ng test.
>
>
> request_module: runaway loop modprobe net-pf-10
> request_module: runaway loop modprobe net-pf-10
> hrtimer: interrupt took 500359 ns
> RT Watchdog Timeout (hard): stress-ng-rlimi[80236]

Paul and Steven reported the same problem a while back. Debugging on
the following thread.

http://lkml.kernel.org/r/<20170501165747.GA993@linux.vnet.ibm.com>

Thanks.

--
tejun

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