From: Tejun Heo <tj@kernel.org>
To: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Cc: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
mpe <mpe@ellerman.id.au>, sachinp <sachinp@linux.vnet.ibm.com>
Subject: Re: WARNING: CPU: 2 PID: 7 at kernel/workqueue.c:2041 process_one_work
Date: Tue, 13 Jun 2017 16:59:38 -0400 [thread overview]
Message-ID: <20170613205938.GC7359@htj.duckdns.org> (raw)
In-Reply-To: <1496130846.13350.19.camel@abdul.in.ibm.com>
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
prev parent reply other threads:[~2017-06-13 20:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-30 7:54 WARNING: CPU: 2 PID: 7 at kernel/workqueue.c:2041 process_one_work Abdul Haleem
2017-06-13 20:59 ` Tejun Heo [this message]
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