From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 6/6] workqueue: reimplement WQ_HIGHPRI using a separate worker_pool Date: Thu, 12 Jul 2012 16:36:45 -0700 Message-ID: <20120712233645.GG20167@google.com> References: <1341859315-17759-7-git-send-email-tj@kernel.org> <20120712130648.GA19214@localhost> <20120712170519.GA20167@google.com> <20120712214514.GD20167@google.com> <20120712223221.GF20167@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Fengguang Wu , linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, joshhunt00@gmail.com, axboe@kernel.dk, rni@google.com, vgoyal@redhat.com, vwadekar@nvidia.com, herbert@gondor.apana.org.au, davem@davemloft.net, linux-crypto@vger.kernel.org, swhiteho@redhat.com, bpm@sgi.com, elder@kernel.org, xfs@oss.sgi.com, marcel@holtmann.org, gustavo@padovan.org, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, martin.petersen@oracle.com To: Tony Luck Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org Hello, Tony. On Thu, Jul 12, 2012 at 04:24:47PM -0700, Tony Luck wrote: > On Thu, Jul 12, 2012 at 3:32 PM, Tejun Heo wrote: > > Can you please try the following debug patch instead? Yours is > > different from Fengguang's. > > New dmesg from mext-20120712 + this new patch (instead of previous one) > > [Note - I see some XXX traces, but no WARN_ON stack dump this time] The debug patch didn't do anything for the bug itself. I suppose it's timing dependent and doesn't always happen (it never reproduces here for some reason). Can you please repeat several times and see whether the warning can be triggered? Thank you very much! -- tejun