From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com ([134.134.136.20]:55352 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725733AbeKXTjz (ORCPT ); Sat, 24 Nov 2018 14:39:55 -0500 Date: Sat, 24 Nov 2018 17:04:44 +0800 From: Philip Li To: Matthew Wilcox Cc: kernel test robot , Linus Torvalds , LKP , linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, linux-input@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linuxppc-dev@lists.ozlabs.org, linux-parisc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: dad4f140ed ("Merge branch 'xarray' of .."): Mem-Info: Message-ID: <20181124090444.GA3141@intel.com> References: <5bf8a766.2eiLO6qApoh2dO55%lkp@intel.com> <20181124035803.GX3065@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181124035803.GX3065@bombadil.infradead.org> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Fri, Nov 23, 2018 at 07:58:03PM -0800, Matthew Wilcox wrote: > On Sat, Nov 24, 2018 at 09:20:38AM +0800, kernel test robot wrote: > > Greetings, > > > > 0day kernel testing robot got the below dmesg and the first bad commit is > > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > > > commit dad4f140edaa3f6bb452b6913d41af1ffd672e45 > > I think you've got the wrong bisection point, confused by other messages. > Here's the messages I think you intend to chase: > > [ 155.389297] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck > for 52s! > [ 155.409004] BUG: workqueue lockup - pool cpus=0 flags=0x4 nice=0 stuck for 40 > s! > [ 155.420377] Showing busy workqueues and worker pools: > [ 155.428445] workqueue events: flags=0x0 > [ 155.434634] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 > [ 155.437904] pending: cache_reap > [ 155.449671] workqueue events_power_efficient: flags=0x82 > [ 155.458000] pwq 2: cpus=0 flags=0x4 nice=0 active=3/256 > [ 155.461269] pending: neigh_periodic_work, do_cache_clean, check_lifetime > > > but you're getting hung up on the testsuite problems. thanks for pointing out this. Kindly ignore this report, which is false positive. > >