From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from hera.kernel.org ([140.211.167.34]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1OpdoM-0005VM-Gg for kexec@lists.infradead.org; Sun, 29 Aug 2010 09:04:22 +0000 Message-ID: <4C7A20F6.5070802@kernel.org> Date: Sun, 29 Aug 2010 10:57:26 +0200 From: Tejun Heo MIME-Version: 1.0 Subject: Re: kdump regression compared to v2.6.35 References: <181596874.1477361283065264575.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> In-Reply-To: <181596874.1477361283065264575.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: caiqian@redhat.com Cc: kexec , linux-next@vger.kernel.org, torvalds@linux-foundation.org, linux-kernel On 08/29/2010 09:01 AM, caiqian@redhat.com wrote: > Further bisect indicated this bad commit from the merge. Given kdump > kernel was running with maxcpus=1, I guess this work caused fs/bio.c > hung in the workqueue on UP. Reverted the whole merge let kdump work > again. Can you please pull from the following git tree and see whether it fixes the problem? There was a bug in nr_active accounting. git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git for-linus Thanks. -- tejun _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec