Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753167Ab0H2LZ1 (ORCPT ); Sun, 29 Aug 2010 07:25:27 -0400 Received: from mx4-phx2.redhat.com ([209.132.183.25]:54334 "EHLO mx02.colomx.prod.int.phx2.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752778Ab0H2LZ0 (ORCPT ); Sun, 29 Aug 2010 07:25:26 -0400 Date: Sun, 29 Aug 2010 07:24:53 -0400 (EDT) From: CAI Qian To: Tejun Heo Cc: kexec , linux-next@vger.kernel.org, torvalds@linux-foundation.org, linux-kernel Message-ID: <633505726.1479321283081093502.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> In-Reply-To: <4C7A20F6.5070802@kernel.org> Subject: Re: kdump regression compared to v2.6.35 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [10.5.5.72] X-Mailer: Zimbra 5.0.21_GA_3150.RHEL4_64 (ZimbraWebClient - FF3.0 (Linux)/5.0.21_GA_3150.RHEL4_64) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 984 Lines: 28 ----- "Tejun Heo" wrote: > 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. It had the same problem. > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/