Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753203Ab0H2L1z (ORCPT ); Sun, 29 Aug 2010 07:27:55 -0400 Received: from hera.kernel.org ([140.211.167.34]:51503 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751936Ab0H2L1y (ORCPT ); Sun, 29 Aug 2010 07:27:54 -0400 Message-ID: <4C7A42AA.1000806@kernel.org> Date: Sun, 29 Aug 2010 13:21:14 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: CAI Qian CC: kexec , linux-next@vger.kernel.org, torvalds@linux-foundation.org, linux-kernel Subject: Re: kdump regression compared to v2.6.35 References: <633505726.1479321283081093502.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> In-Reply-To: <633505726.1479321283081093502.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Sun, 29 Aug 2010 11:27:37 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 856 Lines: 26 Hello, On 08/29/2010 01:24 PM, CAI Qian 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. I see. Hmm... a different issue then. Can you please tell me how to reproduce the problem? Thanks. -- tejun -- 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/