From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sachin Sant Subject: Re: Next March 25: Boot failure on powerpc [recursive locking detected] Date: Thu, 26 Mar 2009 12:04:40 +0530 Message-ID: <49CB2200.50703@in.ibm.com> References: <20090325191229.0e17eaf6.sfr@canb.auug.org.au> <49CA3BF4.3050801@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from e28smtp03.in.ibm.com ([59.145.155.3]:35680 "EHLO e28smtp03.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750925AbZCZGer (ORCPT ); Thu, 26 Mar 2009 02:34:47 -0400 In-Reply-To: <49CA3BF4.3050801@in.ibm.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: linuxppc-dev@ozlabs.org Cc: Stephen Rothwell , linux-next@vger.kernel.org, linux-scsi , Benjamin Herrenschmidt , James Bottomley Sachin Sant wrote: > Today's next failed to boot on a powerpc box > (Power6 blade IBM,7998-61X) with following recursive locking message. > > ============================================= > [ INFO: possible recursive locking detected ] > 2.6.29-next-20090325 #1 After bisecting the failure seems to be because of the following patch from James ( block: move SCSI timeout check into block ) http://patchwork.kernel.org/patch/8017/ If i back out the above mentioned patch, the machine boots fine without any problems. Thanks -Sachin -- --------------------------------- Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India --------------------------------- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [59.145.155.5]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e28smtp05.in.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id ACDE2DDD0B for ; Thu, 26 Mar 2009 17:34:45 +1100 (EST) Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by e28smtp05.in.ibm.com (8.13.1/8.13.1) with ESMTP id n2Q6YeAM019760 for ; Thu, 26 Mar 2009 12:04:40 +0530 Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n2Q6V8IM4419682 for ; Thu, 26 Mar 2009 12:01:08 +0530 Received: from d28av05.in.ibm.com (loopback [127.0.0.1]) by d28av05.in.ibm.com (8.13.1/8.13.3) with ESMTP id n2Q6Ye7j002148 for ; Thu, 26 Mar 2009 17:34:40 +1100 Message-ID: <49CB2200.50703@in.ibm.com> Date: Thu, 26 Mar 2009 12:04:40 +0530 From: Sachin Sant MIME-Version: 1.0 To: linuxppc-dev@ozlabs.org Subject: Re: Next March 25: Boot failure on powerpc [recursive locking detected] References: <20090325191229.0e17eaf6.sfr@canb.auug.org.au> <49CA3BF4.3050801@in.ibm.com> In-Reply-To: <49CA3BF4.3050801@in.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: James Bottomley , Stephen Rothwell , linux-next@vger.kernel.org, linux-scsi List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sachin Sant wrote: > Today's next failed to boot on a powerpc box > (Power6 blade IBM,7998-61X) with following recursive locking message. > > ============================================= > [ INFO: possible recursive locking detected ] > 2.6.29-next-20090325 #1 After bisecting the failure seems to be because of the following patch from James ( block: move SCSI timeout check into block ) http://patchwork.kernel.org/patch/8017/ If i back out the above mentioned patch, the machine boots fine without any problems. Thanks -Sachin -- --------------------------------- Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India ---------------------------------