Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754883AbYCCMiT (ORCPT ); Mon, 3 Mar 2008 07:38:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752369AbYCCMiK (ORCPT ); Mon, 3 Mar 2008 07:38:10 -0500 Received: from nf-out-0910.google.com ([64.233.182.189]:54061 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752309AbYCCMiJ (ORCPT ); Mon, 3 Mar 2008 07:38:09 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=qqCQtCF4ByT7wuU7Z7RgYHJOYnvsHRvmNVmyQBl0sxFTYpmyEyAPf57+5C8pzBaPWGpSy8c6zEwAYnkYVUmWW6HUR8D0YtcBzqTLbfKvhtsqGa1uFcKDIksr7kdLCMAAoK+duqAb7I23ZzLyU182hZ3gHQ8rCwRr2MQ7i705eww= Message-ID: <47CBF12C.2070506@gmail.com> Date: Mon, 03 Mar 2008 13:38:04 +0100 From: Jiri Olsa User-Agent: Thunderbird 2.0.0.9 (X11/20071031) MIME-Version: 1.0 To: Jiri Kosina CC: Andrew Morton , linux-kernel@vger.kernel.org, Nadia Derbey , peifferp@gmail.com Subject: Re: [BUG] soft lockup detected with ipcs References: <47C7E280.4010805@gmail.com> <47CAE7D5.5040907@gmail.com> <20080302120236.61e0ec74.akpm@linux-foundation.org> <47CBE871.4090309@gmail.com> <47CBECB8.7040605@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1258 Lines: 33 Jiri Kosina wrote: > On Mon, 3 Mar 2008, Jiri Olsa wrote: > >> ipcs.kernel.out.1 is the kernel log from the time strace ipcs was done. >> ipcs.kernel.out.2 is from the next run of ipcs that stuck, >> there's no overlay between those logs. >> When the kernel freeze I'm getting logs with the spinlock lockup.. and it's repeating. > > Thanks. Have you tried turning lockdep off, if that still triggers? > > Aparently the first BUG leaves the spin lock locked, and all subsequent > accessess to it lock the machine hard. We'll need to see what goes wrong > inside lockdep. > > Could you please run > > addr2line -e vmlinux c0133034 > > (passing the path to the vmlinux binary of the crashing kernel to the -e > parameter). > I've rebuilt the kernel meanwhile, so dont know how accurate this output is: /home/jirka/xxx/kernel/linux-2.6-stable/include/asm/atomic_32.h:97 Anyway, I'll run the test again with your patch, and then we can run the addrline again... I'll try to turn the lockdep off as well. -- 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/