Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754425AbYCCMTU (ORCPT ); Mon, 3 Mar 2008 07:19:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751928AbYCCMTL (ORCPT ); Mon, 3 Mar 2008 07:19:11 -0500 Received: from ug-out-1314.google.com ([66.249.92.170]:52907 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751837AbYCCMTJ (ORCPT ); Mon, 3 Mar 2008 07:19:09 -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=ARgdJ/OFiocLS/7FBOsCVqT45KcnghUA+8aWaYj3BT4wACisyvDpM16ZSvJT6gTNxbQL1ZssgpQ1iHtae8VnCzCH2UT97rsY5PZPtxYx6pXs5u3sIdaIxekRaDIF3dwJ2MCq4HmpPo5+OxXLkkZOXdVqB+pbG/btQk9Dn9sWKxc= Message-ID: <47CBECB8.7040605@gmail.com> Date: Mon, 03 Mar 2008 13:19:04 +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> In-Reply-To: Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 969 Lines: 24 Jiri Kosina wrote: > On Mon, 3 Mar 2008, Jiri Olsa wrote: > >> I'll try the patch, so far I attached the ipcs strace and adjacent kernel logs. > > Thanks for the strace. > > The kernel oopses showing the soft lockup happen at the time of the first > segfaulting run of ipcs, or the second one that hangs? > > The oopses are different compared to the ones you posted previously -- > those were clearly poiting to use-after-free, these show spinlock lockup. > 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. -- 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/