From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 14749] New: Kernel locks up after a few minutes of heavy surfing Date: Mon, 7 Dec 2009 13:53:42 -0800 Message-ID: <20091207135342.6fb07264.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org, rankincj@yahoo.com, stable@kernel.org, Eric Dumazet To: netdev@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:47726 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965068AbZLGVyt (ORCPT ); Mon, 7 Dec 2009 16:54:49 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Sun, 6 Dec 2009 13:40:18 GMT bugzilla-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14749 > > Summary: Kernel locks up after a few minutes of heavy surfing > Product: Networking > Version: 2.5 > Kernel Version: 2.6.31.6 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: high > Priority: P1 > Component: IPV4 > AssignedTo: shemminger@linux-foundation.org > ReportedBy: rankincj@yahoo.com > Regression: Yes > > > Created an attachment (id=24049) > --> (http://bugzilla.kernel.org/attachment.cgi?id=24049) > Warnings found in kernel, relating to network corruption. > > This bug is new as of 2.6.31.x kernels. After a short period of heavy surfing > (e.g. lots of tabs open in Firefox), the kernel will suddenly stop responding. > Nothing is written to the serial console, and the machine stops responding to > pings. My only clue so far has been a warning which I found once in my dmesg > log (attached). > > I have already tried manually applying this patch from the upcoming -stable > queue: > > net-fix-sk_forward_alloc-corruption.patch > > to no effect. > > I am currently switching back to Fedora's 2.6.31.6-145.fc12.i686 kernel to see > if it is more stable. (I cannot trust 2.6.31.6 any more.) > Thanks. A regression in the latest 2.6.31 -stable tree. Are you really really sure that you applied that patch, recompiled, reinstalled, etc?