From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 10324] New: kernel panic ip_route_input Date: Tue, 25 Mar 2008 13:03:02 -0700 Message-ID: <20080325130302.d3f6757c.akpm@linux-foundation.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: bugme-daemon@bugzilla.kernel.org, nuclearcat@nuclearcat.com, "Rafael J. Wysocki" To: netdev@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:34545 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750961AbYCYUDn (ORCPT ); Tue, 25 Mar 2008 16:03:43 -0400 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 Tue, 25 Mar 2008 12:48:37 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=10324 > > Summary: kernel panic ip_route_input > Product: Networking > Version: 2.5 > KernelVersion: 2.6.25-rc6-git6 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: IPV4 > AssignedTo: shemminger@linux-foundation.org > ReportedBy: nuclearcat@nuclearcat.com > > > Latest working kernel version: 2.6.24.x > Earliest failing kernel version: 2.6.25-rc6 A post-2.6.24 regression. > Distribution: Custom > Hardware Environment: Dual CPU, e100 + e1000 > Software Environment: Custom build. FIB_TRIE enabled > Problem Description: Kernel panic after few seconds running network on heavy > traffic (around 350 Mbps). > > Steps to reproduce: It is complicated configuration. I can provide whole image > of system, around 128MB (it is semi-embedded), but it will need at least few > traffic generators similar to mine. So it is difficult to reproduce. I can > apply any patches required, but highly prefferable if they dont make server > unreachable. I have panic and oops autoreboot sysctl options, nmi-watchdog and > software watchdog enabled. > I think it is critical to fix this bug before releasing 2.6.25. > > Here is latest message with panic: > CONFIG_DEBUG_RODATA, 4K stacks, Frame pointers, CONFIG_DEBUG_STACKOVERFLOW - > enabled. > > It reboots recently after bringing up networking. Sometimes even not reaching > place where i am loading netconsole. > > Always in ip_route_input. This is 2.6.25-rc6-git6, 2 panic's. They are easy > to reproduce, but i cannot do bisect, cause this machine dont have power > switch and in difficult to reach area. > I've snipped the log output - it was such a wordwrapped mess :( Can you please resend it in a reply-to-all to this email, after ensuring that it won't be wordwrapped? Thanks.