From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932162AbXDFTeA (ORCPT ); Fri, 6 Apr 2007 15:34:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751999AbXDFTeA (ORCPT ); Fri, 6 Apr 2007 15:34:00 -0400 Received: from smtp.osdl.org ([65.172.181.24]:60347 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751932AbXDFTd7 (ORCPT ); Fri, 6 Apr 2007 15:33:59 -0400 Date: Fri, 6 Apr 2007 12:33:55 -0700 From: Andrew Morton To: Valdis.Kletnieks@vt.edu Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.21-rc5-mm4 Message-Id: <20070406123355.a6f70a80.akpm@linux-foundation.org> In-Reply-To: <4532.1175873184@turing-police.cc.vt.edu> References: <20070402224745.71a25af7.akpm@linux-foundation.org> <7763.1175792579@turing-police.cc.vt.edu> <20070405133109.fe416273.akpm@linux-foundation.org> <4532.1175873184@turing-police.cc.vt.edu> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 06 Apr 2007 11:26:24 -0400 Valdis.Kletnieks@vt.edu wrote: > On Thu, 05 Apr 2007 13:31:09 PDT, Andrew Morton said: > > On Thu, 05 Apr 2007 13:02:59 -0400, Valdis.Kletnieks@vt.edu wrote: > > > > Am seeing an Oops 'cannot handle kernel paging request' during late > > > system startup, hand-copied traceback follows: > > > > > > avc_has_perm_noaudit+0x2bf/0x506 > > > avc_has_perm+0x2b/0x5b > > > selinux_socket_stream_connect+0x7e/0xc3 > > > unix_stream_connect+0x202/0x3f3 > > > sys_connect+0x7e/0xa4 > > > tracesys+0xde/0xe1 > > > Thanks. > > > > I'd have thought that the full trace could be captured with netconsole. > > I didn't have a second box available at first. Then I blew close to 45 > minutes trying to figure out why netconsole was totally failing to work, > before I found this in .config: > > # CONFIG_NETCONSOLE is not set > > "Do'h!" -- H. Simpson > > Unfortunately, defining netconsole caused NETPOLL to be defined, which caused > a recompile of half the known world, and the symptoms of the crash moved. > > Film at 11, once I figure out what's going on, and fix the testbed in my > office so I can actually catch this sucker - I may have to string a serial > cable. One solid good data point: > > 21-rc5 with only the -mm4 'origin.patch' applied is OK, so whatever the > issue is, it's not in Linus's tree. > Oh well. If it's all too much fuss, feel free to send the .config. If it happens on my machine(s) I can bisect it real quick.