From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932113AbWGCUya (ORCPT ); Mon, 3 Jul 2006 16:54:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932109AbWGCUya (ORCPT ); Mon, 3 Jul 2006 16:54:30 -0400 Received: from smtp.osdl.org ([65.172.181.4]:42653 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932115AbWGCUy3 (ORCPT ); Mon, 3 Jul 2006 16:54:29 -0400 Date: Mon, 3 Jul 2006 13:54:19 -0700 From: Andrew Morton To: Alistair John Strachan Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.17-mm6 Message-Id: <20060703135419.7c58f318.akpm@osdl.org> In-Reply-To: <200607032136.55259.s0348365@sms.ed.ac.uk> References: <20060703030355.420c7155.akpm@osdl.org> <200607032056.28556.s0348365@sms.ed.ac.uk> <20060703131752.9eaf6c9b.akpm@osdl.org> <200607032136.55259.s0348365@sms.ed.ac.uk> X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.17; 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 Mon, 3 Jul 2006 21:36:55 +0100 Alistair John Strachan wrote: > On Monday 03 July 2006 21:17, Andrew Morton wrote: > > On Mon, 3 Jul 2006 20:56:28 +0100 > > > > Alistair John Strachan wrote: > > > On Monday 03 July 2006 20:39, Andrew Morton wrote: > > > > On Mon, 3 Jul 2006 20:27:21 +0100 > > > > > > > > Alistair John Strachan wrote: > > > > > On Monday 03 July 2006 11:03, Andrew Morton wrote: > > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.1 > > > > > >7/2. 6.17 -mm6/ > > > > > > > > > > Doesn't boot reliably as an x86-64 kernel on my X2 system, 3/4 times > > > > > it oopses horribly. Is there some way to supress an oops flood so I > > > > > can get a decent picture of it with vga=extended? Right now I get two > > > > > useless oopses after the first (probably useful) one. > > > > > > > > Try adding `pause_on_oops=100000' to the kernel boot command line. > > > > > > (Trimmed Nathan) > > > > > > Helped somewhat, but I'm still missing a bit at the top. > > > > > > http://devzero.co.uk/~alistair/oops-20060703/ > > > > That is irritating. This should get us more info: > > Indeed, thanks. > > Try the same URL again, I've uploaded 3,4,5 from a couple of reboots. I still > think I'm missing something at the top, but 3 is the earliest I could snap. > Getting better. It would kinda help if pause_on_oops() was actually implemented on x86_64.. --- a/arch/x86_64/kernel/traps.c~x86_64-wire-up-oops_enter-oops_exit +++ a/arch/x86_64/kernel/traps.c @@ -551,11 +551,14 @@ void __kprobes __die(const char * str, s void die(const char * str, struct pt_regs * regs, long err) { - unsigned long flags = oops_begin(); + unsigned long flags; + oops_enter(); + flags = oops_begin(); handle_BUG(regs); __die(str, regs, err); oops_end(flags); + oops_exit(); do_exit(SIGSEGV); } _