Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262169AbVD1QsM (ORCPT ); Thu, 28 Apr 2005 12:48:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262174AbVD1QsM (ORCPT ); Thu, 28 Apr 2005 12:48:12 -0400 Received: from fire.osdl.org ([65.172.181.4]:2974 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S262169AbVD1Qro (ORCPT ); Thu, 28 Apr 2005 12:47:44 -0400 Date: Thu, 28 Apr 2005 09:47:21 -0700 From: "Randy.Dunlap" To: coywolf@lovecn.org Cc: coywolf@gmail.com, ruben@puettmann.net, linux-kernel@vger.kernel.org, ak@suse.de Subject: Re: 2.6.11.7 kernel panic on boot on AMD64 Message-Id: <20050428094721.4499f861.rddunlap@osdl.org> In-Reply-To: <2cd57c90050428093851785879@mail.gmail.com> References: <20050427140342.GG10685@puettmann.net> <20050427152704.632a9317.rddunlap@osdl.org> <20050428090539.GA18972@puettmann.net> <20050428084313.1e69f59d.rddunlap@osdl.org> <2cd57c90050428093851785879@mail.gmail.com> Organization: OSDL X-Mailer: Sylpheed version 1.0.0 (GTK+ 1.2.10; x86_64-unknown-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 Content-Length: 2132 Lines: 62 On Fri, 29 Apr 2005 00:38:24 +0800 Coywolf Qi Hunt wrote: > On 4/28/05, Randy.Dunlap wrote: > > On Thu, 28 Apr 2005 11:05:40 +0200 > > Ruben Puettmann wrote: > > > > > On Wed, Apr 27, 2005 at 03:27:04PM -0700, Randy.Dunlap wrote: > > > Looks like this code in init/main.c: > > > > > > > > if (late_time_init) > > > > late_time_init(); > > > > > > > > sees a garbage value in late_time_init (garbage being > > > > %eax == 0x00307974.743d656c, which is "le=tty0\n", > > > > as in "console=tty0"). > > > > > > > > How long is your kernel boot/command line? > > > > Please post it. > > > > > > It was boot over pxe here is the append line from the > > > pxelinux.cfg/default > > > > > > APPEND vga=normal rw load_ramdisk=0 root=/dev/nfs nfsroot=192.168.112.1:/store/rescue/sarge-amd64,rsize=8192,wsize=8192,timo=12,retrans=3,mountvers=3,nfsvers=3 > > > > Hm, no "console=tty...." at all. That didn't help (me) much. > > Could that boot loader pxe append console=tty implicitly? It could... I don't know anything about pxe boot. > >From the vmlinux Ruben gave me, > ffffffff807980d8 A __bss_start > ffffffff807980d8 A _edata > ffffffff80798100 B boot_cpu_stack > ffffffff8079c100 B boot_exception_stacks > ffffffff807a1100 B system_state > ffffffff807a1120 B saved_command_line > ffffffff807a1220 B late_time_init > ffffffff807a1228 b execute_command > ffffffff807a1230 b panic_later > ffffffff807a1238 b panic_param > ... > > It seems possible to luckily skip the garbage. Comment out the two > lines and see if it works. > > /* if (late_time_init) > late_time_init(); */ Yes, that would help verify that the command line is the problem. I also recall Andi having a few problems with large command lines on x86-64... so it still smells like that to me. (ak added to cc:) --- ~Randy - 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/