Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965446AbXA3IMY (ORCPT ); Tue, 30 Jan 2007 03:12:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965447AbXA3IMY (ORCPT ); Tue, 30 Jan 2007 03:12:24 -0500 Received: from smtp.osdl.org ([65.172.181.24]:47785 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965446AbXA3IMX (ORCPT ); Tue, 30 Jan 2007 03:12:23 -0500 Date: Tue, 30 Jan 2007 00:12:09 -0800 From: Andrew Morton To: "Tomasz Kvarsin" Cc: "Ingo Molnar" , linux-kernel@vger.kernel.org Subject: Re: [BUG] 2.6.20-rc3-mm1: can not mount root Message-Id: <20070130001209.b716c14a.akpm@osdl.org> In-Reply-To: <5157576d0701050620l14fd0a6emdf5793c5214931a8@mail.gmail.com> References: <5157576d0701050620l14fd0a6emdf5793c5214931a8@mail.gmail.com> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; 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: 2099 Lines: 52 On Fri, 5 Jan 2007 17:20:38 +0300 "Tomasz Kvarsin" wrote: > I can not boot machine with 2.6.20-rc3-mm1 and 2.6.20-rc2-mm1. > I made binary search, patch bellow cause this bug: > $quilt top > patches/sched-improve-sched_clock-on-i686.patch > > backtrace which I got by connecting "gdb" to machine: > > _raw_spin_lock (lock=0xc06c0c60) at lib/spinlock_debug.c:108 > 108 for (i = 0; i < loops; i++) { > (gdb) bt > #0 _raw_spin_lock (lock=0xc06c0c60) at lib/spinlock_debug.c:108 > #1 0xc056ac42 in _spin_lock (lock=0xc06c0c60) at kernel/spinlock.c:182 > #2 0xc011c3bb in vprintk (fmt=0xc0649c00 "<0>BUG: spinlock %s on > CPU#%d, %s/%d\n", > args=0xc1167a84 "") at kernel/printk.c:534 > #3 0xc011c6c7 in printk (fmt=0xc0649c00 "<0>BUG: spinlock %s on > CPU#%d, %s/%d\n") > at kernel/printk.c:508 > #4 0xc027be42 in spin_bug (lock=0xc06c0c60, msg=0xc065fc00 > "recursion") at lib/spinlock_debug.c:61 > #5 0xc027c178 in _raw_spin_lock (lock=0xc06c0c60) at lib/spinlock_debug.c:79 > #6 0xc056ac42 in _spin_lock (lock=0xc06c0c60) at kernel/spinlock.c:182 > #7 0xc011c3bb in vprintk (fmt=0xc0626ed0 "<1>BUG: unable to handle > kernel paging request", > args=0xc1167b8c "") at kernel/printk.c:534 > #8 0xc011c6c7 in printk (fmt=0xc0626ed0 "<1>BUG: unable to handle > kernel paging request") > at kernel/printk.c:508 > #9 0xc0116de4 in do_page_fault (regs=0xc1167bcc, error_code=0) at > arch/i386/mm/fault.c:555 > #10 0xc056b11c in page_fault () > #11 0xc0808160 in ?? () > #12 0xc0626ed0 in kallsyms_token_index () > #13 0xc1167cac in ?? () > #14 0x00000001 in ?? () > #15 0xc0808163 in printk_buf.19225 () > #16 0xc1167c0c in ?? () > #17 0x00000000 in ?? () Tomasz, is this still happening in 2.6.20-rc6-mm3? err. We merged that patch. So perhaps 2.6.20-rc6 now crashes in the same manner? - 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/