From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751448AbZHSAXF (ORCPT ); Tue, 18 Aug 2009 20:23:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750837AbZHSAXE (ORCPT ); Tue, 18 Aug 2009 20:23:04 -0400 Received: from mail-px0-f196.google.com ([209.85.216.196]:36528 "EHLO mail-px0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750756AbZHSAXC (ORCPT ); Tue, 18 Aug 2009 20:23:02 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=I0VGpaLVqQQB7SyIEzGSewlyPqg4YOGQ2/9Ay9tkz2zhMJlN+hqaxA6dvzzuTe/vOi IrtmfK74RZg4s+zHlHUwB1QtokWyaZWRPiy38m2IPhOCYSQ3+N2TjJVzkvvHiAfseHBM O50b0w4U31SNS20tfNB4ZIHYMjTbtwWNsjt/o= Message-ID: <4A8B4607.6090303@gmail.com> Date: Tue, 18 Aug 2009 17:23:35 -0700 From: "Justin P. Mattock" User-Agent: Spicebird/0.7.1 (X11; 2009031304) MIME-Version: 1.0 To: Steven Rostedt CC: Frederic Weisbecker , Linux Kernel Mailing List Subject: Re: system gets stuck in a lock during boot References: <4A84345D.60506@gmail.com> <20090818104905.GC5231@nowhere> <20090818160911.GA21243@goodmis.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Steven Rostedt wrote: > On Tue, 18 Aug 2009, Justin Mattock wrote: > > >> On Tue, Aug 18, 2009 at 9:09 AM, Steven Rostedt wrote: >> >>> On Tue, Aug 18, 2009 at 12:49:06PM +0200, Frederic Weisbecker wrote: >>> >>>> On Thu, Aug 13, 2009 at 08:42:21AM -0700, Justin P. Mattock wrote: >>>> >>>>> I posted already and had no reply, >>>>> I cannot boot my system with the latest git >>>>> >>>>> seems to be stuck in some lock: >>>>> > > BTW, it does not look like it got stuck in a lock. The backtrace shows > that it paniced inside event_create_dir due to a bad pointer. > > >>>>> [ 0.655640] [] panic+0x84/0x129 >>>>> [ 0.655883] [] do_exit+0x84/0x67e >>>>> [ 0.656125] [] oops_end+0x9c/0xb7 >>>>> [ 0.656368] [] no_context+0x200/0x223 >>>>> [ 0.656611] [] ? __mutex_lock_slowpath+0x226/0x249 >>>>> [ 0.656848] [] __bad_area_nosemaphore+0x1a7/0x1e1 >>>>> [ 0.657097] []? mutex_unlock+0x1c/0x32 >>>>> [ 0.657097] [] ? inode_doinit_with_dentry+0x533/0x5be >>>>> [ 0.657579] [] ? _spin_unlock+0x1c/0x32 >>>>> [ 0.657822] [] bad_area_nosemaphore+0x2a/0x40 >>>>> [ 0.658066] [] ? selinux_d_instantiate+0x2a/0x40 >>>>> [ 0.658309] [] do_page_fault+0x192/0x2dd >>>>> [ 0.658549] [] page_fault+0x1f/0x30 >>>>> [ 0.658791] [] ? strcmp+0x17/0x46 >>>>> [ 0.659040] [] event_create_dir+0x49/0x37b >>>>> >>>> >>>> Ouch... >>>> >>>> I've never seen such panic. Could you send me your config, hopefully >>>> I could reproduce it? >>>> >>> Send me the config too please. >>> >>> -- Steve >>> >>> >>> >> yeah this happens with rc6 but not with rc5. >> >> The system is a linux from scratch build >> x86_64 I used these flags for building everything: >> >> CFLAGS=" -m64 -mtune=core2 -march=core2 -mfpmath=both -O2 -pipe >> -fomit-frame-pointer -fstack-protector" CXXFLAGS="${CFLAGS}" MAKEOPTS="{-j3}" >> >> also: I have a macbook(not x86_64) that is running rc6 that seems >> to be fine.(I can double check). >> >> attached is .config, dmesg as well. >> > > BTW, how did you get the dmesg? Is it from a clean boot? > > Since it works fine in -rc5 but breaks in -rc6, could you do a git bisect > on it? It shouldn't take too long. > > Thanks, > > -- Steve > > well grub2 sure works o.k. the new gfxload is pretty good. problem is the screen just says [Linux-bzImage etc.....] and that's it. (was hoping to make the font smaller to reveal the bug). at this point the only choice I have is to undo commits until I hit the right one. Justin P. Mattock