From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ted Ts'o Subject: Re: ext4 crash on 2.6.37: NULL ptr in ext4_discard_preallocations Date: Sat, 19 Feb 2011 19:05:50 -0500 Message-ID: <20110220000550.GA8765@thunk.org> References: <4D604620.9060204@teksavvy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Linux Kernel , linux-ext4@vger.kernel.org To: Mark Lord Return-path: Received: from li9-11.members.linode.com ([67.18.176.11]:58762 "EHLO test.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751290Ab1BTAFx (ORCPT ); Sat, 19 Feb 2011 19:05:53 -0500 Content-Disposition: inline In-Reply-To: <4D604620.9060204@teksavvy.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sat, Feb 19, 2011 at 05:37:20PM -0500, Mark Lord wrote: > 32-bit x86 system, 2.6.37 SMP kernel, Core2duo, 3.3GB RAM, no swap. > > The system just suddenly switched to fbconsole and dumped a traceback. > Here's the screen-shot photo: http://rtr.ca/ext4_crash.jpg > > Is this a known bug that got fixed in 2.6.37.1 ? No, this looks like a new one. And I can't make the Code: line make sense. Can you send me the fs/ext4/mballoc.s file after running the command "make fs/ext4/mballoc.s" in your build tree where you built this kernel? Thanks!! - Ted