From: Eric Sandeen Subject: Re: Segmentation Faults with 062508 ext4-patch-queue snapshot Date: Wed, 25 Jun 2008 23:14:10 -0500 Message-ID: <48631792.3040202@redhat.com> References: <3.0.6.32.20080625135340.02423ed8@pop.west.cox.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Mingming , "linux-ext4@vger.kernel.org" To: Gary Hawco Return-path: Received: from mx1.redhat.com ([66.187.233.31]:41583 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750715AbYFZEPR (ORCPT ); Thu, 26 Jun 2008 00:15:17 -0400 In-Reply-To: <3.0.6.32.20080625135340.02423ed8@pop.west.cox.net> Sender: linux-ext4-owner@vger.kernel.org List-ID: Gary Hawco wrote: > I redid my tests on the last few ext-patch-queue snapshots. > > The snapshot: > ext4-patch-queue-476b1104923c2228b48aee73070cddd5430b3b54.tar.gz from > 062408 @2256hrs GMT works fine. No segfaults. > > The latest snapshot: > ext4-patch-queue-b5db22ef52ed53d8e3fa978a5a29e1609c9333aa.tar.gz from > 062508 @ 0019hrs GMT causes segmentation faults whenever I do extensive > copying of small files (my Gentoo portage tree & metadata cache folders) to > another ext4dev partition set up identically and then when I make a tarball > from this copied data. > > I have been able to reproduce the segfaults consistently. Both partitions > were formatted with flex_bg & meta_bg features enabled (obviously no > resize_inodes) and are set for ordered data mode. > > I assume delalloc is enabled although ext4-patch-queue does not yet print > message saying so on boot like mballoc does. > > Any suggestions would be most appreciated. Do you get kernel messages when this happens? If so can you provide them? Thanks, -Eric