From: "Aneesh Kumar K.V" Subject: Re: Problem with fsstress on powerpc Date: Wed, 9 Apr 2008 13:51:15 +0530 Message-ID: <20080409082115.GA8238@skywalker> References: <20080408152455.GA10827@skywalker> <20080409074457.GB944@dmon-lap.sw.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Eric Sandeen , Mingming Cao , ext4 development To: Dmitri Monakhov Return-path: Received: from E23SMTP02.au.ibm.com ([202.81.18.163]:40140 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750996AbYDIIVb (ORCPT ); Wed, 9 Apr 2008 04:21:31 -0400 Received: from sd0109e.au.ibm.com (d23rh905.au.ibm.com [202.81.18.225]) by e23smtp02.au.ibm.com (8.13.1/8.13.1) with ESMTP id m398LWq3017611 for ; Wed, 9 Apr 2008 18:21:32 +1000 Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by sd0109e.au.ibm.com (8.13.8/8.13.8/NCO v8.7) with ESMTP id m398PKCJ276874 for ; Wed, 9 Apr 2008 18:25:20 +1000 Received: from d23av03.au.ibm.com (loopback [127.0.0.1]) by d23av03.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m398LZZa022369 for ; Wed, 9 Apr 2008 18:21:36 +1000 Content-Disposition: inline In-Reply-To: <20080409074457.GB944@dmon-lap.sw.ru> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, Apr 09, 2008 at 11:44:57AM +0400, Dmitri Monakhov wrote: > On 20:54 Tue 08 Apr , Aneesh Kumar K.V wrote: > > Hi All, > > > > Test case: fsstress with fallocate test case added. > This may happens because of direct write. > Please add exact fsstess command and options. > > fsstress -c -n1000 -p1000 -d /mnt/tmp/ What i found was also related. The file which had errors had the below operations on them. 82/901: dread d16/d20/d22/d2d/d63/d68/d9a/f93 [622592,53248] 0 82/939: dwrite d16/d20/d22/d2d/d63/d68/d9a/f93 [1093632,77824] 28 9/863: fallocate d1/d2d/d32/d8f/d97/d108/d9b/ffb [2041,75851] 28 18/733: fallocate d9/ddd/f86 [481025,18486] 0 18/735: dwrite d9/ddd/f86 [679936,36864] 0 18/764: dread d9/ddd/f86 [53248,8192] 0 18/910: dwrite d9/ddd/f86 [1454080,4096] 28 18/999: dwrite d9/ddd/f86 [1798144,61440] 28 But what would happen during direct write that cause this ? -aneesh