From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 31CB07F37 for ; Wed, 10 Jul 2013 22:47:30 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 1DA4D304075 for ; Wed, 10 Jul 2013 20:47:30 -0700 (PDT) Received: from mail.ud10.udmedia.de (ud10.udmedia.de [194.117.254.50]) by cuda.sgi.com with ESMTP id 7yoUhg3WWPzbSYjN (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 10 Jul 2013 20:47:20 -0700 (PDT) Date: Thu, 11 Jul 2013 05:47:18 +0200 From: Markus Trippelsdorf Subject: Re: Corruption of root fs during git bisect of drm system hang Message-ID: <20130711034718.GC362@x4> References: <20130710090634.GA356@x4> <51DDFE44.9000606@hardwarefreak.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <51DDFE44.9000606@hardwarefreak.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Stan Hoeppner Cc: xfs@oss.sgi.com On 2013.07.10 at 19:37 -0500, Stan Hoeppner wrote: > On 7/10/2013 4:06 AM, Markus Trippelsdorf wrote: > > While bisecting a system hang, caused by the drm gpu subsystem, my root fs got > > corrupted: > ... > > My root fs lives on a small SSD: > > > > /dev/root on / type xfs (rw,relatime,attr2,inode64,logbsize=256k,noquota) > > /dev/root xfs 30G 15G 16G 50% / > > Does your SSD honor barriers and cache flushes? Yes, I hope so: Enabled Supported: ... * Mandatory FLUSH_CACHE * FLUSH_CACHE_EXT But please note that the system hang mentioned above turned out to be a locking problem. So the SSD had plenty of time to process any out- standing commands before reboot. -- Markus _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs