From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: MD/RAID time out writing superblock Date: Thu, 17 Sep 2009 09:32:45 -0400 Message-ID: <4AB23A7D.4050102@rtr.ca> References: <4A9BBC4A.6070708@redhat.com> <4A9BC023.10903@kernel.org> <20090907114442.GG18831@arachsys.com> <20090907115927.GU8710@arachsys.com> <20090909120218.GB21829@arachsys.com> <4AADF3C4.5060004@kernel.org> <4AADF471.2020801@suse.de> <4AAE3B9A.2060306@rtr.ca> <4AAE3F86.8090804@suse.de> <4AAE524C.2030401@rtr.ca> <20090916231921.GL1924@arachsys.com> <4AB239C8.2020203@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([76.10.145.34]:57334 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753398AbZIQNcm (ORCPT ); Thu, 17 Sep 2009 09:32:42 -0400 In-Reply-To: <4AB239C8.2020203@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Chris Webb Cc: Tejun Heo , linux-scsi@vger.kernel.org, Ric Wheeler , Andrei Tanas , NeilBrown , linux-kernel@vger.kernel.org, IDE/ATA development list , Jeff Garzik , Mark Lord Mark Lord wrote: > > Is this still happening from time to time now? > If so, disable the smartmontools daemon (smartd) and see if the problem > goes away. > And especially disable hddtemp (which issues SMART commands) if that is > also around. > > It would be good to discover if those are the triggers for what's > happening here. .. Ah.. I've just now read your other recent posting, so no need to answer again here. > Tejun.. do we do a FLUSH CACHE before issuing a non-NCQ command ? > If not, then I think we may need to add code to do it.