From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: sata_mv on Orion: mv_err_intr when shutting down Date: Sun, 15 Jun 2008 09:44:55 -0400 Message-ID: <48551CD7.8020303@rtr.ca> References: <20080512132611.GA15410@deprecation.cyrius.com> <4852A6D0.8030607@rtr.ca> <48547BD9.8050306@gmail.com> <200806151141.52326.elendil@planet.nl> 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]:1232 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757526AbYFONpB (ORCPT ); Sun, 15 Jun 2008 09:45:01 -0400 In-Reply-To: <200806151141.52326.elendil@planet.nl> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Frans Pop Cc: Tejun Heo , linux-ide@vger.kernel.org, nico@cam.org, buytenh@wantstofly.org, Byron Bradley Frans Pop wrote: > On Sunday 15 June 2008, Tejun Heo wrote: >> The interesting thing here is that sata_mv can see the disk going off >> the power, which is kind of cool. The controller and CPU are watching >> itself as it goes off the life support and is drifting awaaaaaayyyy. >> >> The PSU has switched off and power to the drive was cut. I don't think >> anything can go wrong at that point. > > What I still find most interesting is that with 2.6.25 the extra > message(s) do not appear and the poweroff is "clean". And that it affects > 2 different systems where one seems to live on just a bit longer than the > other. So it does look as if something _has_ changed. > > I'll probably do a bisect to see if I can discover what/where/why... .. Sure, go for it. But I think that you will simply discover that, the sata_mv driver now actually correctly detects/reports most errors, which it didn't necessarily do in the past. There were lots of EH bugfixes in sata_mv this time around. Cheers