From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nicolas Pitre Subject: Re: sata_mv on Orion: mv_err_intr when shutting down Date: Fri, 13 Jun 2008 15:31:47 -0400 (EDT) Message-ID: References: <20080512132611.GA15410@deprecation.cyrius.com> <200806131812.38055.elendil@planet.nl> <4852A6D0.8030607@rtr.ca> <200806131910.40516.elendil@planet.nl> <4852C865.4080704@rtr.ca> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from relais.videotron.ca ([24.201.245.36]:49023 "EHLO relais.videotron.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751117AbYFMTb5 (ORCPT ); Fri, 13 Jun 2008 15:31:57 -0400 Received: from xanadu.home ([66.131.194.97]) by VL-MO-MR004.ip.videotron.ca (Sun Java(tm) System Messaging Server 6.3-4.01 (built Aug 3 2007; 32bit)) with ESMTP id <0K2F00C7428ZY290@VL-MO-MR004.ip.videotron.ca> for linux-ide@vger.kernel.org; Fri, 13 Jun 2008 15:31:47 -0400 (EDT) In-reply-to: <4852C865.4080704@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Frans Pop , Tejun Heo , linux-ide@vger.kernel.org, Lennert Buytenhek , Byron Bradley On Fri, 13 Jun 2008, Mark Lord wrote: > Nicolas Pitre wrote: > .. > > FWIW, I also see that partial "exception Emask"message whenever power to the > > device is abruptly removed. > .. > > Well, yes, you should see it. That's what it is telling us ("power lost"). > > It's just kind of odd (but thus far harmless) to also see it at shutdown. > This indicates that the drive is being powered off > before the CPU is powered off -- perhaps a peculiarity of the platform ? It is well possible that the CPU is able to survive a few additional milliseconds on thin air after main power is out. Nicolas