From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: ahci sometimes fails to suspend controller Date: Tue, 28 Jul 2009 11:50:28 +0900 Message-ID: <4A6E6774.6030909@kernel.org> References: <20090719220423.54e8c75d@uranus> <4A683755.60909@kernel.org> <20090727140612.27d176ca@pluto-lenny.milky.way> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:46954 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752128AbZG1CsW (ORCPT ); Mon, 27 Jul 2009 22:48:22 -0400 In-Reply-To: <20090727140612.27d176ca@pluto-lenny.milky.way> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Benjamin S." Cc: Jeff Garzik , linux-ide@vger.kernel.org, Shane Huang (cc'ing Shane) Benjamin S. wrote: > On Thu, 23 Jul 2009 19:11:33 +0900 > Tejun Heo wrote: > >> Benjamin S. wrote: >>> It works great until I have suspended >>> (to ram) and resumed my system several times and then the kernel fails >>> to suspend (or maybe resume). >> Does "pci=nomsi" help? > > Thanks for your suggestion. It has an uptime of almost 4 days and had > at least 40 suspends and resumes till now. That is a good sign but > even without pci=nomsi sometimes it has taken 2 weeks until I have > got this error. Thus I want to wait another week to be sure. Shane, this is the msi pci quirk not being applied during resume, right? IIRC, the patch has been posted upstream (did I do that or did you?). Maybe it would be nice to send the patch to -stable? Oh.. the original thread is.. http://thread.gmane.org/gmane.linux.ide/41926 Thanks. -- tejun