From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161598Ab2CSRVh (ORCPT ); Mon, 19 Mar 2012 13:21:37 -0400 Received: from home.keithp.com ([63.227.221.253]:59673 "EHLO keithp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932291Ab2CSRVf (ORCPT ); Mon, 19 Mar 2012 13:21:35 -0400 From: Keith Packard To: Stanislaw Gruszka , dri-devel@lists.freedesktop.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, David Airlie , rjw@sisk.pl, davej@redhat.com Subject: Re: hibernate random memory corruption, workaround i915.modeset=0 In-Reply-To: <20120319145349.GG6169@redhat.com> References: <20120227124243.GG4104@redhat.com> <20120319145349.GG6169@redhat.com> User-Agent: Notmuch/0.11.1 (http://notmuchmail.org) Emacs/23.3.1 (i486-pc-linux-gnu) Date: Mon, 19 Mar 2012 10:21:28 -0700 Message-ID: <86r4wobj6v.fsf@sumi.keithp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org <#part sign=pgpmime> On Mon, 19 Mar 2012 15:53:54 +0100, Stanislaw Gruszka wrote: > Keith, is there a chance that this bug can be fixed by i915 team? Yes, I'm working on figuring out how to actually reproduce this and then work on a few work-arounds. > If not, can we disable hibernate on i915 with modeset=1 and add > module option, which enable it for those who want to risk? I'd love to know if disabling modeset on just the booting kernel helps; leaving the resuming kernel with modeset=1. I haven't been able to reproduce this locally yet to test this theory though. -- keith.packard@intel.com