From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Rolland Subject: Re: 2.6.35-rc6+: i915: Bisected regression Date: Sun, 1 Aug 2010 15:14:09 +0200 Message-ID: <20100801151409.252be86b@tux.DEF.witbe.net> References: <201008011101.01429.thomas@m3y3r.de> <4C555DA0.6020109@s5r6.in-berlin.de> <98E20220-BFC9-4231-AEF5-EB59588E6D2F@m3y3r.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <98E20220-BFC9-4231-AEF5-EB59588E6D2F@m3y3r.de> Sender: linux-kernel-owner@vger.kernel.org To: Thomas Meyer Cc: Stefan Richter , Linux Kernel Mailing List , Zou Nan hai , Xiang Hai hao , Eric Anholt , David Airlie , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org Hello Thomas, On Sun, 1 Aug 2010 12:51:36 +0200 Thomas Meyer wrote: > Am 01.08.2010 um 13:42 schrieb Stefan Richter : > > > Thomas, on what hardware did you observe the regression? > > Is a Intel mobile express gm45 chipset. My machine has : 00:02.0 0300: 8086:2a42 (rev 07) 00:02.1 0380: 8086:2a43 (rev 07) 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) (Dell Vostro 1520, BIOS Revision A04) > > Is it suspend > > or resume that is unreliable? > suspend never finishes/hangs. and is randomly suffering from exactly the same problems... So, I've applied your hint (in i915_drv.h), rebuilt a kernel, booted, and I've now successfully managed to go thru several suspend/resume cycles without having the machine hanging while suspend ! Will check in the long term, but so far, it's a win ! Thx, Paul