From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: Memory corruption on hibernate/thaw with KMS Date: Mon, 10 Oct 2011 09:53:06 +0200 Message-ID: <20111010075306.GC3021@phenom.ffwll.local> References: <1317103928.1981.5.camel@shrek.rexursive.com> <1318230907.2019.4.camel@shrek.rexursive.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wy0-f177.google.com (mail-wy0-f177.google.com [74.125.82.177]) by gabe.freedesktop.org (Postfix) with ESMTP id A0A8B9E709 for ; Mon, 10 Oct 2011 00:52:27 -0700 (PDT) Received: by wyi11 with SMTP id 11so7335006wyi.36 for ; Mon, 10 Oct 2011 00:52:26 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1318230907.2019.4.camel@shrek.rexursive.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Bojan Smojver Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Mon, Oct 10, 2011 at 06:15:06PM +1100, Bojan Smojver wrote: > On Tue, 2011-09-27 at 16:12 +1000, Bojan Smojver wrote: > > I can confirm that as of kernel 3.1.0-rc7 this is still a problem. > > Just tried some hibernation loops with 3.1.0-rc9+ and got a hang caused > by one of the GPU threads being busy (claimed that GPU was busy). When I > tried the same with nomodeset, I could hibernate/thaw 5 times in a row > just fine. > > Will try some more tests, just to confirm whether memory corruption > thing is still present. Can you try the patch attached to fdo #40241, i.e. https://bugs.freedesktop.org/attachment.cgi?id=50648 I think I have an idea what's going wrong here. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48