From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: Another GPU hang Date: Sun, 22 May 2011 09:02:43 +0100 Message-ID: <382e69$d48dej@azsmga001.ch.intel.com> References: <20110521210810.GA20220@laptop.local> <20110521224701.GA3423@laptop.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga14.intel.com (mga14.intel.com [143.182.124.37]) by gabe.freedesktop.org (Postfix) with ESMTP id 2EF7C9E778 for ; Sun, 22 May 2011 01:02:48 -0700 (PDT) In-Reply-To: <20110521224701.GA3423@laptop.local> 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: Dmitry Nezhevenko Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Sun, 22 May 2011 01:47:01 +0300, Dmitry Nezhevenko wrote: > I've just tried to reproduce it again. It looks like I'm unable to do it when > external display (DVI connected via DMI->HDMI cable) is turned off via xrandr. > > However if display is active (LVDS turned off and HDMI1 active) it was > easy enough to reproduce this by just playing with HDMI connector. So > after 5-6 attempts to plug/unplug monitor I've got hung again: Ok, and I just got another bug (37450) which makes me think that, at least, part of this problem is due to the stale DPMS values. (We depend upon the DPMS state for not feeding WAITs onto a disabled pipe). https://bugzilla.kernel.org/show_bug.cgi?id=24982 -Chris -- Chris Wilson, Intel Open Source Technology Centre