From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lutomirski <luto@mit.edu>
Subject: Re: [PATCH] drm/i915: Revert i915.semaphore=1 default
 from 47ae63e0
Date: Wed, 31 Aug 2011 14:30:00 -0400
Message-ID: <CAObL_7ECAxd_icqqDtpbgF_Ohp+4yV+FrDVR9tKw7Ts0frcF9g@mail.gmail.com>
References: <BANLkTikjUQWgveWjoR=uPO5UQXkTTysxng@mail.gmail.com>
	<efc5a05bb650e18fb9fb6976d0f8a999536e38f0.1305303009.git.luto@mit.edu>
	<yunsjsazcop.fsf@aiko.keithp.com>
	<BANLkTi=wYLDp=jhznzcaBofAmMTHkV2fvA@mail.gmail.com>
	<87ipsiglms.fsf@eliezer.anholt.net>
	<BANLkTimk=HmdN7HGkV5+0hj4VUq2eO=crw@mail.gmail.com>
	<20110822095311.5c3d7a34@jbarnes-desktop>
Mime-Version: 1.0
Content-Type: multipart/mixed; boundary="===============2077867955=="
Return-path: <intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org>
Received: from mail-pz0-f44.google.com (mail-pz0-f44.google.com
	[209.85.210.44])
	by gabe.freedesktop.org (Postfix) with ESMTP id 2B64D9E710
	for <intel-gfx@lists.freedesktop.org>;
	Wed, 31 Aug 2011 11:30:01 -0700 (PDT)
Received: by pzk36 with SMTP id 36so1779792pzk.3
	for <intel-gfx@lists.freedesktop.org>;
	Wed, 31 Aug 2011 11:30:01 -0700 (PDT)
In-Reply-To: <20110822095311.5c3d7a34@jbarnes-desktop>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
	<mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
	<mailto:intel-gfx-request@lists.freedesktop.org?subject=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: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

--===============2077867955==
Content-Type: multipart/alternative; boundary=bcaec5215d3feb274d04abd15083

--bcaec5215d3feb274d04abd15083
Content-Type: text/plain; charset=ISO-8859-1

On Mon, Aug 22, 2011 at 12:53 PM, Jesse Barnes <jbarnes@virtuousgeek.org>
wrote:
> On Fri, 10 Jun 2011 10:06:39 -0400
> Andrew Lutomirski <luto@mit.edu> wrote:
>
>> On Tue, Jun 7, 2011 at 3:12 AM, Eric Anholt <eric@anholt.net> wrote:
>> > I fear this bug is just "getting more asynchronous with the GPU means
we
>> > trigger race conditions on the GPU more easily."  On that note, could
>> > you retest with Mesa as of this commit, since I'm told this is a GT1
CPU:
>> >
>> > commit ef59049c5242a1be7fa59a182d342191185dd62b
>> > Author: Eric Anholt <eric@anholt.net>
>> > Date:   Sun Jun 5 23:20:57 2011 -0700
>> >
>> >    i965: Fix flipped GT1 vs GT2 URB VS entry count limits.
>> >
>>
>> Nope -- I still got the reset-button-not-working hang.
>>
>> I'm pretty sure I installed mesa right -- I moved everything in
>> /usr/lib64/dri out of the way and put the files in mesa/lib/ in there.
>
> Andrew, what's the latest with this?  Are you still seeing problems
> when semaphores are enabled?

Yes. On the latest -rc, the system still freezes hard when mutter starts up
if I set i915.semaphores=1.

[I typed this email last week but apparently it got stuck as a draft.
Sorry.]

--Andy

--bcaec5215d3feb274d04abd15083
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<p>On Mon, Aug 22, 2011 at 12:53 PM, Jesse Barnes &lt;<a href=3D"mailto:jba=
rnes@virtuousgeek.org">jbarnes@virtuousgeek.org</a>&gt; wrote:<br>
&gt; On Fri, 10 Jun 2011 10:06:39 -0400<br>
&gt; Andrew Lutomirski &lt;<a href=3D"mailto:luto@mit.edu">luto@mit.edu</a>=
&gt; wrote:<br>
&gt;<br>
&gt;&gt; On Tue, Jun 7, 2011 at 3:12 AM, Eric Anholt &lt;<a href=3D"mailto:=
eric@anholt.net">eric@anholt.net</a>&gt; wrote:<br>
&gt;&gt; &gt; I fear this bug is just &quot;getting more asynchronous with =
the GPU means we<br>
&gt;&gt; &gt; trigger race conditions on the GPU more easily.&quot; =A0On t=
hat note, could<br>
&gt;&gt; &gt; you retest with Mesa as of this commit, since I&#39;m told th=
is is a GT1 CPU:<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; commit ef59049c5242a1be7fa59a182d342191185dd62b<br>
&gt;&gt; &gt; Author: Eric Anholt &lt;<a href=3D"mailto:eric@anholt.net">er=
ic@anholt.net</a>&gt;<br>
&gt;&gt; &gt; Date: =A0 Sun Jun 5 23:20:57 2011 -0700<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; =A0 =A0i965: Fix flipped GT1 vs GT2 URB VS entry count limits=
.<br>
&gt;&gt; &gt;<br>
&gt;&gt;<br>
&gt;&gt; Nope -- I still got the reset-button-not-working hang.<br>
&gt;&gt;<br>
&gt;&gt; I&#39;m pretty sure I installed mesa right -- I moved everything i=
n<br>
&gt;&gt; /usr/lib64/dri out of the way and put the files in mesa/lib/ in th=
ere.<br>
&gt;<br>
&gt; Andrew, what&#39;s the latest with this? =A0Are you still seeing probl=
ems<br>
&gt; when semaphores are enabled?</p>
<p>Yes. On the latest -rc, the system still freezes hard when mutter starts=
 up if I set i915.semaphores=3D1.</p>
<p>[I typed this email last week but apparently it got stuck as a draft.=A0=
 Sorry.]</p>
<p>--Andy</p>

--bcaec5215d3feb274d04abd15083--

--===============2077867955==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

--===============2077867955==--