From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Ted Phelps <phelps@gnusto.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: gen6 (SNB) GPU still stalling besides latest patches
Date: Mon, 20 Jun 2011 17:19:29 -0700 [thread overview]
Message-ID: <20110620171929.6eefc45b@jbarnes-desktop> (raw)
In-Reply-To: <6606.1308614495@orpheus.gnusto.com>
On Tue, 21 Jun 2011 10:01:35 +1000
Ted Phelps <phelps@gnusto.com> wrote:
>
> Hi Nicolas,
>
> Nicolas Kalkhof writes:
> > SNB GPU still hangs frequently with kernel patches next-20110620
> > raising "drm:i915_hangcheck_ring_idle *ERROR* Hangcheck timer
> > elapsed... gen6 bsd ring idle". This happens when multiple
> > applications (mplayer decoding vaapi stream and some openGL game)
> > running at the same time. With either one running there is no
> > stalling. Could someone please confirm the issue?
> >
> > /sys/module/i915/parameters/semaphores is set to 0
> > xf86-video-intel compiled with --enable-sna
>
> I haven't tried SNA, but I've seen GPU hangs as well (SNB 2600K). I've
> found that disabling RC6 (enable_rc6=0) seems to help. Can you see if
> that helps?
>
> [Note to self: submit a bug report]
Please do; and please try to confirm that your GPU hangs are really rc6
related. RC6 provides a huge (multiple Watt) power savings, and we
really want it to be robust.
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2011-06-21 0:19 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-20 18:52 gen6 (SNB) GPU still stalling besides latest patches Nicolas Kalkhof
2011-06-21 0:01 ` Ted Phelps
2011-06-21 0:19 ` Jesse Barnes [this message]
2011-06-22 12:46 ` Ted Phelps
-- strict thread matches above, loose matches on Subject: below --
2011-06-21 5:59 Nicolas Kalkhof
2011-06-21 16:01 Nicolas Kalkhof
[not found] <935206610.2954520.1308635833489.JavaMail.fmail@mwmweb001>
2011-06-21 16:06 ` Jesse Barnes
2011-06-21 16:12 Nicolas Kalkhof
2011-06-21 16:55 ` Jesse Barnes
2011-06-21 17:41 Nicolas Kalkhof
2011-06-21 18:18 ` Chris Wilson
2011-06-21 18:24 ` Andrew Lutomirski
2011-06-21 18:38 Nicolas Kalkhof
2011-06-21 19:11 ` Chris Wilson
2011-06-21 19:16 ` Andrew Lutomirski
2011-06-21 19:33 ` Chris Wilson
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