From: Keith Packard <keithp@keithp.com>
To: Andrew Lutomirski <luto@mit.edu>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0
Date: Tue, 24 May 2011 11:46:07 -0600 [thread overview]
Message-ID: <yun8vtwq9eo.fsf@aiko.keithp.com> (raw)
In-Reply-To: <BANLkTim6hVTes8GJiPm4rZVxu4fy1L5CCA@mail.gmail.com>
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On Tue, 24 May 2011 13:10:27 -0400, Andrew Lutomirski <luto@mit.edu> wrote:
> I'm getting hangs on my X220 Core i7 laptop as well with 2.6.39 and
> i915.semaphores=1. They're not as reliable -- sometimes the system
> hangs on log in, sometimes after a few seconds, and sometimes it
> doesn't hang.
That's consistent with our theory at least -- lockups caused by GPU/CPU
interactions, which occur far more often with semaphores disabled, but
still occur with semaphores enabled.
We're working on it...
--
keith.packard@intel.com
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next prev parent reply other threads:[~2011-05-24 17:46 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-13 5:38 [2.6.39 regression] hard lock when GNOME starts Andrew Lutomirski
2011-05-13 16:07 ` Andrew Lutomirski
2011-05-13 16:14 ` [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0 Andy Lutomirski
2011-05-15 23:09 ` Keith Packard
2011-05-19 19:56 ` Keith Packard
2011-05-19 20:50 ` Andrew Lutomirski
2011-05-24 17:10 ` Andrew Lutomirski
2011-05-24 17:46 ` Keith Packard [this message]
2011-05-24 20:05 ` Ivan Bulatovic
2011-06-07 7:12 ` Eric Anholt
2011-06-10 14:06 ` Andrew Lutomirski
2011-08-22 16:53 ` Jesse Barnes
2011-08-31 18:24 ` Ben Widawsky
2011-08-31 18:30 ` Andrew Lutomirski
2011-08-31 19:07 ` Keith Packard
2011-08-31 19:37 ` Andrew Lutomirski
2011-09-26 17:59 ` [PATCH] drm/i915: kicking rings considered harmful Daniel Vetter
2011-09-26 19:07 ` Andrew Lutomirski
2011-09-27 9:57 ` Daniel Vetter
2011-09-27 5:22 ` Ben Widawsky
2011-09-27 10:03 ` Daniel Vetter
2011-09-27 16:46 ` Ben Widawsky
2011-09-27 17:31 ` Chris Wilson
2011-09-27 18:03 ` Daniel Vetter
2011-09-27 19:38 ` Ben Widawsky
2011-09-27 21:54 ` Chris Wilson
2011-09-28 1:34 ` Ben Widawsky
2011-09-28 8:47 ` Chris Wilson
2011-09-28 8:53 ` Daniel Vetter
2011-10-03 20:21 ` Andrew Lutomirski
2011-10-03 21:02 ` Daniel Vetter
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