From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 45018] [bisected] rendering regression since added support for virtual address space on cayman v11
Date: Fri, 03 Aug 2012 07:47:17 +0000 [thread overview]
Message-ID: <bug-45018-502-sp8xYYidL1@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-45018-502@http.bugs.freedesktop.org/>
https://bugs.freedesktop.org/show_bug.cgi?id=45018
--- Comment #88 from Michel Dänzer <michel@daenzer.net> 2012-08-03 07:47:17 UTC ---
(In reply to comment #86)
> So, Anthony has put a finger on something.
Yes, I think something like Anthony's patch is needed due to asynchronous GPU
processing: when the userspace driver assigns virtual address space for a new
BO, the GPU may not have finished processing command streams using previous BOs
occupying that same virtual address space.
However, the userspace driver shouldn't wait synchronously for the BO to go
idle when destroying it but should instead defer destruction (or at least the
freeing of the virtual address space) until it notices the BO has become idle.
> With Anthony's patch, I'm still able to lock the display everytime
And these lockups do not happen when not using virtual address space? Can you
provide the dmesg output of the GPU reset for such a lockup? Ideally from a
single piglit test reproducing it.
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next prev parent reply other threads:[~2012-08-03 7:47 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-21 6:00 [Bug 45018] New: [bisected] rendering regression since added support for virtual address space on cayman v11 bugzilla-daemon
2012-01-20 22:03 ` [Bug 45018] " bugzilla-daemon
2012-01-21 6:04 ` bugzilla-daemon
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2012-08-03 7:47 ` bugzilla-daemon [this message]
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2012-08-03 15:20 ` bugzilla-daemon
2012-08-03 16:54 ` bugzilla-daemon
2012-08-03 16:56 ` bugzilla-daemon
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2012-08-03 17:05 ` bugzilla-daemon
2012-08-03 19:04 ` bugzilla-daemon
2012-08-03 19:05 ` bugzilla-daemon
2012-08-03 19:44 ` bugzilla-daemon
2012-08-03 19:46 ` bugzilla-daemon
2012-08-04 2:05 ` bugzilla-daemon
2012-08-04 3:55 ` bugzilla-daemon
2012-08-04 3:56 ` [Bug 45018] [bisected] rendering regression and va conflicts " bugzilla-daemon
2012-08-05 4:29 ` bugzilla-daemon
2012-08-05 4:34 ` bugzilla-daemon
2012-08-08 10:48 ` bugzilla-daemon
2012-08-08 13:29 ` bugzilla-daemon
2012-08-09 1:38 ` bugzilla-daemon
2012-08-09 5:20 ` bugzilla-daemon
2012-08-09 14:14 ` bugzilla-daemon
2012-08-09 14:56 ` bugzilla-daemon
2012-08-09 15:24 ` bugzilla-daemon
2012-08-09 18:50 ` bugzilla-daemon
2012-08-11 4:49 ` bugzilla-daemon
2012-08-15 16:07 ` bugzilla-daemon
2012-08-16 0:38 ` bugzilla-daemon
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2012-08-16 20:10 ` bugzilla-daemon
2012-08-16 21:03 ` bugzilla-daemon
2012-08-17 3:00 ` bugzilla-daemon
2012-08-17 3:18 ` bugzilla-daemon
2012-08-17 7:26 ` bugzilla-daemon
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