From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 100865] Unigine Heaven 4 lockups GPU in wireframe mode
Date: Fri, 28 Apr 2017 14:32:35 +0000 [thread overview]
Message-ID: <bug-100865-502-dXoj23ewb9@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-100865-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=100865
Dieter Nützel <Dieter@nuetzel-hh.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bas@basnieuwenhuizen.nl,
| |Hi-Angel@yandex.ru
--- Comment #1 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
Hello Marc,
can you please verify, that it is a _combination_ of wireframe _and_
tessellation?
I've got that for ages with r600g, RV730 (HD 4650, 1GB, AGP) and NI/Turks XT
(HD 6670, 2 GB PCIe). As 'Heaven' (UH4) start 'normally' with tessellation
enabled and 'you' press 'F2' (enable wireframe) it could result in GPU lockup.
So please start 'Heaven', press 'F3' (disable tessellation) and last press 'F2'
(enable wireframe). This 'version' works fine for me. It seems to be a
combination of both. But my systems mostly recover from the GPU lockup.
W'll try to get a new backtrace, soon.
Tessellation is so awfully _slow_ (hardware or 'only' software implemantation)
that I think we have to look/point, there.
Bas (Radv) worked on radeonsi tessellation improvements.
See related links:
https://www.phoronix.com/scan.php?page=news_item&px=R600g-Tessellation-Lands
https://www.phoronix.com/scan.php?page=news_item&px=RadeonSI-Tess-G3D-Benchmarks
Second:
I ran all the time with MESA_GL_VERSION_OVERRIDE=4.1COMPAT and 'Heaven' show
display corruption (missing parts), but wireframe works. If I toggle
tessellation (F3) missing parts arise but without tessellation, as expected.
So for 'Heaven' I have to disable MESA_GL_VERSION_OVERRIDE and get the above
boom (GPU lockup).
=> tessellation / wireframe correlation
'All' old and Mesa git, Kernel 4.11-rc8 (and former)
Greetings,
Dieter
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next prev parent reply other threads:[~2017-04-28 14:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-28 11:46 [Bug 100865] Unigine Heaven 4 lockups GPU in wireframe mode bugzilla-daemon
2017-04-28 14:32 ` bugzilla-daemon [this message]
2017-04-29 10:04 ` bugzilla-daemon
2017-04-29 16:54 ` bugzilla-daemon
2019-09-18 19:23 ` bugzilla-daemon
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