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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 84836] New: VERDE lockup with Unigine Valley/Heaven if ARB_sample_shading is enabled
Date: Thu, 09 Oct 2014 13:21:35 +0000	[thread overview]
Message-ID: <bug-84836-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=84836

            Bug ID: 84836
           Summary: VERDE lockup with Unigine Valley/Heaven if
                    ARB_sample_shading is enabled
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: alexander@tsoy.me

Created attachment 107614
  --> https://bugs.freedesktop.org/attachment.cgi?id=107614&action=edit
dmesg output

Unigine Valley 1.0 and Heaven 4.0 cause VERDE GPU lockup when
ARB_sample_shading is enabled. With kernel 3.14.19 I got immediate lockup.
3.14.20 allows Valley and Heaven to run for up to 1 min. GPU fails to resume
after lockup, screen becomes corrupted and I need to reboot the system.

If I disable ARB_sample_shading (via env variable
MESA_EXTENSION_OVERRIDE=-GL_ARB_sample_shading) then VERDE GPU do not hang at
all (currently valley is running on my system for more than two hours without
lockups).

I also have BONAIRE GPU and it does not hang.


Software versions:

kernel-3.14.20
mesa-10.3.0
llvm-3.5
xf86-video-ati 7.4.0
libdrm-2.4.56

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             reply	other threads:[~2014-10-09 13:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-09 13:21 bugzilla-daemon [this message]
2014-10-10  2:57 ` [Bug 84836] VERDE lockup with Unigine Valley/Heaven if ARB_sample_shading is enabled bugzilla-daemon
2014-10-10  7:22 ` bugzilla-daemon
2014-10-12 13:18 ` bugzilla-daemon
2014-10-13 18:48 ` bugzilla-daemon
2014-10-15  6:28 ` bugzilla-daemon
2015-02-06 17:07 ` bugzilla-daemon
2017-07-24  0:39 ` bugzilla-daemon

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