[Bug 39617] New: Radeon 5750: GPU Lock up at drivers/gpu/drm/radeon/radeon_fence.c:269

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39617

           Summary: Radeon 5750: GPU Lock up at
                    drivers/gpu/drm/radeon/radeon_fence.c:269
           Product: DRI
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: jeff.raber at gmail.com


Created an attachment (id=49664)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=49664)
dmesg output showing the lock up 

I am using the stock kernel in F15 (currently 2.6.38.8-35.fc15).  This crash
occurs anytime I try to play the game Cogs (part of "the Humble Indie Bundle 3"
[1]).

To get the game to run, I had to install a library to provide 'S3TC' support 
(aka GL_EXT_texture_compression_s3tc).  Initially, I installed S2TC [2], but
that resulted in a GPU Lockup.  I then installed "libtxc_dxtn" from the
rpmfusion-free repo, which causes the same GPU lockup.

1: http://www.humblebundle.com/
2: https://github.com/divVerent/s2tc

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