[Bug 93748] [r600g]OpenCL driver causes ImageMagick to segfault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93748

            Bug ID: 93748
           Summary: [r600g]OpenCL driver causes ImageMagick to segfault
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: nixscripter at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 121096
  --> https://bugs.freedesktop.org/attachment.cgi?id=121096&action=edit
Output of /usr/bin/display

If I compile ImageMagick with OpenCL support, and use the display utility to
view any image, the program segfaults before anything is rendered with the
attached LLVM error.

I'm using ImageMagick 6.2.9.6, though it has failed on several previous
versions also.

The relevant piece of source code is in magick/accelerate.c, a gigantic list of
OpenCL stuff (which I must admit I am ill-equipped to read). The function it
complains about, GenerateNoiseImage, seems to start on line 428.

I'm using LLVM r254897 from SVN, and Mesa commit 9214664 (r74971).

My card is:
Advanced Micro Devices, Inc. [AMD/ATI] Juniper PRO [Radeon HD 6750]

Please let me know if you need more information.

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