[Bug 102009] Blender crashes when compiling OpenCL kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102009

            Bug ID: 102009
           Summary: Blender crashes when compiling OpenCL kernel
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: mw at graph-ix.net
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 133182
  --> https://bugs.freedesktop.org/attachment.cgi?id=133182&action=edit
Blender crash dump

On Ubuntu 17.04 with a AMD Radeon R9 380 (Tonga Pro chipset), daily Mesa from
Padoka PPA (version 1:17.3~git170731230100.df61a05~z~padoka0), both Blender
2.78 and 2.79 daily build (09eac0159db) crash when the OpenCL kernel is
compiled for GPU rendering.


Steps to reproduce:
1. Start Blender with `CYCLES_OPENCL_SPLIT_KERNEL_TEST=1 ./blender` due to
missing detection of OpenCL support (probably due to #101594).
2. Under Render settings, switch `Device` to `GPU Compute` and assert this
setting is actually used.
3. Start a render and assert the OpenCL kernel is compiled.

Actual behavior:
* Blender crashes during kernel compilation (crash dump of 2.79 build is
attached).

Expected behavior:
* Blender renders with OpenCL.

Addtional info:
* `clinfo` and `glxinfo` output is attached as well.

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