[Bug 96444] GRID Autosport crash on loading race

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96444

--- Comment #15 from Adam Lyall <magicmyth at magicmyth.com> ---
Just confirming I've had the same issue on my R9 270x for at least the last 3
weeks using Padoka PPA. I checked out older commits but none worked so when I
saw this report and the mention about LLVM I've built the latest Mesa and LLVM
but Grid Autosport still crashes just as a race is about to load.

Some bits of glxinfo:
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: X.Org (0x1002)
    Device: AMD PITCAIRN (DRM 2.43.0 / 4.6.0-040600rc6-generic, LLVM 3.9.0)
(0x6810)
    Version: 12.1.0
    Accelerated: yes
    Video memory: 2048MB
    Unified memory: no
    Preferred profile: core (0x1)
    Max core profile version: 4.2
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.0
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD PITCAIRN (DRM 2.43.0 /
4.6.0-040600rc6-generic, LLVM 3.9.0)
OpenGL core profile version string: 4.2 (Core Profile) Mesa 12.1.0-devel
(git-9ee3f09)
OpenGL core profile shading language version string: 4.20
---
OpenGL version string: 3.0 Mesa 12.1.0-devel (git-9ee3f09)
OpenGL shading language version string: 1.30

This is my first time building LLVM so hopefully I got it right? How does one
confirm what LLVM files Radeonsi has linked to? I know 3.9 is mentioned above
but I'm not sure if that is the version from the package repository.

Next I built against LLVM 3.8 and it worked! The race loaded and played just
fine. It did crash at the end of the race (after the driver listings) but that
could just be a bug in Grid itself (it is quite buggy on both Windows and
Linux).

I was away from this machine for a month and the last time I recall it working
with Grid (via the Padoka PPA) was around the end of April. I don't know what
version of LLVM 3.9svn was in use at that time.

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