[Bug 68468] 9.2.0rc2 Locks Under Various Conditions (UVD, Stress)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68468

--- Comment #4 from adam777 at gmail.com ---
Well, the digging phase is over, I pretty much hit a wall.

As stated above, the general bisecting idea is clear, but I'm having problem
actually building mesa.
Here what I've done:
I downloaded the PKGBUILD and needed packages (clang-svn, llvm-svn etc.) from
Laurent Carlier's folder (an Arch developer).
I modified the PKGBUILD a bit - comment out unnecessary packages
(intel-dri-git, for example).
In order to build a specific commit, I added the following line to the build()
section:

cd ${srcdir}/mesa
git checkout 5b2855bfe79bfc3995969f2bf775d89b1bc1808a

makepkg -s was invoked later, but failed pretty soon. A bit of googling and the
blame was with bison 3.0.
Since the commit I'm trying to build is from April 11th and the bison 3.0 fix
is from July 31st and since I have no idea how to backport the bison 3.0
patches, I downgraded to bison 2.7.1 from the AUR
(https://bugs.freedesktop.org/show_bug.cgi?id=67354).

makepkg -s then got over the problematic bison part but failed again, this time
with an error related to llvm 3.4
(https://bugs.freedesktop.org/show_bug.cgi?id=64590).
Again, The fix is from May 14th (http://cgit.freedesktop.org/mesa/mesa/c …
773efbc181), so I reverted to LLVM 3.3 and modified PKGBUILD accordingly (llvm
instead of llvm-svn etc.).

This is, unfortunately, where I got stuck.
Build fails again, with an error that seems to be related to llvm 3.4, though
I'm on 3.3.
Log is here - http://pastebin.com/DwFAVKxC
PKGBUILD is here - http://pastebin.com/PwiZXVGv

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