[Nouveau] [Bug 71116] [NV34] libdrm built with gcc4.8 causes crashes/lockups

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71116

Emil Velikov <emil.l.velikov at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[Ubuntu userspace upgrade   |[NV34] libdrm built with
                   |13.04 -> 13.10][regression] |gcc4.8 causes
                   |NV34 card fails to properly |crashes/lockups
                   |resume.                     |

--- Comment #17 from Emil Velikov <emil.l.velikov at gmail.com> ---
Ronald all the thanks goes to the Andreas Radke (Arch developer) for finding
and bisecting the issue. FWIW Arch has been using clang for ~3 months to build
libdrm and it seems to work great.

Ideally one of the Ubuntu/GCC devs can take a look and provide more bit more
clarity than
"This hints at something depending on undefined evaluation order between
sequence points" [1]

Would that be an issue with nouveau code, gcc and/or both will hopefully be
determined soon.

Cheers
Emil
[1] http://gcc.gnu.org/ml/gcc-help/2013-07/msg00151.html

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