[Mesa-dev] [Bug 57372] x11-libs/libxcb media-libs/mesa segfault in __glXGetString

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=57372

--- Comment #10 from Jon TURNEY <jon.turney at dronecode.org.uk> ---
(In reply to comment #9)
> Ok, it turns out that I can eliminate this issue in xserver 1.13.0 if I
> revert two commits:
> ed6daa15a7dcf8dba930f67401f4c1c8ca2e6fac (mentioned above)
> bcbf95b1bafa6ffe724768b9309295e2fdb4b860

Not sure if you are saying you both or either of these need to be reverted.

> Author: Jon TURNEY <jon.turney at dronecode.org.uk>
> Date:   Thu Jul 12 00:36:10 2012 +0100
> 
>     Revert bogus GlxPushProvider() in commit a1d41e3
>     
>     a1d41e3 "Move extension initialisation prototypes into extinit.h"
>     also includes a change to GlxExtensionInit to install the swrast GLX
>     provider.
>     
>     Since b86aa74 "GLX: Insert swrast provider from GlxExtensionInit"
>     already does this (correctly, by installing the swrast provider
>     at the end of the chain, rather than at the beginning), and since this
>     would seem to have the effect of making the swrast provider the most
>     preferred provider, I'm guessing this wasn't intended.

I think this may be a bit of a red herring.  I would guess with this commit
reverted, the X server ends up swrast, which perhaps masks the problem you
are seeing.

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