[Bug 50450] OpenGL does not work or works very slowly on Radeon HD3850

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50450

--- Comment #7 from Andy Furniss <lists@andyfurniss.entadsl.com> 2012-05-29 06:26:59 UTC ---
(In reply to comment #6)
> Created attachment 62218 [details]
> quake4 console log
> 
> I attached Xorg log, dmesg and log of quake4, which crashes like i said.
> Sorry for mimetype, i thought bugzilla auto-detect would work.

np everyone does that.

Anyway I think I know why quake4 doesn't work: from your log -

/opt/quake4/q4base/paklibGL error: failed to load driver: r600
libGL error: Try again with LIBGL_DEBUG=verbose for more details.
libGL error: failed to load driver: swrast
libGL error: Try again with LIBGL_DEBUG=verbose for more details.

I suspect if you did run -

LIBGL_DEBUG=verbose quake4-demo 

That you would see something like -

.... ./libstdc++.so.6: version `GLIBCXX_3.4.9' not found ....

This is caused by there being libstdc++.so.6 in the quake4 demo dir that is too
old for mesa (well llvm to be precise).

Solution is to rename libstdc++.so.6 and libgcc_s.so.1 that are in  
/opt/quake4/ I guess, to something else which will make q4 use your system
libs.

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