I tried to replay the trace attached:

> glretrace game.x86_64.trace 

But all I get is this (many times repeated):

>10536: message: major api error 1: GL_INVALID_ENUM in glCompressedTexImage2D(internalFormat=0x8c4d)
>10536 @1 glCompressedTexImage2DARB(target = GL_TEXTURE_2D, level = 0, >internalformat = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, width = 64, height = >64, border = 0, imageSize = 2048, data = blob(2048))
>10536: warning: glGetError(glCompressedTexImage2DARB) = GL_INVALID_ENUM

Mesa:
OpenGL core profile version string: 4.1 (Core Profile) Mesa 11.1.0

Hardware:
OpenGL renderer string: Gallium 0.4 on AMD PITCAIRN (DRM 2.43.0, LLVM 3.7.0)

Kernel:
Linux 4.4.0-rc6-00005-g9d951f9 #4 SMP PREEMPT Mon Dec 21 18:33:34 CET 2015
x86_64 x86_64 x86_64 GNU/Linux

Will try now with llvmpipe