Comment 2 for bug 932316

StacktraceTop:
 drisw_update_tex_buffer (drawable=<optimized out>, ctx=<optimized out>, res=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:58
 dri_set_tex_buffer2 (pDRICtx=<optimized out>, target=3553, format=8410, dPriv=<optimized out>) at dri_drawable.c:230
 TfpTexture::enable (this=0x8c7a780, filter=GLTexture::Good) at /build/buildd/compiz-0.9.7.0~bzr2995/plugins/opengl/src/texture.cpp:599
 enableFragmentOperationsAndDrawGeometry (mask=720896, filter=GLTexture::Good, attrib=..., texture=0x8c7a780, w=0x89379c0, gs=0x21d45d0) at /build/buildd/compiz-0.9.7.0~bzr2995/plugins/opengl/src/paint.cpp:1101
 GLWindow::glDrawTexture (this=0x89379c0, texture=0x8c7a780, attrib=..., mask=720896) at /build/buildd/compiz-0.9.7.0~bzr2995/plugins/opengl/src/paint.cpp:1169