Comment 2 for bug 1043161

StacktraceTop:
 _wordcopy_fwd_aligned (dstp=5259628944, srcp=842672336, len=15249016) at wordcopy.c:80
 memmove (__len=121992128, __src=<optimized out>, __dest=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:58
 drisw_update_tex_buffer (drawable=<optimized out>, ctx=<optimized out>, res=<optimized out>) at drisw.c:272
 dri_set_tex_buffer2 (pDRICtx=<optimized out>, target=3553, format=8410, dPriv=<optimized out>) at dri_drawable.c:234
 TfpTexture::bindTexImage (this=this@entry=0x8343110, glxPixmap=@0x8343140: 14685282) at /build/buildd/compiz-0.9.8+bzr3319/plugins/opengl/src/texture.cpp:450