Comment 2 for bug 1048789

StacktraceTop:
 memmove (__len=52950048, __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=0x76302a0, glxPixmap=@0x7fff1e5671f8: 25172272) at /build/buildd/compiz-0.9.8.0/plugins/opengl/src/texture.cpp:574
 TfpTexture::bindPixmapToTexture (pixmap=37767764, width=38, height=55, depth=<optimized out>) at /build/buildd/compiz-0.9.8.0/plugins/opengl/src/texture.cpp:719