You need both:
commit 234286c0f8b7d30ed49223c648d4c73c1a517ab3 Author: Jesse Barnes <email address hidden> Date: Thu Apr 22 12:47:41 2010 -0700
DRI2: add config query extension
and
commit 45e2b51c853471b79004a954ce3092a253b20b77 Author: Jesse Barnes <email address hidden> Date: Thu Apr 22 12:49:03 2010 -0700
DRI2/GLX: check for vblank_mode in DRI2 GLX code
for vblank_mode to work. Does your Mesa build have those?
You need both:
commit 234286c0f8b7d30 ed49223c648d4c7 3c1a517ab3
Author: Jesse Barnes <email address hidden>
Date: Thu Apr 22 12:47:41 2010 -0700
DRI2: add config query extension
and
commit 45e2b51c853471b 79004a954ce3092 a253b20b77
Author: Jesse Barnes <email address hidden>
Date: Thu Apr 22 12:49:03 2010 -0700
DRI2/GLX: check for vblank_mode in DRI2 GLX code
for vblank_mode to work. Does your Mesa build have those?