Comment # 7 on bug 982177 from Iaroslav Andrusiak

i do not see something like  in your log
[ 15167.334] (**) intel(0): Option "DRI" "3"
[ 15167.335] (II) intel(0): [DRI2] Setup complete
[ 15167.335] (II) intel(0): [DRI2]   DRI driver: i965
[ 15167.335] (II) intel(0): [DRI2]   VDPAU driver: va_gl
[ 15167.335] (II) intel(0): direct rendering: DRI2 DRI3 enabled
[ 15167.346] (II) GLX: Initialized DRI2 GL provider for screen 0

try 

Section "Device"
  Identifier "Default"
   Driver      "intel"
   Option      "DRI"    "3"
   Option      "DRI3"    "1"

EndSection