The issue seems to be with an outdated driver. Probably does not support mesa 7.1 yet based on GLXSize.
Code:
#0 0x00007f201f835335 in PrlCtlUpdateGLXSize ()
from /usr/lib/xorg/modules/drivers/prlvideo_drv.so
No symbol table info available.
#1 0x00007f201f835d05 in PrlCtlCreateGLXDrawable ()
from /usr/lib/xorg/modules/drivers/prlvideo_drv.so
No symbol table info available.
#2 0x00007f201f830b7a in ?? ()
from /usr/lib/xorg/modules/drivers/prlvideo_drv.so
No symbol table info available.
#3 0x00007f201f8314bf in ?? ()
from /usr/lib/xorg/modules/drivers/prlvideo_drv.so
No symbol table info available.
#4 0x000000000042e2a9 in ?? ()
No symbol table info available.
#5 0x0000000000421a7e in _start ()
No symbol table info available.