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X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  42 (X_SetInputFocus)
  Serial number of failed request:  90
  Current serial number in output stream:  92
Locking assertion failure.  Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb6a7f7c7]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0xb6a7f96e]
#2 /usr/lib/libX11.so.6 [0xb7d68619]
#3 /usr/lib/libGL.so.1 [0xb7e9214d]