gerry@maple240-220 ~ $ beryl-manager
gerry@maple240-220 ~ $ XGL Absent, checking for NVIDIA
Nvidia Present
Relaunching beryl with __GL_YIELD="NOTHING"
XGL Absent, checking for NVIDIA
Nvidia Present
beryl: No composite extension
Window manager warning: Invalid WM_TRANSIENT_FOR window 0x136 specified for 0x3e00007 (Sabayon Li).
Window manager warning: Lost connection to the display ':0.0';
most likely the X server was shut down or you killed/destroyed
the window manager.
XGL Absent, checking for NVIDIA
Nvidia Present
Relaunching beryl with __GL_YIELD="NOTHING"
XGL Absent, checking for NVIDIA
Nvidia Present
beryl: No composite extension
Window manager warning: Invalid WM_TRANSIENT_FOR window 0x136 specified for 0x3e00007 (Sabayon Li).
Window manager warning: Lost connection to the display ':0.0';
most likely the X server was shut down or you killed/destroyed
the window manager.
X Error: BadDevice, invalid or uninitialized input device 170
  Major opcode:  148
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 170
  Major opcode:  148
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
kwin: Fatal IO error: client killed
XGL Absent, checking for NVIDIA
Nvidia Present
Relaunching beryl with __GL_YIELD="NOTHING"
XGL Absent, checking for NVIDIA
Nvidia Present
beryl: No composite extension
Window manager warning: Invalid WM_TRANSIENT_FOR window 0x136 specified for 0x3e00007 (Sabayon Li).