Writing extended state information... Done
gaurav@Tazzmania:~$ beryl
beryl           beryl-manager   beryl-settings  beryl-xgl
gaurav@Tazzmania:~$ beryl-manager
gaurav@Tazzmania:~$ libGL warning: 3D driver claims to not support visual 0x4b
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
trying '/home/gaurav/.xcompmgrrc' as configfile


finished parsing the config file
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 157
  Major opcode:  145
  Minor opcode:  3
  Resource id:  0x0
Failed to open device