[papka@archi ~]$ glxinfo
name of display: :0.0
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  155 (NV-GLX)
  Minor opcode of failed request:  4 ()
  Resource id in failed request:  0x2a00003
  Serial number of failed request:  34
  Current serial number in output stream:  34