Comment 3 for bug 1597059

If i run some of the mesa-demos, like glxgears or glxheads all is fine. All windows behaves as they should.

Don't know if this is related: Using "glxsnoop Window-ID" i get sometimes this output when hitting the f-button (crash):

glxsnoop 0x3000008
Keyboard:
  z - display Z buffer
  s - display stencil buffer
  f - display front color buffer
  b - display back buffer
X Error of failed request: BadValue (integer parameter out of range for operation)
  Major opcode of failed request: 154 (DRI2)
  Minor opcode of failed request: 6 (DRI2CopyRegion)
  Value in failed request: 0x62000aa
  Serial number of failed request: 1276
  Current serial number in output stream: 1276

Widelands was running just with the splash screen (Press any key or click to continue).