On Sat, 2009-08-15 at 11:15 +0200, Ulf Samuelsson wrote: > Looks like xtscal in x11-image fails. > > $ DISPLAY=":0.0" xtscal > XCALIBRATE extension missing That error is fairly self-explanatory: your xserver lacks the XCALIBRATE extension. Xtscal won't work if this is missing. p.