Comment 8 for bug 586325

(In reply to comment #6)
> I'm curious if the output of "xrandr --verbose" is
> different between when things work and when things don't. Could you look at
> that and perhaps attach the output if different.

The output is nearly identical for both cases. Only the two lines with "Timestamp:" have different values.

For me it looks like the chance that resolution switching does not work is a little bit higher when I use krandrtray instead of xrandr.