I've seen this on occasion too, but for me it occurs so rarely that it's pretty much impossible to debug :(
It would be useful if somebody experiencing this could relate it to a particular event (eg, does it happen after returning from the screensaver?). I appreciate that's probably difficult to do...
I've seen this on occasion too, but for me it occurs so rarely that it's pretty much impossible to debug :(
It would be useful if somebody experiencing this could relate it to a particular event (eg, does it happen after returning from the screensaver?). I appreciate that's probably difficult to do...