Description of problem: Every now and then I see that an Xfce terminal does not react on expose events and does not redraw itself. This is happening on average one time per day for me. If it happens, switching to other windows (partly hiding the terminal) and back to the terminal does not help (that is, it stays ignoring expose events from then on). When I click on a tab in the terminal, it redraws itself and after that expose events are honored again. Version-Release number of selected component (if applicable): 0.4.8-1.fc15
I'm not sure how to go about debugging this. ;( Terminal is the _only_ thing that does this for you? If it was other apps it would make me thinks it's a xfwm4 or video driver bug. ;( What video hardware/driver there? And are you using compositing (enabled in window-manager-tweaks preference). Are your Terminals transparent or using a background?
IIRC it never happened for other windows, but I use far more terminal windows than other apps (my desktop has about 6-8 terminal windows, each with 4+ tabs, and about 3 other windows), so statistically this does not mean anything ;-). Hardware is Thinkpad T61p with Nvidia G84M [Quadro FX 570M] and nouveau driver. No compositing enabled, terminals have a simple white background with black text.
Does enabling compositing (prefs->window manager tweaks) help any? Do you see any errors in dmesg or /var/log/Xorg.0.log when this happens?
I didn't enable compositing yet, but I've just seen the same problem also in pidgin, so it does not seem to be a Terminal-specific problem.
lets move this over to nouveau and see if they have any ideas.
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