Hi, Am 06.07.2015 um 13:07 schrieb Morten Bo Johansen: > Hi Markus, > > Markus Koschany <a...@gambaru.de> wrote: > >> please answer the following questions which might be necessary to solve >> this issue: >> >> 1. What kind of desktop environment do you use? > > Xfce4 from unstable.
I have found a longstanding Xfce bug report about notifications. https://bugzilla.xfce.org/show_bug.cgi?id=7928 If I understand correctly, currently notifications should not even be displayed, if an application or game runs in fullscreen mode. Can you reproduce the same issue with other SDL1.2 games or applications like Iceweasel, Totem etc. which run in fullscreen mode? Maybe related bug reports: https://bugs.launchpad.net/ubuntu/+source/xfce4-notifyd/+bug/1092224 https://bugzilla.xfce.org/show_bug.cgi?id=8751 The underlying issue might be more complex but I suppose it is Xfce specific. You could also try to disable the Xfce compositor / composite effects and see if this has any implications. There should be an option under Settings -> window manager tweaks. >> 2. What video card and drivers do you use? > > Intel HD Graphics 4600. The driver is delivered by the kernel > and the kernel is the latest from unstable. Ok, thanks. So you use the open-source kernel driver from Intel. > >> So the question is what application causes Njam to shift from fullscreen >> mode to windowed mode? > > It could be any application that pops up a message, such as > xmessage, gmessage. Xscreensaver also caused this to happen and > it disabled keyboard input also. Exactly what event by > xscreensaver that caused it, I do not know. More workarounds: You could also add your games to a blacklist, so that they are not affected by your screensaver application. Normally there is some kind of option to ignore certain applications when they run in fullscreen mode. If you can reproduce the same issue with other applications or games in fullscreen mode, we could clone this bug report and reassign to Xfce4. I would also be glad about more information from someone else who is affected by this bug. Regards, Markus
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