Hello, Running F17 here with latest updates. GNOME Shell 3.4.1 QEMU 1.1.x or 1.2.x Problem is this. Say you want to use QEMU to install some operating system somewhere as virtualization. This so far works normally and GNOME Shell behaves correctly. But as soon as you switch QEMU into full screen mode the problems starts to come up. Try this. Install an operating system somewhere or simply boot an iso image. Switch QEMU into full screen mode and wait. After a while - in a default F17 installation - the window of GNOME Shell starts to dimm (later on it turns the monitor off to save powers) but due QEMU being in full screen mode GNOME Shell simply crashes (it flickers a few times and GNOME Shell is gone together with all window decroations leaving all windows undecorated on the screen). This is always reporucable here.
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Fedora 17 changed to end-of-life (EOL) status on 2013-07-30. Fedora 17 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.