Red Hat Bugzilla – Bug 1021231
Screen flickers when some component fades out if OpenGL compositing is enabled in KWin
Last modified: 2015-02-17 12:45:36 EST
Description of problem:
If the desktop OpenGL compositing is enabled, the screen flickers when any component is fading out. This is especially noticeable with widgets like Homerun, for example. This doesn't happen if the XRender compositing is enabled neither it happens on GNOME.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Make anything fade out a few times and you'll probably hit it. One way of doing this could be:
1. Open Homerun
2. Run any application
Screen shouldn't flicker
This is an Asus Zenbook Prime (UX31A), running on Intel HD Graphics 4000, according to the manufacturer. lspci gives me:
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
Bug 307112 from KDE is relevant to this issue. As a workaround, disabling the Blur effect solves the problem.
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