Bug 1021231 - Screen flickers when some component fades out if OpenGL compositing is enabled in KWin
Screen flickers when some component fades out if OpenGL compositing is enable...
Product: Fedora
Classification: Fedora
Component: kde-workspace (Show other bugs)
x86_64 Linux
unspecified Severity unspecified
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Assigned To: Adam Jackson
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2013-10-20 12:04 EDT by Luiz Romário Santana Rios
Modified: 2015-02-17 12:45 EST (History)
11 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
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Clone Of:
Last Closed: 2015-02-17 12:45:36 EST
Type: Bug
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
KDE Software Compilation 307112 None None None Never

  None (edit)
Description Luiz Romário Santana Rios 2013-10-20 12:04:26 EDT
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):

How reproducible:
Almost always.

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

Actual results:
Screen flickers

Expected results:
Screen shouldn't flicker

Additional info:
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)
Comment 1 Luiz Romário Santana Rios 2014-02-11 10:50:44 EST
Bug 307112 from KDE is relevant to this issue. As a workaround, disabling the Blur effect solves the problem.
Comment 2 Fedora End Of Life 2015-01-09 15:19:04 EST
This message is a notice that Fedora 19 is now at end of life. Fedora 
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Comment 3 Fedora End Of Life 2015-02-17 12:45:36 EST
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 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no longer maintained, which means that it will not receive any further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.

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