Mailinglist Archive: opensuse-bugs (3912 mails)

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[Bug 914149] desktop background is demolished after wake-up from suspend/hibernate
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 02 Feb 2015 20:13:36 +0000
  • Message-id: <bug-914149-21960-xzfb7faxPq@http.bugzilla.suse.com/>
http://bugzilla.suse.com/show_bug.cgi?id=914149

Daniel Dadap <ddadap@xxxxxxxxxx> changed:

What |Removed |Added
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Flags|needinfo?(ddadap@xxxxxxxxxx |
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--- Comment #18 from Daniel Dadap <ddadap@xxxxxxxxxx> ---
My best guess would be that the desktop background picture is being stored as
an OpenGL Frame Buffer Object (FBO), and that whatever program is responsible
for drawing it is counting on the FBO's contents to be preserved across the
suspend/resume cycle.

FBO contents aren't guaranteed to persist across modeswitch events
(suspend/resume will incur a VT switch away from X and back to it, and the VT
switches in turn will incur modesets). If an FBO is being reused across a
modeswitch, its contents need to be refreshed.

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