[Bug 49761] Media Players stop playing when monitor is in power saving mode (dpms off)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49761

--- Comment #3 from Nikola Šnele <n.schnelle at gmail.com> 2012-05-20 10:44:51 PDT ---
(In reply to comment #1)
> Does this only happen when kwin is using OpenGL for effects?

It seems that it only happens with OpenGL. It doesn't happen with Xrender.

Yet another strange problem happens while display is turned off. I set
kshutdown before sleep to turn off laptop after 2 hours (dpms off is set to 10
min). In the morning, laptop is still working. I move mouse, display turns on
and then immediately laptop shuts down (kshutdown shuts down laptop). So it
seems that laptop is somehow frozen or in sleep while monitor is in dpms off
state for some time. And this only seems to happen while kwin uses OpenGl. With
Xrender I cannot reproduce this. 

Also with fglrx I cannot reproduce this problems no matter what compositing
type kwin uses.

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