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List:       amarok-bugs-dist
Subject:    [Bug 244896] High CPU usage in kwin and xorg when Amarok playing and window is not minimized
From:       Alexey Shildyakov <ashl1future () gmail ! com>
Date:       2012-08-30 9:56:54
Message-ID: bug-244896-71684-4cMjZzCbpJ () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=244896

Alexey Shildyakov <ashl1future@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ashl1future@gmail.com

--- Comment #31 from Alexey Shildyakov <ashl1future@gmail.com> ---
Confirm for me.
- Gentoo Linux, KDE 4.9.0, Amarok 2.6.0
- xorg-server-1.12.99.904, xf86-video-ati-6.14.6, ATI Radeon HD6450 +
integrated ATI Radeon HD4200 (not used)
Use CFLAGS="-march=amdfam10 -O2 -ggdb -pipe"

I change windows decoration from Oxygen to Plastik and disable all effects -
the same cpu load presents.

Amarok plays tracks in Dynamic mode. At start Amarok was runned and played
tracks with no hard usage X. Then Amarok window was shown and the music isn't
played for several days. The Xorg usage increase upto 100%. When I quit from
Amarok it go down to 30%. If after that I run Amarok the Xorg not increase
usage immediately - it still on the 30% level.

My problem not only in Amarok, because Xorg's cpu usage in top in Konsole
varies from 15 to 40% with no action. But in the case of using Amarok described
above, Xorg use 98-100% CPU. If I kill plasma-desktop process, the Xorg usage
go down to about 5% (in case Amarok still running). After login Xorg uses about
5-10% CPU, after several days running usage increases to 100%. If I start
plasma-desktop the Xorg usage won't grows immediately. Don't know if this is
another bug.

The problem appears a long time ago (many versions or KDE, xorg-server and
Amarok before).
Think I will try to run plasma-desktop for several days without any activity in
KDE and witout running any GUI app (only linux daemons) to see if this problem
repeats.

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