Hi everyone,
I observe a somewhat strange behaviour of my plasma desktop:
When I try to switch between applications (say Dolphin and Firefox) I have to
sustain a delay of several seconds on my desktop pc.
It is definitely not a hardware issue, because my machine is about six months
old (Six-Core AMD FX-6200 with 3800MHz, 8GiB Memory, 12 GiB swap space on a
1.5TB SATA-disk), further the behaviour does not occur on my notebook, which
has much less perfoming hardware. The behaviour does not occur from the
beginning, but later on, I suspect after the screen-saver has been called for
the first time. However the effect is reproducible.
I used the KDE system monitor for diagnosis. I found out that when this
occurs, one of the six CPUs is always at 100%. The responsible process is
obviously plasma-desktop, which is always at 17% CPU.
The effect occurs only when trying to switch applications using the mouse on
the "Startleiste", ALT+TAB works like it should.
I am willing to provide more detailed information, but I need some help from
developers, how to do that.
Finally some informations on my system:
OpenSuSE 12.3, x86_64, fully updated from the communitiy repos.
KDE 4.10
kdebase4-workspace-4.10.0-1.8.1.x86_64 (where plasma-desktop belongs to)
Kernel: 3.7.10-1.1-desktop #1 SMP PREEMPT Thu Feb 28 15:06:29 UTC 2013
(82d3f21) x86_64.
Any help is appreciated.
Best regards
Thomas Hejze
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