[Bug 232047] New: Sometimes very high CPU-Consumption by XOrg and plasma-desktop 49-53% resp. 41-43%

[Frans Leerink]

https://bugs.kde.org/show_bug.cgi?id=232047

           Summary: Sometimes very high CPU-Consumption by XOrg and
                    plasma-desktop 49-53% resp. 41-43%
           Product: kmail
           Version: 1.12.4
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: f.leerink at xs4all.nl


Version:           1.12.4 (using 4.3.5 (KDE 4.3.5) "release 0", openSUSE 11.2)
Compiler:          gcc
OS:                Linux (i686) release 2.6.31.12-0.2-desktop

Hello,

I am installing/configuring/setting up a desktop with openSUSE 11.2 / KDE 4.3.5
The computer has:
CPU Information
Processor (CPU):   Intel(R) Pentium(R) D CPU 3.00GHz
  Speed:  2,800.00 MHz
  Cores:  2
  Temperature:  65 °C
  Memory Information
Total memory (RAM):  2.9 GiB
  Free memory:  2.2 GiB (+ 429.8 MiB Caches)
  Free swap:  2.0 GiB
OS Information
OS:  Linux 2.6.31.12-0.2-desktop i686
  Current user:  frans at MD8800-openSUSE-11-2
  System:  openSUSE 11.2 (i586)
  KDE:  4.3.5 (KDE 4.3.5) "release 0"
  Display Info
Vendor:  nVidia Corporation
  Model:  GeForce 6700 XL
  Driver:  Unknown  but it is NVIDIA driver 

Normally the total CPU consumption is at the 2-5% level. I have noticed since I
am configuring Kontact/Kmail that sometimes the CPU consumption becomes and
stays very high. If I look with Top it shows that Xorg and plasma-desktop uses
respectively 49-53% and 41-43% of the CPU, without a high activity as far as I
know.

Sometimes if I logout as user or definitely if I shutdown and restarts the
Desktop the CPU consumption returns to and stays at the normal 2-5% level with
the same applications running (Firefox, Kontact/Kmail and Konsole)

Is there a way to find out what is going on, what causes this high load

Regards,  Frans

PS  I do not know whether the high CPU consumption is caused by Kontact/KMail
or that it just something new after kernel update to Linux
2.6.31.12-0.2-desktop i686

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