On 8 November 2010 17:13, Rex Dieter <rdieter@xxxxxxxxxxxx> wrote: > On 11/08/2010 03:02 AM, Chris Rouch wrote: >> Over the weekend yum pulled in the newest version of kde for f13 >> (4.5.2 I think). Since I rebooted and logged in my laptop seems to >> have the fan going most of the time. Gkrellm shows both CPUs are doing >> something, and top confirms that kwin and plasma desktop are each >> using between 10% and 30% CPU. For comparison on my f12 desktop at >> work they use between 2 and 5% cpu. I don't know what the used before >> the upgrade, but I do know the fan was usually off except when the >> machine was loaded. >> >> This happens with only one window (firefox), and that only having a >> couple of tabs open. >> >> Is this something I can change? If so, where do I need to look? > > Depends on a lot of things. > > What video driver is in use? Latest nvidia, from rpmfusion > > What arch? x86_64 > > Is flash installed, and any applets running in any of those flash tabs > you mention? Yes it is installed, but none of the tabs are visibly using it (I had/have gmail and a bbc news page open - the latter is static). > > Are destkop effects enabled? Which effects? (blur in particular, is > known to cause degraded performance/load with many driver combinations). Desktop effects are enabled. I had blur enabled and I've just disabled it. No immediate effect - the fan is still spinning, though the cpu percentages are now down to 10-15%. Switching off all desktop effects makes a big difference. kwin is no longer in top's list of cpu hogs, and plasma desktop sits around 1% until I actually do something, when it goes to around 15%. Thanks for your help. Regards, Chris _______________________________________________ kde mailing list kde@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kde New to KDE4? - get help from http://userbase.kde.org
