11.2, KDE 4.3 : Unable to disable display power management

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http://forums.opensuse.org – Hello, I want to disable display power management. I tried to achieve this by disabling 'Enable display power management' checkbox in the 'Configure Desktop -> Display -> Power Control' KDE configuration dialog. That didn`t help and display still goes into standby mode after some period of inactivity. Also, I tried to disable dpms functionality by calling 'xset -dpms'. That didn`t help too. Note that 'xset dpms force standby' command works as expected. So what I`m doing wrong ? Thank you /var/log/Xorg.0.log (Distributions)