https://bugzilla.novell.com/show_bug.cgi?id=403135
User mfabian@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=403135#c1
--- Comment #1 from Mike Fabian 2008-06-24 03:54:41 MDT ---
This problem occurs not only with KDE4 but also with KDE3.
Actually I can even reproduce it with KDE3 on openSUSE 10.2, i.e.
it seems to be a long standing but which affects both KDE versions.
I have selected the "blank" screen saver. Therefore, the screen
should get black when I click on the menu entry "Lock Screen" in KDE.
Most of the time, this works. But sometimes, it doesn’t: The screen
doesn’t get dark and I wonder what is wrong. Is my system load high
and the screen saver just slow to start? Then I notice, that gkrellm
(a system monitor) has stopped updating and realize that the screen is
locked after all, only not blanked. I hit a key or move the mouse and
see the password dialog ot unlock the screen.
Then I click "Lock Screen" again and on the second try it usually
works.
Unfortunately this is not reproducible at will, there is a certain
randomness. Sometimes the screen is properly blanked and sometimes
(much rarer) it is not.
By the way, I don’t think it matters which screensaver is used,
I think I have seen this effect with other screensavers,
i.e. not the "blank" one as well.
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