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To: gentoo-user@lists.gentoo.org
From: Nikos Chantziaras <realnc@gmail.com>
Subject: [gentoo-user] Re: Nvidia drivers and KDE problem
Date: Sun, 26 May 2013 14:50:09 +0300
Organization: Lucas Barks
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On 26/05/13 12:12, Dale wrote:
>[...]
> The problem.  After I am logged into KDE for a good while, like several
> hours to maybe a day or so, the kicker thingy at the bottom locks up
> tight.  I can't switch desktops, clock stops working, can't click the K
> menu thingy either.  Everything in the kicker thingy is dead as a door
> nail.  I can switch desktops with the keyboard and everything else works
> in KDE just fine.  I can also switch to a console too.  Killing X and
> restarting it fixes it, xdm restart in my case.  I don't have to reload
> drivers or restart the system.

Hmm, something similar happens here sometimes. But not as severe. It 
usually happens when I close many windows rapidly in succession, but 
it's not permanent. The panel becomes responsive again after 10 seconds 
or so. I'm also on latest nvidia-drivers, but it was happening with 
older versions too. I happened very rarely though, so it didn't bother 
me enough to go investigating.

Here's something to try out: when it happens, hit the shortcut on your 
keyboard that temporarily suspends desktop effects. I don't remember 
what the default shortcut for it is, as I've changed it, but it's shown 
and configured in the "General" tab of "Desktop Effects" in System 
Settings. See if hitting the shortcut twice to disable and then 
re-enable desktop effects fixes it.