Re: [gentoo-user] Xorg slow after upgrade

[Alan McKinnon <alan.mckinnon@gmail.com>]

On Saturday 31 October 2009 17:34:30 Valmor de Almeida wrote:
> Krzysztof Poc wrote:
> > Hello I've recently upgraded my system and I found that Xorg redraws the
> > screen
> > very slowly. "top" shows me that "X" process takes up around 95% of the
> > CPU while I have Intel Core 2 Duo.
> >
> > What's wrong with my system ?
> >
> > I have the following installed:
> > kernel 2.6.30.7 #3 SMP (without PAE)
> > xorg-server-1.6.3.901-r2
> > xorg-x11-7.4-r1
> > xf86-video-intel-2.8.1
> >
> > I've also successfully migrated to X.org Server 1.6 and libxcb 1.4 as
> > written
> > in official gentoo documentation.
> >
> > great thanks for any indications
> 
> I am using
> 
> kernel  2.6.30.9 i686
> xorg-server 1.6.3.901-r2
> xorg-x11 7.4-r1
> xf86-video-intel 2.8.1
> hal 0.5.12_rc1-r8
> 
> Also have some unresolved issues with windowmaker-0.92.0-r8 not
> accepting background images on workspaces, and glxgears results lower
> (by half) than I had with xorg-server-1.5:
> 
> ->  glxgears
> 2095 frames in 5.0 seconds = 418.739 FPS
> 1800 frames in 5.0 seconds = 359.967 FPS
> 1881 frames in 5.0 seconds = 376.091 FPS
> 2097 frames in 5.0 seconds = 419.294 FPS
> 2097 frames in 5.0 seconds = 419.286 FPS
> 1887 frames in 5.0 seconds = 377.349 FPS
> 1891 frames in 5.0 seconds = 378.111 FPS
> 1911 frames in 5.0 seconds = 382.009 FPS

Are either of you using KDE-4?

I get this too, it's caused by plasma-desktop (top says it's 35% cpu) which 
makes X block on some IO (100% of one cpu).

Killing and starting plasma-desktop fixes it for me.

-- 
alan dot mckinnon at gmail dot com