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


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On Thu, 29 Oct 2009 10:28:28 +0100
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.

Xorg.0.log shows something interesting? Cause I had similar issue and
found strange messages there....

> great thanks for any indications
cheers,

--
Arnau Bria
http://blog.emergetux.net
Bombing for peace is like fucking for virginity

On Thursday 29 October 2009 11:28:28 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

did you also rebuild all the drivers, select the correct opengl implementation
and restart X?


--
alan dot mckinnon at gmail dot com

On Thursday 29 October 2009 11:28:28 Krzysztof Poc wrote:
> Xorg redraws the screen very slowly.
> "top" shows me that "X" process takes up around 95 % CPU
> while I have Intel Core 2 Duo. I have the following installed:
> kernel 2.6.30.7 #3 SMP (without PAE) -- i have kernel 2.6.29
> xorg-server-1.6.3.901-r2 -- yes
> xorg-x11-7.4-r1 -- yes
> xf86-video-intel-2.8.1 -- i have '...-nv-' & '...-vesa-'
> libxcb 1.4 -- i have 1.4-r1

I have no problem: I'm using some of your items, but not others.
Perhaps that will help you pin down the cause.

--
========================,,======================== ====================
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ELECTRIC /] [] [] [] [] []| Cities Centre, University of Toronto
TRANSIT `-O----------O---' purslowatchassdotutorontodotca

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

--
Valmor

PS: I have fully recompiled, relinked, etc. all that is related to
graphics.

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

Alan McKinnon wrote:
> On Saturday 31 October 2009 17:34:30 Valmor de Almeida wrote:
[...]
>> 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.
>

No I only use a window manager (windowmaker); ultraportable laptop. The
result from glxgears used to be twice as much what is posted above when
I had xorg-server-1.5.

--
Valmor

PS: Just realized that my imagemagick "import" application is not
working (this adds to the list of unresolved issues I currently have
with xorg). I can copy a section of my X window but the resulting image
saved by import is just a black rectangle (imagemagick-6.5.2.9)