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#1 2007-02-07 09:00:38

Jacek Poplawski
Member
From: Poland
Registered: 2006-01-10
Posts: 736
Website

problem with xorg-server from testing

Yesterday I enabled testing repository to install 2.6.20, I downloaded everything, including xorg-server.
When I started it, I realized that everything works slowly.
I looked into top and realized that xserver eats 99% of CPU.
I tried to restart it, but it works all the time like this.
I tried to disable Composite, didn't help.
I back to xorg-server-1.1.1 from current and problem dissapeared.
What is wrong with 1.2.0?

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#2 2007-02-07 09:47:52

hjorthboggild
Member
From: Denmark
Registered: 2005-11-05
Posts: 89

Re: problem with xorg-server from testing

I experienced the exact same behavior when I installed the new xorg-server from testing, and further more all qt widgets were scrambled, gtk widgets were normal, but xserver taking up all the cpu making everything slow. I'm using open source ati-driver

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#3 2007-02-07 09:50:29

brain0
Developer
From: Aachen - Germany
Registered: 2005-01-03
Posts: 1,382

Re: problem with xorg-server from testing

Please submit a bug report.

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#4 2007-02-07 11:37:47

Jacek Poplawski
Member
From: Poland
Registered: 2006-01-10
Posts: 736
Website

Re: problem with xorg-server from testing

I am also using open source radeon driver, maybe that's related?

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#5 2007-02-07 11:44:21

netes
Member
From: Poland
Registered: 2007-02-01
Posts: 10

Re: problem with xorg-server from testing

I did't notice that, but I'm using nVidia card. It seems that is ATI related problem, just like you wrote Jacek.

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#6 2007-02-07 12:09:32

lumiwa
Member
Registered: 2005-12-26
Posts: 712

Re: problem with xorg-server from testing

Xorg 7.2 works very good with kenel 2.6.19 on my system but with kernel 2.6.20 it doesn't start. I wrote in http://bbs.archlinux.org/viewtopic.php?id=29650

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#7 2007-02-07 13:43:29

Jacek Poplawski
Member
From: Poland
Registered: 2006-01-10
Posts: 736
Website

Re: problem with xorg-server from testing

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#8 2007-02-07 22:04:32

badger
Member
From: Melb
Registered: 2004-07-21
Posts: 76

Re: problem with xorg-server from testing

I'm getting the same symptoms (X crashes at startup) as lumiwa outlines in their thread with a mix of ATI video card and kernel26 2.6.20-1 (only downgrading kernel26 to 2.6.19.2-1 seemed to help, not downgrading things like xorg-server 1.2.0-1). Since the symptoms are a bit different from Jacek I'm not sure it is exact same issue, but I've added a comment to Jacek's bug report.

cheers

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#9 2007-02-28 10:07:50

eric
Member
From: under heaven
Registered: 2004-02-11
Posts: 113

Re: problem with xorg-server from testing

Jacek Poplawski wrote:

Yesterday I enabled testing repository to install 2.6.20, I downloaded everything, including xorg-server.
When I started it, I realized that everything works slowly.
I looked into top and realized that xserver eats 99% of CPU.
I tried to restart it, but it works all the time like this.
I tried to disable Composite, didn't help.
I back to xorg-server-1.1.1 from current and problem dissapeared.
What is wrong with 1.2.0?

Is the problem solved with the new xorg-server-1.2.0-3?
I ask this because I still have this problem with the new xorg-server and want to know if I'm the only one...

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#10 2007-02-28 20:40:51

Jacek Poplawski
Member
From: Poland
Registered: 2006-01-10
Posts: 736
Website

Re: problem with xorg-server from testing

Yes, it's still broken, I needed to return to 1.1.1.

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#11 2007-03-01 00:38:53

skale
Member
From: Atlanta, GA
Registered: 2006-08-04
Posts: 146

Re: problem with xorg-server from testing

I had the same problem, and it seems much better with xorg-server 1.2.0-3.

Although the bug report doesn't say that it would help, but that it has to do with enabling EXA with the open radeon drivers.  Whatever, it works here, with EXA.  I am content. smile

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#12 2007-03-02 11:28:38

Jacek Poplawski
Member
From: Poland
Registered: 2006-01-10
Posts: 736
Website

Re: problem with xorg-server from testing

Skale could you explain what do you mean by "much better"? Is it work like 1.1.1? Have you tried both EXA and XAA?

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#13 2007-03-02 21:30:16

skale
Member
From: Atlanta, GA
Registered: 2006-08-04
Posts: 146

Re: problem with xorg-server from testing

Works like normal, with no slowdown at all.  Both EXA and XAA work.  I usually have it on EXA, though, since the card seems to support it just fine.  I never tried changing to XAA when X was slow, though, so I couldn't tell you.  Whatever the problem is, it seems to have been fixed quite well.  That's all I can think of to describe it, if there is anything specific I can try and tell you, but I cannot think of anything else.

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#14 2007-03-06 12:52:25

eric
Member
From: under heaven
Registered: 2004-02-11
Posts: 113

Re: problem with xorg-server from testing

skale wrote:

I had the same problem, and it seems much better with xorg-server 1.2.0-3.

Although the bug report doesn't say that it would help, but that it has to do with enabling EXA with the open radeon drivers.  Whatever, it works here, with EXA.  I am content. smile

For me 1.2.0-3 has the same problem as the self-compiled RC's and betas of 1.2.0 and the versions in the testing repository.

EXA is also what I normally use and it works faster than XAA on 1.1.1, but on the new 1.2.0 version EXA is very slow. The screen updates like in slowmotion. When I do a 'less bla.txt', I can see the lines being 'written' in my console window. The cpuload in 'top' is around 30% when the system is idle for some time (on 1.1.1 it's below 1%). Changing to XAA does help a little bit, but it is still slow.

The slow-down is less/not noticable when I just do a 'startx' after the system has booted (only X and its window manager is used). But when I use X it is with KDE and transparancy on (so composite is enabled in xorg.conf)... and then the system is unusable. When I turn off composite, the system is usable, but I don't have transparancy.
The combination KDE+transparancy & xorg+composite+EXA works well and fast on version xorg-server-1.1.1-* but is unusable on 1.2.0-*.

To sum up:
Screen updates is like slowmotion. I can see 'less bla.txt' writing line by line on my console (konsole) and the output of top shows that X is using 30% when system is idle.
With:
xorg-server-1.2.0-*
+ opensource radeon (I have a Radeon 9500)
+ EXA (little faster when using XAA)
+ composite turned on (faster when turned off)
kde*-3.5.6-*
+ transparancy
Compiling a snapshot version of a few days ago of kdebase and kdelibs doesn't solve the problem.

After a downgrade to xorg-server-1.1.1 the problem is solved smile , but I'm not using the newest version sad

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#15 2007-05-12 12:25:04

eric
Member
From: under heaven
Registered: 2004-02-11
Posts: 113

Re: problem with xorg-server from testing

There are a few links on the internet about this, just do a Google search with: "xorg 7.2" exa

As far as I know no one has found a solution sad
And from what I've read and tried (the RC's for xorg-server 1.3.0), the combination of EXA with opensource ATI driver still have this problem in the next version (1.3.0) of xorg-server.

I'm still using xorg-server-1.1.1 with self-compiled input and video drivers. neutral

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#16 2007-05-13 00:56:07

Jacek Poplawski
Member
From: Poland
Registered: 2006-01-10
Posts: 736
Website

Re: problem with xorg-server from testing

Has bug been reported for xorg project? Can you provide link?

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#17 2007-05-13 22:45:19

eric
Member
From: under heaven
Registered: 2004-02-11
Posts: 113

Re: problem with xorg-server from testing

https://launchpad.net/ubuntu/+source/xo … +bug/88696
https://bugs.freedesktop.org/show_bug.cgi?id=10474
https://bugs.freedesktop.org/show_bug.cgi?id=9777
Also just do a search on Google with '"xorg 7.2" exa' or https://bugs.freedesktop.org/buglist.cg … ontent=exa

I just found out that putting the next line in your device section in xorg.conf might help.

Option  "MigrationHeuristic"  "greedy"

Last edited by eric (2007-05-13 22:58:22)

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