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Old 03-01-2010, 02:41 PM   #1
jackgu1988
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KDE 4.3 and compositing problem


hello!

I am running debian testing with KDE 4.3 on a 64-bit laptop with nvidia 9600gt graphics card. yesterday compositing just stopped working and i no longer have any desktop effects! i don t know what caused it but I think there are 2 possibilities. 1. updates and 2. I connected an external monitor and used the nvidia x server settings program to configure it. the nvidia drivers are from their website and not from the repos. when i click on resume compositing i just get a message that it has been suspended by another application. any ideas?

thank you,
jack
 
Old 03-01-2010, 07:28 PM   #2
salasi
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I see a number of messages saying 'Compositing was too slow and has been suspended' so that is a possibility, too. There is some kind of function key combination that turns it back on (alt-F12, or something), but I am afraid I've never taken much notice, as I've just let it suspend compositing.
 
Old 03-01-2010, 09:14 PM   #3
jackgu1988
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I have tried that key combination and still nothing. weird! compositing is not willing to work! maybe i have to edit my xorg.conf to add compositing but i am not sure that it will do the trick. the error is that it is suspended by another application not that it is not there.
 
Old 03-02-2010, 03:26 PM   #4
jackgu1988
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bump as problem still exists even after some kde updates!
 
Old 03-03-2010, 07:45 AM   #5
ongte
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You mentioned configuring an external monitor. This is likely the cause, compositing may not be supported when using multiple monitors.
 
Old 03-04-2010, 07:32 AM   #6
jackgu1988
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well, at first it was working just fine! for the first 2 or 3 days i mean. then it just stopped working. now compositing is disabled even when i do not use the external monitor.
 
Old 03-06-2010, 07:05 AM   #7
jackgu1988
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By updating my ~/.kde/share/config/kwinrc and changing under compositing the value of "Enabled" to true, and then running "kwin --replace &" re-enabled compositing but now it is toooooo slow. any ideas now?
 
Old 08-20-2010, 03:02 AM   #8
Yoshimitsuspeed
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I am having the same problem. I have started a nubber of threads and gotten no useful help.

I reinstalled kubuntu and the brand new install did it imediatly.
I installed fedora with KDE and it worked great for a few days and now has started doing it.
I have searched a lot on the internet and have found may people with the same problem but no solution.
 
Old 08-22-2010, 08:23 PM   #9
jackgu1988
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Quote:
Originally Posted by Yoshimitsuspeed View Post
I am having the same problem. I have started a nubber of threads and gotten no useful help.

I reinstalled kubuntu and the brand new install did it imediatly.
I installed fedora with KDE and it worked great for a few days and now has started doing it.
I have searched a lot on the internet and have found may people with the same problem but no solution.
Well I did not have that problem with KDE 4.4 but I did not really plug any external displays since I installed it. The only thing that *may* solve this situation is running nvidia-xconfig (as root I guess) in order to re-setup your nvidia settings for the X. I did not think of that solution when I had that problem so if anyone has the chance to test it please tell if it did the trick!
 
Old 08-25-2010, 02:56 PM   #10
hesperant
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I had been noticing the same issue with compositing. The live distro worked very well but post install was fairly drab. Now I am using 10.04 Kubuntu and my search started here, without success I might add but I pressed on.

This lead me to the following link.
A simple 3 step how to for Compositing.

I hope this works for you. Linux is really quite beautiful

Hesperant Ieger
 
Old 08-26-2010, 02:21 PM   #11
jackgu1988
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Quote:
Originally Posted by hesperant View Post
I had been noticing the same issue with compositing. The live distro worked very well but post install was fairly drab. Now I am using 10.04 Kubuntu and my search started here, without success I might add but I pressed on.

This lead me to the following link.
A simple 3 step how to for Compositing.

I hope this works for you. Linux is really quite beautiful

Hesperant Ieger
Not really! I did not test it now with KDE 4.5 but using 4.3 I tried this workaround and did not work! Did you try running nvidia-xconfig?
 
Old 06-10-2011, 08:00 AM   #12
sgrayban
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I know this is a old thread but I figured this should be answered.

It turns out that this is a issue with Nvidia drivers and the way they are patched against the kernel.

I know that this issue still exists in the x86-260.19.36 versions as well.

Quote:
http://www.nvnews.net/vbulletin/showthread.php?t=152065

The revelation that later versions of drivers from Nvidia were improperly patched is consistent with my observation that this never occurs in properly patched 190.53 drivers and since this issue had to do with ACPI, it should manifest itself randomly, which is also consistent with my observations. Those two things together suggest that the issue I encountered was in fact the application of a bad patch by Nvidia's developers. The fact that almost no one else encountered this is likely because very few distributions are using kernel 2.6.33+ to be affected by this issue at this time, as the issue only exists because 2.6.33 broke compatibility and a patch to restore compatibility was improperly written.

I could validate my theory by using unpatched 190.53 drivers, but after having been through hell since the xorg-server 1.8.0 upgrade forced me to upgrade from the properly patched 190.53 nvidia drivers, I would rather not test a theory that I am 99% certain is correct.
 
  


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