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Old 05-19-09, 05:07 AM   #1
blue100
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Default Jaunty + 2.6.30 = very slow Compiz

[Update: I was able to produce an error log. See last post.]
Hi all,

I'm running Jaunty on my laptop with a Geforce Go 7300. By default it is running kernel 2.6.28, but as that kernel has some performance problems, I tried the 2.6.30 kernel from the mainline PPA (http://kernel.ubuntu.com/~kernel-ppa/mainline/).
This kernel installs fine with the nvidia drivers 180.51, 180.60, 185.18.08 and 185.18.10. However, I got a problem. As soon as I enable Compiz (System > Preferences > Appearance > Visual Effects > Normal), the whole desktop experience becomes very slow, i.e.:
- moving windows is stuttering, the edges are only updated once every two seconds
- menu's takes ages to load if I click on them
- The content of a window after an application has started changes seldom (although the application is not crashed: I can click and the app reacts, although I don't know what I'm doing as the window is not updated)

This happens with all the drivers I mentioned above and on kernel 2.6.30rc4, 2.6.30rc5 and 2.6.30rc6. As soon as I disable the desktop effects, everything is back to normal. Kernel 2.6.28 works normal.

I tried to make a log file (with driver 185.18.10), but I did not succeed. (After I went to the terminal with ctrl-alt-f1, typed 'sudo /etc/init.d/gdm stop' and then did 'startx -- -logverbose 6' only gave me a black screen. I searched on ubuntuforums.org, and some people have the same problem but I found no solution.)

Last edited by blue100; 06-16-09 at 08:22 AM.
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Old 05-19-09, 06:37 AM   #2
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

try to append nopat to the kernel boot line and see whether that fixes it or not
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Old 05-19-09, 06:57 AM   #3
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

Quote:
Originally Posted by kernelOfTruth View Post
try to append nopat to the kernel boot line and see whether that fixes it or not
Thanks for your help! But, it does not fix the slowness. Also, it does not alter the behaviour of startx (black screen, see my first post).
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Old 05-24-09, 02:13 PM   #4
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

An update: this behavior also occurs with the just released 2.6.30-rc7 kernel.
Am I the only one who is experiencing this? Can someone with a Gefore Go 7300 report his/her experience? Thanks
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Old 05-24-09, 02:41 PM   #5
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

I also got this issue on Karmic alpha with the current karmic kernel and a 7400m card

Sam
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Old 05-24-09, 03:42 PM   #6
blue100
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

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Originally Posted by davelaser View Post
I also got this issue on Karmic alpha with the current karmic kernel and a 7400m card

Sam
Are you able to produce an error log? I'm not, and I'm afraid this problem is not noticed until a proper log is attached.
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Old 05-24-09, 10:00 PM   #7
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

Look in /var/log/Xorg.0.log for any errors. Sounds like a X config error somewhere. You could try adding - Option "AddARGBGLXVisuals" "True" - to the SCREEN(screen 0) section of /etc/X11/xorg.conf.
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Old 05-25-09, 03:16 AM   #8
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

Quote:
Originally Posted by Dizzle7677 View Post
Look in /var/log/Xorg.0.log for any errors. Sounds like a X config error somewhere. You could try adding - Option "AddARGBGLXVisuals" "True" - to the SCREEN(screen 0) section of /etc/X11/xorg.conf.
Thanks for this idea, but it doesn't make a difference . Also, I don't see any errors in /var/log/Xorg.0.log.
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Old 06-02-09, 07:18 AM   #9
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

Quote:
Originally Posted by blue100 View Post
Thanks for this idea, but it doesn't make a difference . Also, I don't see any errors in /var/log/Xorg.0.log.
I just tried the new 185.18.14 driver, but it doesn't fix the problem: the desktop is still only refreshing every two seconds or so.
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Old 06-02-09, 07:38 AM   #10
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

Quote:
Originally Posted by blue100 View Post
I just tried the new 185.18.14 driver, but it doesn't fix the problem: the desktop is still only refreshing every two seconds or so.
Please read the sticky on how to report bugs, and provide a nvidia bug report.

Fuchs
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Old 06-02-09, 08:06 AM   #11
blue100
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

Quote:
Originally Posted by NvFuchs View Post
Please read the sticky on how to report bugs, and provide a nvidia bug report.

Fuchs
As I said in my first post, I know this is not a correct bug report:
Quote:
Originally Posted by blue100
I tried to make a log file (with driver 185.18.10), but I did not succeed. (After I went to the terminal with ctrl-alt-f1, typed 'sudo /etc/init.d/gdm stop' and then did 'startx -- -logverbose 6' only gave me a black screen. I searched on ubuntuforums.org, and some people have the same problem but I found no solution.)
The above is still true for the current release. Therefore, I'm not able to start an X server with a high log verbose setting. If someone knows a solution for this problem, please let me know.
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Old 06-02-09, 10:48 AM   #12
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Default Re: Jaunty + 2.6.30rc[4,5,6] = very slow Compiz

Quote:
Originally Posted by blue100 View Post
As I said in my first post, I know this is not a correct bug report:


The above is still true for the current release. Therefore, I'm not able to start an X server with a high log verbose setting. If someone knows a solution for this problem, please let me know.
You could try to switch to a VT when the black screen occurs.
Else you can create a bug report from a not --logverbose 5 X server instead.

Without a bug report all that we and nvidia can do is guessing, which doesn't result in a solution that often.

Fuchs
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