Comment 42 for bug 309776

Revision history for this message
Stephen Burke (steve-burke-56) wrote : Re: [Bug 309776] Re: jaunty xorg 100% cpu usage

What are your specs on the Dell E6400?  I recently got one & it has
the Nvidia 160M video card in it. I've put Jaunty on that machine
with no problems. I did see this bug where the CPU goes to 100% very
quickly with my IBM T30.

Steve

On Wed, May 13, 2009 at 8:11 AM, odaagan <email address hidden> wrote:
>
> *** This bug is a duplicate of bug 307306 ***
>    https://bugs.launchpad.net/bugs/307306
>
> This comment is for those novise like me who mainly want a working
> system and are not primarilly looking to fix the bug.
>
> I had the described problem after upgrading from Intrepid to Jaunty a
> couple of weeks ago. Xorg always over 30% CPU and often over 80%, even
> though I wasn't doing anything.
>
> Running Dell Latitude E6400, 4 gig memory etc. I did try to kill power-
> manager and settings-daemon without any result. No vino-server running.
>
> The behavior disappeared when I downgraded all xserver-xorg-<whatever>
> packages back to the Intrepid version, and now the system is faster than
> ever:-)
>
> Since you who will go for this solution probably are as novice as me I
> will outline just how I did the downgrade (which might not be the
> standard way, I don't know).
>
> edit the file /etc/apt/sourses.list (for instance sudo vim /etc/apt/sourses.list)
> Comment out all lines including the word 'jaunty' (put # in front of the line)
> #deb http://fr.archive.ubuntu.com/ubuntu/ jaunty main multiverse universe restricted
> #deb-src http://fr.archive.ubuntu.com/ubuntu/ jaunty main multiverse universe restricted
> #deb http://fr.archive.ubuntu.com/ubuntu/ jaunty-updates main multiverse universe restricted
> #deb-src http://fr.archive.ubuntu.com/ubuntu/ jaunty-updates main multiverse universe restricted
>
> add the following line (probably overkill with multiverse universe etc., I don't know)
> deb http://fr.archive.ubuntu.com/ubuntu/ intrepid main multiverse universe restricted
>
> save the file and do
> sudo apt-get update
>
> run aptitude (or your favourite package manager) and downgrade the following packages, including their dependencies (in my case 34 dependencies):
> xserver-xorg
> xserver-xorg-core
> xserver-xorg-input-all
> xserver-xorg-video-all
>
> remember to uncomment the sources.list file and run 'sudo apt-get
> update' to reset jaunty repositories (and do not update xserver packages
> as suggested).
>
> --
> jaunty xorg 100% cpu usage
> https://bugs.launchpad.net/bugs/309776
> You received this bug notification because you are a direct subscriber
> of the bug (via bug 307306).
>
> Status in “xorg” source package in Ubuntu: Invalid
>
> Bug description:
> after this week xorg driver update the xorg starts using 100% of one cpu core resources.
> when i switch between text console (crtl+alt+f2) and back to X, the xorg load goes down.
> then again some regular gnome activity causes Xorg load up.
> I attached recordmydesktop video. I started recording terminal with top running.
> After that i don't do anything. Suddenly xorg processor usage goes up.
> And before the end i brought the load down switching display in text mode and back to X.