high CPU usage with proprietary nvidia driver

[Michael Jumper]

Binary package hint: nvidia-glx-177

Intrepid Ibex, using nvidia-glx-177 but problem also occurs with nvidia-glx-173. The graphics card is an NVIDIA GeForce 9100M G (pci express, built into laptop).

3D acceleration works fine, but there is abnormally high CPU usage for certain 2D tasks: running "sl" (the "steam locomotive" joke program) under gnome-terminal causes CPU usage to hit 50-70%, while running the same command under xterm or a non-X terminal yields around 1% usage. Moving windows around in Gnome leaves visible trails while the redraws wait for their chance at CPU time.

The high usage is always for the Xorg process, as reported by top, so this is likely a driver problem.

[Bryce Harrington (bryce)]

[This is an automated message]

Hi zhangmaike,

Please attach the output of `lspci -vvnn`, and attach your /var/log/Xorg.0.log file from after reproducing this issue. If you've made any customizations to your /etc/X11/xorg.conf please attach that as well.

[dagger10k (dagger10k)]

Here is the output of lspci -vvnn

[dagger10k (dagger10k)]

Here is Xorg.0.log

[dagger10k (dagger10k)]

I don't remeber if I changed xorg.conf, but here it is.

[Bryce Harrington (bryce)]

[This is an automated message]

In Jaunty (9.04), we are dropping the nvidia-graphics-drivers-177 package, which
is now superseded by then nvidia-graphics-drivers-180 package.

  http://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-180

To transition your bug into the new package, we need your help. Please do the following:

 a. Verify the bug occurs in Jaunty with the -180 driver
     (ISOs: http://cdimage.ubuntu.com/releases/jaunty/)
 b. If you haven't already, please include in the bug:
     * Your /var/log/Xorg.0.log
     * Your /etc/X11/xorg.conf
     * The output of `lspci -vvnn`
     * Steps to reproduce the issue
 c. Under Affects, click the down arrow to the left of 'nvidia-graphics-drivers-177'
 d. Edit the Package to change 'nvidia-graphics-drivers-177' to 'nvidia-graphics-drivers-180'
 e. Click Save Changes

Thank you!

[We'll expire the remaining -177 bugs in a month or so.]

[Jonathan Thomas (echidnaman)]

We are closing this bug report because it lacks the information we need to investigate the problem, as described in the previous comments. Please reopen it if you can give us the missing information, and don't hesitate to submit bug reports in the future. To reopen the bug report you can click on the current status, under the Status column, and change the Status back to "New". Thanks again!