compiz compositing leaves jittery bottom half of screen

[imbstack]

Binary package hint: compiz

This does not occur when visual effects is set to none in appearance menu.
All of the display below a certain point on the screen are jittered at random, although very frequent times.
release is vanilla ubuntu 9.04:

compiz:
  Installed: 1:0.8.2-0ubuntu8
  Candidate: 1:0.8.2-0ubuntu8
  Version table:
 *** 1:0.8.2-0ubuntu8 0
        500 http://us.archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

  *-display
       description: VGA compatible controller
       product: R600 [Radeon HD 2900 Series]
       vendor: ATI Technologies Inc
       physical id: 0
       bus info: pci@0000:03:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list
       configuration: driver=fglrx_pci latency=0 module=fglrx

[Robert Ancell (robert-ancell)]

Thanks for your bug report. The symptoms provided indicate this is a problem with your video drivers and is being reassigned to the xorg package. For more information on problems with visual effects and video drivers see http://wiki.ubuntu.com/VisualEffects.

[Bryce Harrington (bryce)]

Hi bstack01,

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

[This is an automated message. Apologies if it has reached you inappropriately; please just reply to this message indicating so.]

[Bryce Harrington (bryce)]

We're closing this bug since it is has been some time with no response from the original reporter. However, if the issue still exists please feel free to reopen with the requested information. Also, if you could, please test against the latest development version of Ubuntu, since this confirms the bug is one we may be able to pass upstream for help.