Strange cursor redraws

[Daniel Veillard]

  I have noticed that my cursor get redrawed generating cursor image flicker
even if I don't move the mouse or the underlying image doesn't change. It
didn't depend on the application having the focus, or over which the cursor
was drawn, but was depending on the cursor location on the screen. After a bit
of checking it appears to be related to virtual screen, if the cursor is
positionned at the x/y coordinate of a gnome-terminal whose content is
scrolling but not displayed due to being on another virtual screen, then
the cursor is redrawn as the terminal image is updated. Moving the cursor
coordinate outside of the terminal area stops the flicker.

   Using xorg-x11 6.8.1-12, gnome-terminal-2.7.3-1, and metacity-2.8.6-2.1,
hardware is Matrox 450 dual head running in xinerama mode.
Excerps from /var/log/Xorg.0.log:
  (--) PCI:*(1:0:0) Matrox Graphics, Inc. MGA G400 AGP rev 130,...
  (--) Chipset mgag400 found
  (**) MGA(0): Depth 16, (--) framebuffer bpp 16
  (==) MGA(0): RGB weight 565
  (II) MGA(0): Using XFree86 Acceleration Architecture (XAA)

  Does this qualify as a bug ? If yes what module is most likely to be guilty ?

Daniel

-- 
Daniel Veillard      | Red Hat Desktop team http://redhat.com/
veillard at redhat.com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/