[ubuntu-uk] Permanently disable Compiz

Liam Proven lproven at gmail.com
Tue May 5 15:50:23 BST 2009


2009/5/3 Paul Broadhead <pjbroad at twinmoons.clara.co.uk>:
> The other thing to try to help speed things up is to disable DRI in
> your xorg.conf file.  I have an X31 too and find scrolling in Jaunty
> unbearably slow for terminals and firefox.  I disabled DRI as
> a work around for a mesa bug affecting mythtv and it helps the scroll
> problem too.
>
> To disables DRI, edit your /etc/X11/xorg.conf file.  In the "Device"
> section, add the following line:
> Option "DRI" "off"
>
> Then reboot or restart X.
>
> Hope that helps,
> Paul Broadhead

Many thanks! That is absolutely brilliant and now X.11 is fast and
fluid again on my machine. Wonderful tip - I am extremely grateful.

I did try, experimentally, switching back to Compiz with DRI off, but
it all went horribly wrong. Nothing appeared on a blank white screen
except corrupted icons for the alt-tab task switcher, and it seems the
Ctrl-Alt-Backspace shortcut to kill X no longer works.

10min of fiddling & a few reboots later, I'd reverted back to non-DRI
Metacity & all is normal again. I still have the keyboard issues to
resolve but I now think that is something else. I've also uninstalled
Compiz to make sure it doesn't accidentally get re-enabled.


-- 
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