i got this:
manzur@manzur-desktop:~$ compiz Checking for Xgl: not present. Blacklisted PCIID '8086:2562' found aborting and using fallback: /usr/bin/metacity
i got this:
manzur@ manzur- desktop: ~$ compiz
Checking for Xgl: not present.
Blacklisted PCIID '8086:2562' found
aborting and using fallback: /usr/bin/metacity