Thanks for posting this bug report to help make Ubuntu better.
Which version of Ubuntu are you running?
In addition to the information you provided, could you also provide the following as separate attachments?
~/.xsession-errors file
/var/log/Xorg.0.log
the output of lspci -vvnn
Also, see if this bug persists with the default settings. To restore defaults, launch compiz-config-manager in it and then go to "Preferences" (left bottom corner) and click on the "Reset to defaults" button. Post your memory usage with these default settings.
Thanks for posting this bug report to help make Ubuntu better.
Which version of Ubuntu are you running?
In addition to the information you provided, could you also provide the following as separate attachments?
~/.xsession-errors file Xorg.0. log
/var/log/
the output of lspci -vvnn
Also, see if this bug persists with the default settings. To restore defaults, launch compiz- config- manager in it and then go to "Preferences" (left bottom corner) and click on the "Reset to defaults" button. Post your memory usage with these default settings.
This information will help solve this problem.