I found the black-screen problem on a Lenovo 3000 N100 laptop after
doing an update on 14.04 LTS recently (early September 2016). This is a
As a workaround I installed flashback:
apt-get install inxi gnome-session-flashback compizconfig-settings-manager
I could then select either of the Gnome options and log in OK (i.e. it
works with both Metacity and Compiz, but the normal Ubuntu session
OpenGL renderer string: GeForce Go 7300/PCIe/SSE2
Turning off X11 Sync Objects did not fix it.
I then tried some different drivers using
System Settings -> Software and Updates -> Additional Drivers
X.Org with Nouveau did not work at all
Nvidia 173 works OK.
Summary: using the older Nvidia 173 driver is an adequate workaround for
me, but it looks as if this problem is more complex than just 'Sync
You received this bug notification because you are a member of compiz
packagers, which is subscribed to compiz in Ubuntu.
Compiz high CPU and UI freeze on NVIDIA after fix for #269904 in
To manage notifications about this bug go to:
Mailing list: https://launchpad.net/~compiz
Post to : firstname.lastname@example.org
Unsubscribe : https://launchpad.net/~compiz
More help : https://help.launchpad.net/ListHelp