Sebastien, the problem isn't unity. I get the freeze even with the Ubuntu classic session. To get a working session, I either need to choose the session without any graphic effect or use the nouveau driver. That's what made me think it's a problem in compiz.
** Attachment added: "lspci_-v_output" https://bugs.launchpad.net/ubuntu/+source/unity/+bug/728745/+attachment/2072734/+files/lspci_-v_output -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/728745 Title: [nvidia, 7300, 7400] display freeze when using unity desktop -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs