*** This bug is a duplicate of bug 925048 *** https://bugs.launchpad.net/bugs/925048
The lockup is just confirmation it died. However it doesn't say why. Can you post the result of running the command 'dmesg' after the lockup? ** This bug has been marked a duplicate of bug 925048 [GTX 580] X seems to hang a login prompt -- PFIFO errors in dmesg -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libdrm in Ubuntu. https://bugs.launchpad.net/bugs/990411 Title: Ubuntu 12.04 nouveau lockup with GTX580 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libdrm/+bug/990411/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp