I just wanted to remind users who use jh's method to add the ppa repository that they may have to add the key: I mean it's definitely need to know if your X won't boot, right?
$ gpg --keyserver subkeys.pgp.net --recv 3B22AB97AF1CDFA9 gpg: requesting key AF1CDFA9 from hkp server subkeys.pgp.net gpg: key AF1CDFA9: public key "Launchpad PPA for Ubuntu-X" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) $ gpg --export --armor AF1CDFA9 | sudo apt-key add - Didn't look like anyone was having any trouble but, just in case. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/555573 Title: [g41] GPU hung: Failed to submit batchbuffer: Input/output error -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs