The same issue with mainline 3.6.0, 3.6.1 (ubuntu) kernels. I'll try vanilla ones and bisect.
Also no luck with 3.5.0-17~kamal from Sputnik Kernel PPA: https://launchpad.net/~canonical-hwe-team/+archive/sputnik-kernel -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1048141 Title: Ubuntu boots up in a black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1048141/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs