With Ubuntu 13.10 (3.11.0-15-generic) on a Lenovo T420 I encountered the same problem. Booting behaviour was erratic, it succeeded roughly every second or third time. The suggested workaround (kernel parameter pci=noacpi) works for the moment.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250027 Title: 10de:1056 [Lenovo ThinkPad T420s] Fails to boot using nvidia drivers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1250027/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
