If the system is hard locking, your best option is to switch to the console with Ctrl+Alt+F1 immediately after boot, wait for the panic, and then take a photograph of the resulting kernel panic.
-- iwlagn causes kernel panic on 802.11n wifi https://bugs.launchpad.net/bugs/276990 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs