Developers on #ubuntu-kernel helped me a lot to identify the problem, so here's our conversation log: http://irclogs.ubuntu.com/2016/01/21/%23ubuntu-kernel.html
You should scroll down to my nickname peaceful. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1529381 Title: [HP Compaq 6715s] Updating kernel renders system unbootable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1529381/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs