I talked to Daniel Vetter, he is responsible for the i915 driver and works for Intel. He told me that this chipset series doesn't support the parameter nomodeset. So this bug report can be closed now.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1070690 Title: BUG: unable to handle kernel NULL pointer dereference at (null); RIP: 0010:[<ffffffff8167f93a>] [<ffffffff8167f93a>] __mutex_lock_slowpath+0xaa/0x150 To manage notifications about this bug go to: https://bugs.launchpad.net/bumblebee/+bug/1070690/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs