It does not display anything on screen. But combination of Power+Refresh (F3) keys == hard reset and then mount "pstore" somewhere and it should have console log of failed kernel.
Attached is log from failed build (done with older gcc-4.8). ** Attachment added: "failed-dmesg" https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1178847/+attachment/3674120/+files/failed-dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1178847 Title: chromeos 3.8 kernel fails to boot when compiled with gcc-4.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1178847/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs