I noticed that Bug #272247 seems to fit my description in the above post. Anyhow: here is my acpidump
** Attachment added: "acpidump output" http://launchpadlibrarian.net/25212998/acpidump.txt -- After updating to 8.10 alpha 5, system halts on boot-up until I press CTRL key (or any other key) https://bugs.launchpad.net/bugs/276611 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