Seems this is still a bug in Karmic. It's odd that this is a known but that can be found in the forums and pretty much everywhere except the mactel community help pages on the ubuntu wiki
** Summary changed: - Booting linux crashes on 2009 White Macbook (hardware version ID "MacBook5,2") unless you use acpi=off + Booting linux crashes on 2009 White Macbook (hardware version ID "MacBook5,2") unless you use acpi=off or maxcpus=1 -- Booting linux crashes on 2009 White Macbook (hardware version ID "MacBook5,2") unless you use acpi=off or maxcpus=1 https://bugs.launchpad.net/bugs/341230 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