I am also affected by this. Disabling C1E in BIOS, nolapic_timer or acpi_skip_timer_override fixes it. I think that acpi_skip_timer_override has the least negative impact on my system so I am using this.
AMD Phenom(tm) II X6 1090T Processor Asus M4A88TD-V EVO/USB3 Ubuntu 11.04 Natty 64 Bit -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/272247 Title: System freezes during boot, unless I hold a key down -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs