I just stumbled across this bug. I have a HP dv6815nr laptop with the MCP67 chipset. I was able to get rid of this problem by applying a custom DSDT file.
http://ubuntuforums.org/showthread.php?t=1036051&highlight=dsdt -- System freezes during boot, unless I hold a key down https://bugs.launchpad.net/bugs/272247 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