After updating the system to day (latest available patches) I was able to boot the system with the radeon module, but the system used about 38 sec to boot vs 24 sec with the radeon module blacklisted.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/775462 Title: [Arrandale] Xorg freeze (hybrid graphics) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs