I notice that Raring does not have a file named systemd-udevd in /lib/systemd but Saucy/Trusting do. Therefore, the systemd-udevd thing is a new addition to Ubuntu starting with Saucy. It's the only thing I can think of that could be causing issues.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250321 Title: Ubuntu 13.10 + 14.04 Catastrophic Random Kernel Crashes on Boot with ASUS Sabertooth 990FX To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1250321/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs