Looks good. I rebooted and powered off/on a couple times without issue after performing the following:
timothy@thomas:~$ uname -a Linux thomas 3.8.0-19-generic #30-Ubuntu SMP Wed May 1 16:35:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux timothy@thomas:~$ sudo vi /etc/modprobe.d/blacklist-watchdog.conf timothy@thomas:~$ grep sp5100 /etc/modprobe.d/blacklist-watchdog.conf #blacklist sp5100_tco sudo update-initramfs -u timothy@thomas:~$ sudo update-initramfs -u [sudo] password for timothy: update-initramfs: Generating /boot/initrd.img-3.8.0-19-generic Here are the dmesg entries: timothy@thomas:~$ dmesg |grep sp5100 [ 20.505566] sp5100_tco: SP5100/SB800 TCO WatchDog Timer Driver v0.05 [ 20.505612] sp5100_tco: PCI Revision ID: 0x3a [ 20.505629] sp5100_tco: failed to find MMIO address, giving up. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1116835 Title: Boot issues after running kernel 3.8.x To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1116835/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs