This issue was resolved by physically swapping the two Xeon CPUs so that the CPU with the lower stepping (6) ended up in the first socket, while the CPU with higher stepping (10) ended up in the 2nd socket. It's apparently an old issue not specific to Ubuntu or even Linux.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/645227 Title: kernel freeze while booting processors of dual quad Xeon Dell T7400 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/645227/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
