Somehow the message "Stuck ??" seems to indicate that the trampoline has run but the VCPU did not report back via the callin flags. I assume that would be done when the IPI signalling succeeds, so it seems (pointing vaguely) something there, Well, interaction of APIC, NMI signalling, ...
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1157757 Title: [Regression] Stuck CPU1-x when booting as Xen HVM guest on certain Intel hosts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1157757/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
