I can confirm this on 12.04 x86. when machines with an intel 1000 vm net card are started, the machine totally hangs hard. When changed to aMD vm net cards, no problem.
Nasty bug! Hope it will be fixed soon, seems like a regression bug. No issues on 3.00.17 kernel -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/960554 Title: VirtualBox virtual e1000 hangs intermittently To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/960554/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs