I downloaded lubuntu-16.10-desktop-amd64.iso and created a new VirtualBox VM on my MacBook to install it.
Each time I tried to boot the VM I got that 'NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s!' After reading Keith Burns (alagalah) comment #19, I remembered enabling the USB 3.0 port in the VM. Once I changed the port back to USB 2.0, the VM booted without issue. hth, and thanks to @alagalah (VirtualBox Version 5.0.32 r112930; macOS Sierra Version 10.12.3) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1530405 Title: NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kerneloops:814] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1530405/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs