A workaround for machines running under Xen has been found over on Ubuntu's bug tracker, see comment #69:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1518457
The workaround is to disable hot-add of memory:
touch /etc/udev/rules.d/40-vm-hotadd.rules reboot
A workaround for machines running under Xen has been found over on Ubuntu's bug tracker, see comment #69:
https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1518457
The workaround is to disable hot-add of memory:
touch /etc/udev/ rules.d/ 40-vm-hotadd. rules
reboot