For those watching this bug, to work around this until there is an AMI available that fixes it, you can disable udev memory hotadd by changing the /lib/udev/rules.d/40-vm-hotadd.rules file to comment out the memory hotadd rule, like this:
--- /lib/udev/rules.d/40-vm-hotadd.rules.old 2017-03-01 22:02:39.905314616 +0000 +++ /lib/udev/rules.d/40-vm-hotadd.rules 2017-03-01 22:02:46.797002312 +0000 @@ -6,7 +6,7 @@ LABEL="vm_hotadd_apply" # Memory hotadd request -SUBSYSTEM=="memory", ACTION=="add", DEVPATH=="/devices/system/memory/memory[0-9]*", TEST=="state", ATTR{state}="online" +#SUBSYSTEM=="memory", ACTION=="add", DEVPATH=="/devices/system/memory/memory[0-9]*", TEST=="state", ATTR{state}="online" # CPU hotadd request SUBSYSTEM=="cpu", ACTION=="add", DEVPATH=="/devices/system/cpu/cpu[0-9]*", TEST=="online", ATTR{online}="1" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1668129 Title: Amazon I3 Instance Buffer I/O error on dev nvme0n1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1668129/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs