It might be fixed if AWS runs a Xen hypervisor which has the following patch included (this is from the development tree of upstream Xen, so will be part of Xen-4.12).
commit be07023be115c94b7fbb51d2ef6f421ddd680de8 Author: Roger Pau Monné <roger....@citrix.com> Date: Tue Jul 24 15:54:18 2018 +0200 x86/vhpet: add support for level triggered interrupts One can never say for sure what AWS runs, so whether its fixed or not can only be found out by trial and error. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1741409 Title: stress smoke test hang with dev test on AWS Xenial kernel Status in ubuntu-kernel-tests: In Progress Status in linux-aws package in Ubuntu: In Progress Bug description: The test will hang on dev STARTING, and get killed by the timeout setting. DEBUG| [stdout] dccp PASSED DEBUG| [stdout] dentry STARTING DEBUG| [stdout] dentry RETURNED 0 DEBUG| [stdout] dentry PASSED DEBUG| [stdout] dev STARTING No interesting output in dmesg: [ 8.281861] random: nonblocking pool is initialized [ 8.338335] ppdev: user-space parallel port driver [ 11.662848] cgroup: new mount options do not match the existing superblock, will be ignored [ 12.272168] systemd[1]: Started ACPI event daemon. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-1045-aws 4.4.0-1045.54 ProcVersionSignature: User Name 4.4.0-1045.54-aws 4.4.98 Uname: Linux 4.4.0-1045-aws x86_64 ApportVersion: 2.20.1-0ubuntu2.14 Architecture: amd64 Date: Fri Jan 5 06:47:45 2018 Ec2AMI: ami-a2e544da Ec2AMIManifest: (unknown) Ec2AvailabilityZone: us-west-2b Ec2InstanceType: t2.nano Ec2Kernel: unavailable Ec2Ramdisk: unavailable ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: linux-aws UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1741409/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp