This seems to be caused by bug 1775165, with fanotify07 blacklisted this was never occurred again.
** Changed in: ubuntu-kernel-tests Assignee: (unassigned) => Po-Hsu Lin (cypressyew) ** Changed in: ubuntu-kernel-tests Status: New => Fix Released -- 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/1777779 Title: ubuntu_ltp_syscalls test will hang in the end on T/X AWS Status in ubuntu-kernel-tests: Fix Released Status in linux-aws package in Ubuntu: New Bug description: The ubuntu_ltp_syscalls test will hang on Trusty (and Xenial) AWS, even though all the tests have been ran. INFO: ltp-pan reported some tests FAIL LTP Version: 20180515 ############################################################### Done executing testcases. LTP Version: 20180515 ############################################################### stderr: rm: cannot remove ‘/tmp/ltp-X72GtnsMYy/Q4ynCy/mntpoint’: Device or resource busy 10:19:14 INFO | END ERROR ubuntu_ltp_syscalls.syscalls ubuntu_ltp_syscalls.syscalls timestamp=1529403554 localtime=Jun 19 10:19:14 10:19:14 DEBUG| Persistent state client._record_indent now set to 1 10:19:14 DEBUG| Persistent state client.unexpected_reboot deleted 10:19:14 INFO | END GOOD ---- ---- timestamp=1529403554 localtime=Jun 19 10:19:14 10:19:14 DEBUG| Persistent state client._record_indent now set to 0 10:19:14 INFO | Report successfully generated at /home/ubuntu/autotest/client/results/default/job_report.html If you log onto the node, you will see a zombie process. The jenkins job will continue when you have that zombie process's parent killed. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-4.4.0-1024-aws 4.4.0-1024.25 ProcVersionSignature: User Name 4.4.0-1024.25-aws 4.4.134 Uname: Linux 4.4.0-1024-aws x86_64 ApportVersion: 2.14.1-0ubuntu3.29 Architecture: amd64 Date: Wed Jun 20 05:58:27 2018 Ec2AMI: ami-221f5c5a Ec2AMIManifest: (unknown) Ec2AvailabilityZone: us-west-2b Ec2InstanceType: c3.large 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/1777779/+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