Public bug reported:
An lxc stop of a centos-7 image hung:
sarnold@sec-xenial-amd64:~$ sudo strace -p 21775
[sudo] password for sarnold:
strace: Process 21775 attached
futex(0xddb060, FUTEX_WAIT, 0, NULL^Cstrace: Process 21775 detached
<detached ...>
Near as I can recall, the process went something like this:
sudo apt-get install lxd-client
sudo apt-get install lxd
lxc image
sudo lxd init (answer dir, no, yes)
newgrp lxd
lxc image list
lxc launch images:centos/7/amd64 my-centos
lxc exec my-centos -- /bin/bash
# ps auxw
# ls -l /proc/1/exe
lxc launch ubuntu:16.04 my-ubuntu
lxc exec my-ubuntu -- /bin/bash
# ps auxw
# ls -l /proc/1/exe
# aa-status
# cat /sys/kernel/security/apparmor/profiles
# ls /sys/kernel/security/apparmor
lxc stop my-ubuntu
lxc stop my-centos
*HANG*
thanks
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: lxd 2.0.0-0ubuntu4
ProcVersionSignature: User Name 4.4.0-16.32-generic 4.4.6
Uname: Linux 4.4.0-16-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
Date: Fri Apr 22 18:08:42 2016
InstallationDate: Installed on 2016-02-11 (72 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160210)
ProcEnviron:
TERM=rxvt-unicode
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: lxd
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: lxd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1573866
Title:
lxc stop of centos-7 guest hangs
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