report matches a setup for 16.04 with upstart instead of systemd and no
cgroup-lite or similar pre-mounting the right cgroup, error is correct,
host setup is likely the issue.
** Changed in: lxc (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1607096
Title:
lxc-container-default-with-mounting profile systemd permission denied
Status in lxc package in Ubuntu:
Invalid
Bug description:
On a fresh install of Xenial just install lxc. Run typical lxc init
setup. lxc-create any Ubuntu version (Trusty/Wily/Xenial tested)
container and configure it to use the lxc-container-default-with-
mounting. No further configuration needed. Start the container. You
will find in dmesg errors concerning problems mounting things in
/sys/...
[10870.395952] audit: type=1400 audit(1469484639.890:94):
apparmor="DENIED" operation="mount" info="failed type match" error=-13
profile="lxc-container-default-with-mounting"
name="/sys/fs/cgroup/systemd/" pid=14796 comm="systemd"
fstype="cgroup" srcname="cgroup" flags="rw, nosuid, nodev, noexec"
The container will appear start and you can attach, but its broken.
Things like networking won't work. You cannot lxc-stop the container
without -k.
Starting the container in foreground mode leads to the following
error.
Failed to mount cgroup at /sys/fs/cgroup/systemd: Permission Denied
[!!!!!] Failed to mount API fileysystems, freezing.
Freezing execution.
I found defect
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1347020 concerning
Trusty. The issue seems similar but not specially calling out the aa
profile. Also, I cannot actually recreate this problem in Trusty.
(UPDATE: Forgot to mention I have 2 additional conf lines as follows)
lxc.cgroup.devices.allow = b 7:* rwm
lxc.cgroup.devices.allow = c 10:237 rwm
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