[lxc-users] Installing nfs-kernel-server in lxc 2.0 xenial fails with "systemd[1]: Failed to reset devices.list on /system.slice/dev-lxc-tty4.mount: Operation not permitted"

[Mahesh Patade]

enable privileged mode.

Mahesh
On 27 Apr 2016 9:51 pm, "Dan Kegel" <dank at kegel.com> wrote:

> Tycho's tip,
> "If you enable nesting in the container, that allows all mounts (for
> now) and it should work"
> helped here.
>
> I filed https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1575757 to
> suggest improving the doc to mention nfs.
>
>
> On Tue, Apr 26, 2016 at 12:21 PM, Dan Kegel <dank at kegel.com> wrote:
> > Trying to install a package that depends on having an nfs server ran
> > into trouble, so I tried a simple test case:
> >
> > $ sudo lxc-create -n nfstest -t download -- -d ubuntu -r xenial -a amd64
> > $ sudo lxc-start -n nfstest
> > $ sudo lxc-attach -n nfstest apt-get update
> > $ sudo lxc-attach -n nfstest apt-get install nfs-kernel-server
> > ...
> > Creating config file /etc/idmapd.conf with new version
> >
> > Creating config file /etc/default/nfs-common with new version
> > Adding system user `statd' (UID 106) ...
> > Adding new user `statd' (UID 106) with group `nogroup' ...
> > Not creating home directory `/var/lib/nfs'.
> > nfs-utils.service is a disabled or a static unit, not starting it.
> > Setting up nfs-kernel-server (1:1.2.8-9ubuntu12) ...
> > A dependency job for nfs-server.service failed. See 'journalctl -xe'
> > for details.
> > nfs-server.service couldn't start.
> >
> > Creating config file /etc/exports with new version
> >
> > Creating config file /etc/default/nfs-kernel-server with new version
> > A dependency job for nfs-server.service failed. See 'journalctl -xe'
> > for details.
> > invoke-rc.d: initscript nfs-kernel-server, action "start" failed.
> > dpkg: error processing package nfs-kernel-server (--configure):
> >  subprocess installed post-installation script returned error exit
> status 1
> > Processing triggers for libc-bin (2.23-0ubuntu3) ...
> > Processing triggers for ureadahead (0.100.0-19) ...
> > Processing triggers for systemd (229-4ubuntu4) ...
> > Errors were encountered while processing:
> >  nfs-kernel-server
> > E: Sub-process /usr/bin/dpkg returned an error code (1)
> >
> > $ sudo lxc-attach -n nfstest -- journalctl -xe
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/dev-lxc-tty4.mount: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/cron.service: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/systemd-remount-fs.service: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/system-container\x2dgetty.slice: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/dev-lxc-tty2.mount: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/sys-fs-fuse-connections.mount: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/proc-sysrq\x2dtrigger.mount: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/dev-lxc-tty1.mount: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to reset devices.list on
> > /system.slice/dev-hugepages.mount: Operation not permitted
> > Apr 26 19:13:18 nfstest systemd[1]: run-rpc_pipefs.mount: Mount
> > process exited, code=exited status=32
> > Apr 26 19:13:18 nfstest systemd[1]: Failed to mount RPC Pipe File System.
> > -- Subject: Unit run-rpc_pipefs.mount has failed
> > -- Defined-By: systemd
> > -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
> > --
> > -- Unit run-rpc_pipefs.mount has failed.
> > --
> > -- The result is failed.
> > ...
> >
> > Halp!  :-)   I'm sure it's some cgroups magic, and the answer will be
> > "Of course, you need to run lxc-cgroup as follows..."
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