[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"

[Dan Kegel]

Isn't privileged mode on by default?

On Wed, Apr 27, 2016 at 9:42 AM, Mahesh Patade <patademahesh at gmail.com> wrote:
> 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..."
>> _______________________________________________
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>
>
> _______________________________________________
> lxc-users mailing list
> lxc-users at lists.linuxcontainers.org
> http://lists.linuxcontainers.org/listinfo/lxc-users