[lxc-users] Containers don't start with LXC 2.0.6 on Arch Linux

[Pavol Cupka]

edit the line
lxc.tty = 1               #                allow this many ttys
and remove the comment
so it will look like this
lxc.tty = 1

enjoy :)

On Wed, Dec 21, 2016 at 4:12 PM, John <lxc at jelmail.com> wrote:

> On 21/12/16 14:45, Pavol Cupka wrote:
> > so the containers restarted after upgrade to 2.0.6
> >
> > do you mind pasting your config?
> >
>
> Sure, here is a config file. It is one of many. None work under 2.0.6
> but all work under 2.0.4. I haven't modified these configs in a couple
> of years because, until now, they've worked fine for my needs. There may
> now be better ways to do things than what I have done here :)
>
> # Use autodev to be compatible with systemd
> lxc.autodev = 1
> lxc.hook.autodev = /srv/lxc/nitrogen/host/etc/lxc/autodev
> # hostname
> lxc.utsname = nitrogen
> #
> # network
> #     if the network is not defined then the container
> #     will be able to use the host's network
> lxc.network.type = veth
> #lxc.network.flags = up
> lxc.network.link = br0
> lxc.network.name = eth0
> lxc.network.mtu = 1500
> lxc.network.hwaddr = 12:34:0A:00:C8:07
> # restrict capabilities (security) see "man capabilities"
> lxc.cap.drop = sys_module
> #lxc.cap.drop = sys_admin
> # only explicit device access
> lxc.cgroup.devices.deny = a
> #
> # Memory Devices
> lxc.cgroup.devices.allow = c 1:3 rwm # /dev/null      null stream
> lxc.cgroup.devices.allow = c 1:5 rwm # /dev/zero      zero stream
> lxc.cgroup.devices.allow = c 1:7 rwm # /dev/full      full stream
> lxc.cgroup.devices.allow = c 1:8 rwm # /dev/urandom   blocking random
> stream
> lxc.cgroup.devices.allow = c 1:9 rwm # /dev/random    non blocking stream
> #
> # Terminals
> lxc.tty = 1               #                allow this many ttys
> lxc.pts = 1024                       #                private instance
> of /dev/pts
> lxc.cgroup.devices.allow = c 4:0 rwm # /dev/tty0      current virtual
> terminal
> lxc.cgroup.devices.allow = c 5:0 rwm # /dev/tty       current tty device
>
> lxc.cgroup.devices.allow = c 5:1 rwm # /dev/console   system console
> lxc.cgroup.devices.allow = c 5:2 rwm   # /dev/ptmx    pseudo terminal
> creator
> lxc.cgroup.devices.allow = c 136:* rwm # /dev/pts/*   psuedo terminal
> slaves
> #
> # root filesystem
> lxc.rootfs = /srv/lxc/nitrogen
> # bind mount the host's pacman cache so container uses the same cache
> # rather than wasting time downloading packages already downloaded.
> lxc.mount.entry = /var/cache/pacman/pkg
> /srv/lxc/nitrogen/var/cache/pacman/pkg none rw,bind 0 0
> # Build files
> lxc.mount.entry = /dev/platters/build /srv/lxc/nitrogen/home/build ext4
> defaults 0 0
> # Allow access to LVM filesystem
> lxc.cgroup.devices.allow = b 254:* rwm # /dev/mapper/* LVM partitions
> # transfer
> lxc.mount.entry = /srv/transfer /srv/lxc/nitrogen/srv/transfer none
> rw,bind 0 0
> # 32 bit schroot
> lxc.mount.entry = /srv/lxc/nitrogen32 /srv/lxc/nitrogen/opt/nitrogen32
> none rw,bind 0 0
> lxc.rootfs = /srv/lxc/nitrogen
>
>
>
> When I start this config on 2.0.6 I get this output:
>
>
> lxc at nitrogen.service - LXC Container nitrogen
>    Loaded: loaded (/etc/systemd/system/lxc at .service; enabled; vendor
> preset: disabled)
>    Active: failed (Result: exit-code) since Wed 2016-12-21 15:06:46 GMT;
> 1min 19s ago
>   Process: 10158 ExecStop=/usr/bin/lxc-stop -n %i (code=exited,
> status=1/FAILURE)
>   Process: 10153 ExecStart=/usr/bin/screen -dmS systemd-%i
> /usr/bin/lxc-start -F -n %i (code=exited, status=0/SUCCESS)
>  Main PID: 10154 (code=exited, status=0/SUCCESS)
>
> Dec 21 15:06:46 hydrogen systemd[1]: Starting LXC Container nitrogen...
> Dec 21 15:06:46 hydrogen systemd[1]: Started LXC Container nitrogen.
> Dec 21 15:06:46 hydrogen lxc-stop[10158]: lxc-stop: parse.c:
> lxc_file_for_each_line: 57 Failed to parse config: lxc.tty = 1
>     #                allow this many tty
> Dec 21 15:06:46 hydrogen lxc-stop[10158]: Error opening container
> Dec 21 15:06:46 hydrogen systemd[1]: lxc at nitrogen.service: Control
> process exited, code=exited status=1
> Dec 21 15:06:46 hydrogen systemd[1]: lxc at nitrogen.service: Unit entered
> failed state.
> Dec 21 15:06:46 hydrogen systemd[1]: lxc at nitrogen.service: Failed with
> result 'exit-code'.
>
>
>
> If I try to start it without systemd the result is the same:
>
> $ sudo /usr/bin/lxc-start -F -n nitrogen
> lxc-start: parse.c: lxc_file_for_each_line: 57 Failed to parse config:
> lxc.tty = 1               #                allow this many ttys
>
> lxc-start: tools/lxc_start.c: main: 279 Failed to create lxc_container
>
>
> The containers start without issue after downgrading like this:
>
> $ sudo pacman -U /var/cache/pacman/pkg/lxc-1:2.0.4-2-x86_64.pkg.tar.xz
>
>
>
>
> Let me know if I can provide anything else.
>
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>
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