[Lxc-users] Running Fedora12 container on Ubuntu

[Daniel Lezcano]

On 07/20/2010 01:58 PM, Nikola Simidzievski wrote:
> Hi,
> I am trying to get Fedora 12 container on Ubuntu 10.4, but I have several
> problems. I installed new  rootfs using febootstrap , and configured it, and
> created new fstab (guided form
> http://blog.bodhizazen.net/linux/lxc-configure-fedora-containers ) :
> -----------------------------------------------------------------------------------------------
> none /lxc/rootfs.fedora/dev/pts devpts defaults 0 0
> none /lxc/rootfs.fedora/proc proc defaults 0 0
> none /lxc/rootfs.fedora/sys sysfs defaults 0 0
> #none /lxc/rootfs.fedora/var/lock tmpfs defaults 0 0
> #none /lxc/rootfs.fedora/var/run tmpfs defaults 0 0
> /etc/resolv.conf /lxc/rootfs.fedora/etc/resolv.conf none bind 0 0
> ----------------------------------------------------------------------
> My lxc conf. file look like this :
> ----------------------------------------------------------------------------------------------------
> lxc.utsname = fedora
> lxc.tty = 4
> lxc.network.type = veth
> lxc.network.flags = up
> lxc.network.link = br-node0
> lxc.network.name = eth0
> lxc.network.mtu = 1500
> lxc.network.ipv4 = 10.0.0.1/24
> lxc.rootfs = /lxc/rootfs.fedora
> lxc.mount = /lxc/fstab.fedora
> lxc.cgroup.devices.deny = a
> # /dev/null and zero
> lxc.cgroup.devices.allow = c 1:3 rwm
> lxc.cgroup.devices.allow = c 1:5 rwm
> # consoles
> lxc.cgroup.devices.allow = c 5:1 rwm
> lxc.cgroup.devices.allow = c 5:0 rwm
> lxc.cgroup.devices.allow = c 4:0 rwm
> lxc.cgroup.devices.allow = c 4:1 rwm
> # /dev/{,u}random
> lxc.cgroup.devices.allow = c 1:9 rwm
> lxc.cgroup.devices.allow = c 1:8 rwm
> # /dev/pts/* - pts namespaces are "coming soon"
> lxc.cgroup.devices.allow = c 136:* rwm
> lxc.cgroup.devices.allow = c 5:2 rwm
> # rtc
> lxc.cgroup.devices.allow = c 254:0 rwm
> ---------------------------------------------------------------------------------------------------------------
> When I start the machine with this setup I get this error:
> ==================================================
> lxc-start: Device or resource busy – failed to mount ‘none’ on
> ‘/lxc/rootfs.fedora/dev/pts’
> lxc-start: failed to setup the mounts for ‘fedora′
> lxc-start: failed to setup the container
> ====================================================
> So I remove the lxc.mount part from the conf. file and it starts normally
> but a get  error when I make ssh connection (PTY allocation request failed
> on channel 0) so I assume that has something to do with wrong mount on
> /dev/pts. I tried to mount it manually via chroot but then the booting slows
> down and services like mysqld and httpd can't be started. So any suggestions
> how to solve this?

Can you check by removing the "none /lxc/rootfs.fedora/dev/pts devpts 
defaults 0 0" line in the fstab and add lxc.pts=1 in the configuration 
file ?