[Bug 1071910] Re: lxc stop will hang forever

[Tim]

- Container config:
lxc.utsname = vm1

lxc.tty = 4
lxc.pts = 1024
lxc.rootfs = /vms/vm1/rootfs
lxc.mount  = /vm1/vm1/fstab

lxc.network.type = veth
lxc.network.flags = up
lxc.network.name = eth0
lxc.network.link = br0
lxc.network.ipv4 = 192.168.3.2

# Set system resource limitations
lxc.cgroup.cpuset.cpus = 0
lxc.cgroup.cpu.shares = 1
lxc.cgroup.memory.limit_in_bytes = 512M
lxc.cgroup.memory.memsw.limit_in_bytes = 1024M

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
lxc.cgroup.devices.allow = c 136:* rwm
lxc.cgroup.devices.allow = c 5:2 rwm
# rtc
lxc.cgroup.devices.allow = c 254:0 rwm


- /vms/vm1/fstab:
proc            /vms/vm1/rootfs/proc         proc    nodev,noexec,nosuid 0 0
devpts          /vms/vm1/rootfs/dev/pts      devpts defaults 0 0
sysfs           /vms/vm1/rootfs/sys          sysfs defaults  0 0


- Container creation command:
lxc-create -n vm1 -f /vms/vm1/config


- Stop Script:
lxc-stop -n vm1
umount /vms/vm1/rootfs
lvremove -f /dev/vmg1/snap


- Start Script:
lvcreate -L512M -s -n snap /dev/vmg1/vm
mount /dev/vmg1/snap /vms/vm1/rootfs
lxc-start -n vm1 -d


I needed to have a clean file-system for the container that had a different set of software available than the host OS.

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https://bugs.launchpad.net/bugs/1071910

Title:
  lxc stop will hang forever

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