[Bug 1441068] [NEW] lxc-destroy fails on btrfs subvolumes

[Martin Pitt]

Public bug reported:

$ sudo lxc-destroy -n adt-vivid
[sudo] password for martin: 
lxc_container: utils.c: _recursive_rmdir_onedev: 147 _recursive_rmdir_onedev: failed to delete /srv/lxc/adt-vivid/rootfs/var/lib
lxc_container: utils.c: _recursive_rmdir_onedev: 147 _recursive_rmdir_onedev: failed to delete /srv/lxc/adt-vivid/rootfs/var
lxc_container: utils.c: _recursive_rmdir_onedev: 147 _recursive_rmdir_onedev: failed to delete /srv/lxc/adt-vivid/rootfs
lxc_container: lxccontainer.c: container_destroy: 2050 Error destroying rootfs for adt-vivid
Destroying adt-vivid failed

This is because the container rootfs has a btrfs subvolume:

ID 557 gen 97073 top level 266 path @srv/lxc/adt-
vivid/rootfs/var/lib/machines

After "sudo btrfs subvolume delete /srv/lxc/adt-
vivid/rootfs/var/lib/machines" I can remove the container.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: lxc 1.1.1-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3
Uname: Linux 3.19.0-12-generic x86_64
ApportVersion: 2.17-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Apr  7 11:51:51 2015
EcryptfsInUse: Yes
SourcePackage: lxc
UpgradeStatus: No upgrade log present (probably fresh install)
defaults.conf:
 lxc.network.type = veth
 lxc.network.link = lxcbr0
 lxc.network.flags = up
 lxc.network.hwaddr = 00:16:3e:xx:xx:xx
lxc.conf: lxc.lxcpath = /srv/lxc

** Affects: lxc (Ubuntu)
     Importance: Medium
         Status: New


** Tags: amd64 apparmor apport-bug vivid

** Changed in: lxc (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1441068

Title:
  lxc-destroy fails on btrfs subvolumes

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