[lxc-users] overlayfs: "failed to whiteout" and "Operation not permitted"

[Serge Hallyn]

Quoting Ingvar Bogdahn (ingvar.bogdahn at googlemail.com):
> Hi,
> 
> i'm running into problems with clones using overlayfs. I'm working
> with unprivileged containers only under ubuntu 14.04 trusty, with
> lxc version 1.0.7.
> The mother container is an ubuntu, trusty, amd64, directory-based
> container (I tried ext4 and xfs as root filesystems) and the clone
> was done with the -B overlayfs -s option.
> 
> When starting the overlayfs clone I get several "failed to whiteout"
> errors:
> [949.378978] overlayfs: ERROR - failed to whiteout 'kmsg'
> [949.378978] overlayfs: ERROR - failed to whiteout 'boot-log'
> [949.378978] overlayfs: ERROR - failed to whiteout 'log'
> [949.378978] overlayfs: ERROR - failed to whiteout 'dmesg.1.gz'
> [949.378978] overlayfs: ERROR - failed to whiteout 'dmesg.0'
> [949.378978] overlayfs: ERROR - failed to whiteout 'dmesg.0'

Could you show ls -l output of

~/.local/share/lxc/$container/delta0/dev
~/.local/share/lxc/$container/delta0/var/log
~/.local/share/lxc/$container/delta0/var/lib/dpkg/available-old

~/.local/share/lxc/$mothercontainer/rootfs/dev
~/.local/share/lxc/$mothercontainer/rootfs/var/log
~/.local/share/lxc/$mothercontainer/rootfs/var/lib/dpkg/available-old