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Re: [libvirt] [PATCH] LXC start after shutdown didn't work



On Thu, Sep 26, 2013 at 11:53:30AM +0200, Cédric Bosdonnat wrote:
> The bug is that after shutting down an lxc full-distro container, start
> always fails. It turns out that shutdown doesn't clean the machine on
> the machined side. A workaround is to machinectl terminate the
> container. A proper fix would be that machinectl tracks the state of the
> init process and cleans the machine if that one disappears.
> 
> This fix is the reasonable fix we can have on the libvirt side: really
> try to start the container manually if starting it with systemd failed.
> It currently never calls the virCgroupNewMachineManual function.
> ---
>  src/util/vircgroup.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/src/util/vircgroup.c b/src/util/vircgroup.c
> index e99caf5..466c170 100644
> --- a/src/util/vircgroup.c
> +++ b/src/util/vircgroup.c
> @@ -1656,9 +1656,6 @@ virCgroupNewMachine(const char *name,
>                                           group)) == 0)
>          return 0;
>  
> -    if (rv == -1)
> -        return -1;
> -
>      return virCgroupNewMachineManual(name,
>                                       drivername,
>                                       pidleader,

NACK, ignoring failure to create the machine via systemd is not
acceptable. Either systemd must be fixed, or we should delete the
bits systemd is leaving behind ourselves, or both.

Daniel
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