[Qemu-devel] Re: [PATCH] Add error message for loading snapshot without VM state

[Juan Quintela <quintela@redhat.com>]

Kevin Wolf <kwolf@redhat.com> wrote:
> It already fails, but it didn't tell the user why.
>
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
>  savevm.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/savevm.c b/savevm.c
> index a50fd31..6e026a8 100644
> --- a/savevm.c
> +++ b/savevm.c
> @@ -1996,6 +1996,8 @@ int load_vmstate(const char *name)
>      if (ret < 0) {
>          return ret;
>      } else if (sn.vm_state_size == 0) {
> +        error_report("This is a disk-only snapshot. Revert to it offline "
> +            "using qemu-img.");
>          return -EINVAL;
>      }

Reviewed-by: Juan Quintela <quintela@redhat.com>