Re: [Qemu-devel] [PATCH 1/1] qmp: process system-reset event in paused state

[Paolo Bonzini <pbonzini@redhat.com>]

On 16/12/2015 10:00, Denis V. Lunev wrote:
> With pvpanic or HyperV panic devices could be moved into the paused state
> with ' <on_crash>preserve</on_crash>'. In this state VM reacts only to
> 'virsh destroy' or 'continue'.
> 
> 'virsh reset' command is usually used to force guest reset. The expectation
> of the behavior of this command is that the guest will be force restarted.
> This is not true at the moment.

Does "virsh reset" + "virsh continue" work, and if not why?

> Thus it is quite natural to process 'virh reset' aka qmp_system_reset
> this way, i.e. allow to reset the guest. This behavior is similar to
> one observed with 'reset' button on real hardware :)

Paolo

> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Markus Armbruster <armbru@redhat.com>
> CC: Dmitry Andreev <dandreev@virtuozzo.com>
> ---
>  qmp.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/qmp.c b/qmp.c
> index 0a1fa19..df17a33 100644
> --- a/qmp.c
> +++ b/qmp.c
> @@ -112,6 +112,10 @@ void qmp_stop(Error **errp)
>  void qmp_system_reset(Error **errp)
>  {
>      qemu_system_reset_request();
> +
> +    if (!runstate_is_running()) {
> +        vm_start();
> +    }
>  }
>  
>  void qmp_system_powerdown(Error **erp)
>