Marc-André Lureau <marcandre.lur...@redhat.com> writes:

> A chardev may stop trying to write if the associated can_read()
> callback returned 0. This happens when the monitor is suspended.
> The frontend is supposed to call qemu_chr_fe_accept_input() when it is
> ready to accept data again.
>
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>

Impact?

Is this to be considered for 3.0?

> ---
>  monitor.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/monitor.c b/monitor.c
> index d580c5a79c..e1a14e02cf 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -4412,6 +4412,7 @@ void monitor_resume(Monitor *mon)
>              assert(mon->rs);
>              readline_show_prompt(mon->rs);
>          }
> +        qemu_chr_fe_accept_input(&mon->chr);
>      }
>      trace_monitor_suspend(mon, -1);
>  }

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