On Thu, Aug 17, 2017 at 07:15:10AM +0200, Thomas Huth wrote:
> QEMU currently aborts unexpectedly when a user tries to do something
> like this:
>
> $ qemu-system-ppc64 -nographic -S -nodefaults -monitor stdio
> QEMU 2.9.92 monitor - type 'help' for more information
> (qemu) device_add spapr-rtc,id=spapr-rtc
> (qemu) device_del spapr-rtc
> **
> ERROR:qemu/qdev-monitor.c:872:qdev_unplug: assertion failed: (hotplug_ctrl)
> Aborted (core dumped)
>
> The RTC device is not meant to be hot-pluggable - it's an internal
> device only and it even should not be possible to create it a
> second time with the "-device" parameter, so let's mark this
> with "user_creatable = false".
>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
Applied to ppc-for-2.10, thanks.
> ---
> hw/ppc/spapr_rtc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/hw/ppc/spapr_rtc.c b/hw/ppc/spapr_rtc.c
> index 00a4e4c..9ec3078 100644
> --- a/hw/ppc/spapr_rtc.c
> +++ b/hw/ppc/spapr_rtc.c
> @@ -164,6 +164,8 @@ static void spapr_rtc_class_init(ObjectClass *oc, void *data)
>
> dc->realize = spapr_rtc_realize;
> dc->vmsd = &vmstate_spapr_rtc;
> + /* Reason: This is an internal device only for handling the hypercalls */
> + dc->user_creatable = false;
>
> spapr_rtas_register(RTAS_GET_TIME_OF_DAY, "get-time-of-day",
> rtas_get_time_of_day);
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson