Am 04.10.2013 18:47, schrieb Paolo Bonzini: > Il 26/08/2013 18:17, Michael S. Tsirkin ha scritto: >> On Mon, Aug 26, 2013 at 05:17:07PM +0200, Andreas Färber wrote: >>> Am 26.08.2013 17:01, schrieb Paolo Bonzini: >>>> Il 26/08/2013 16:34, Andreas Färber ha scritto: >>>>> Am 26.08.2013 14:21, schrieb Paolo Bonzini: >>>>>> Il 13/08/2013 00:02, Paolo Bonzini ha scritto: >>>>>>> vapic requires the VAPIC ROM to be mapped into RAM. This is not >>>>>>> possible without PAM hardware. This fixes a segmentation fault >>>>>>> running with -M isapc. >>>>>>> >>>>>>> Cc: qemu-sta...@nongnu.org >>>>>>> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> >>>>>>> --- >>>>>>> >>>>>>> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c >>>>>>> index a19e172..3aa244a 100644 >>>>>>> --- a/hw/i386/pc_piix.c >>>>>>> +++ b/hw/i386/pc_piix.c >>>>>>> @@ -743,6 +743,11 @@ static QEMUMachine isapc_machine = { >>>>>>> .init = pc_init_isa, >>>>>>> .max_cpus = 1, >>>>>>> .compat_props = (GlobalProperty[]) { >>>>>>> + { >>>>>>> + .driver = "apic-common", >>>>>>> + .property = "kvmvapic", >>>>>>> + .value = "off", >>>>>>> + }, >>>>>>> { /* end of list */ } >>>>>>> }, >>>>>>> DEFAULT_MACHINE_OPTIONS, >>>>>>> >>>>>> >>>>>> Ping. >>>>> >>>>> I had double-checked that my pending qom-test covers isapc and succeeds >>>>> with and without your patch, so apparently this is visible at runtime >>>>> only. >>>> >>>> Yes, it only happens after kvmvapic is actually enabled by the option ROM. >>> >>> Maybe Michael can pick it up along with the compat refactorings? >> >> Sure, I'll put it on my tree but I already prepared a pull request >> for today, it will go into the next one. > > Michael, can you post this patch together with the ACPI pull request?
What about the comment wrt s/kvmvapic/vapic/g? Haven't seen any response or v2. Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg