Il 04/10/2013 18:52, Andreas Färber ha scritto: > 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.
It needs a v2 indeed... weird... Paolo