On Fri, Aug 30, 2013 at 7:14 PM, Cole Robinson <crobi...@redhat.com> wrote: > On 08/12/2013 06:02 PM, Paolo Bonzini wrote: >> 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, >> > > There's a Fedora bug about a related invocation crashing: > > ./x86_64-softmmu/qemu-system-x86_64 -machine accel=kvm -m 128 -vga std -boot d > -cpu pentium -machine isapc > > https://bugzilla.redhat.com/show_bug.cgi?id=986790 > > So I tried your patch on git master, but it gives: > > qemu-system-x86_64: Property '.kvmvapic' not found > > Changing the property name to 'vapic' fixes both issues for me. > > Thanks, > Cole >
Ping this patch. I had to make the same change as Cole for Gentoo as well. -- Doug Goldstein