Re: [SeaBIOS] A20: ahci_process_op is called with A20 off

2017-05-12 Thread Xu, Anthony
> -Original Message- > From: Paolo Bonzini [mailto:pbonz...@redhat.com] > Sent: Friday, May 12, 2017 9:29 AM > To: Kevin O'Connor <ke...@koconnor.net>; Xu, Anthony > <anthony...@intel.com> > Cc: seabios@seabios.org; kra...@redhat.com; stefa...@gma

Re: [SeaBIOS] A20: ahci_process_op is called with A20 off

2017-05-11 Thread Xu, Anthony
> SeaBIOS has a couple of different methods to accomplish this mode > switching - it can directly switch modes (C16_BIG switch) or it can > use a helper in SMM mode to perform the switch (C16_SMM). The > preferred method is C16_SMM as C16_BIG isn't available in VM86 mode > and it also clobbers

[SeaBIOS] A20: ahci_process_op is called with A20 off

2017-05-10 Thread Xu, Anthony
Hi All, I recently met an issue, I can't boot my centos guest in below scenarios. I disabled kvmvapic by diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index c3829e3..52be2b0 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -440,7 +440,7 @@ static const