When I trying to specify 64-bit EFI BIOS nothing happens on VGA
nor serial console. It seems that CPU is continuously restarting.

Build and host system is Ubuntu 9.10:
Linux AST-mobile 2.6.31-22-generic-pae #73-Ubuntu SMP Fri Feb 11 
18:39:01 UTC 2011 i686 GNU/Linux

Qemu 0.14.0 was built with the following configuration options:
../src/configure --prefix=$PREFIX --target-list=x86_64-softmmu 
--source-path=../src --enable-kvm
--extra-cflags=-I$PREFIX/include --extra-ldflags=-L$PREFIX/lib

And launched:
qemu-system-x86_64 -L $PHOBOS_PREFIX/share/qemu/phobos64 -bios OVMF.fd 
-m 768 -cpu core2duo
-vga cirrus -monitor stdio -serial tcp::666,server -s -hdb 
$PHOBOS_PREFIX/share/qemu/phobos.disk -usb -enable-kvm

OVMF X64 is r11337.

"log cpu_reset" provides this information (continuously in a loop):
CPU Reset (CPU 0)
EAX=00000100 EBX=fffee0e4 ECX=c0000080 EDX=00000000
ESI=fffee2c4 EDI=00005042 EBP=fffee000 ESP=00000000
EIP=ffffff21 EFL=00010082 [--S----] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0008 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
CS =0010 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA]
SS =0008 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
DS =0008 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
FS =0008 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
GS =0008 00000000 ffffffff 00c09300 DPL=0 DS   [-WA]
LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy
GDT=     ffffff80 0000001f
IDT=     00000000 0000ffff
CR0=40000023 CR2=00000000 CR3=ffffe000 CR4=00000660
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 
DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
CCS=00000000 CCD=00000000 CCO=DYNAMIC
EFER=0000000000000000
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00000000
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 
XMM01=00000000000000000000000000000000
XMM02=00000000000000000000000000000000 
XMM03=00000000000000000000000000000000
XMM04=00000000000000000000000000000000 
XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 
XMM07=00000000000000000000000000000000

Best regards,
Artyom.

Jordan Justen wrote:
> On Thu, Mar 3, 2011 at 10:02, vagran <vagran.ast@gmail.com> wrote:
>   
>> I have taken EFI BIOS image from
>> http://sourceforge.net/apps/mediawiki/tianocore/index.php?title=OVMF
>> 32-bit version works perfectly. However 64-bit version for some reason
>> doesn't work on
>> qemu-system-x86_64.
>>     
>
> Hi.  I was wondering if you could describe the OVMF issue you saw with
> qemu-system-x86_64.
>
> I tried 0.14.0 with OVMF X64 (r11337), and it was able to boot to the EFI shell.
>
> I did see an issue while booting the 64-bit Ubuntu 10.10 live-cd, but
> occurred on both the legacy (seabios) and uefi (ovmf) firmware.  With
> kvm 0.14.0, in both cases the OS boots most of the way, but the
> graphics do not start properly when X starts.
>
> Thanks,
>
> -Jordan
>