On Fri, Mar 10, 2023 at 09:19:04AM +0000, Wu, Jiaxin wrote:
> Is this regression? I remember I tried the S3 on real silicon with the patch 
> change, don't see the issue in normal boot work flow. The only difference 
> what I did is to trigger S3 in the BIOS shell, but it does covered the 
> SmmRestoreCpu test. 
> 
> Now, I'm trying to reproduce the issue on ovmf, and build the OVMF boot on 
> windows qemu, but I saw below error during boot:
> SecCoreStartupWithStack(0xFFFCC000, 0x820000)
> ASSERT [SecMain] c:\dev\code\edk2\MdePkg\Library\BasePcdLibNull\PcdLib.c(95): 
> ((BOOLEAN)(0==1))
> 
> Build command is:
> build -p OvmfPkg\OvmfPkgIa32X64.dsc -a X64 -D SMM_REQUIRE -D 
> DEBUG_ON_SERIAL_PORT -D SOURCE_DEBUG_ENABLE
> 
> Run qemu command is:
> qemu-system-x86_64 -bios  
> C:\Dev\Code\edk2\Build\Ovmf3264\DEBUG_VS2015x86\FV\OVMF.fd -hda 
> fat:rw:hda-contents -serial file:log001.log -net none

Mine is this:

qemu-system-x86_64 -enable-kvm -machine q35,smm=on -m 4G -net none \
        -drive 
if=pflash,format=raw,file=Build/Ovmf3264/DEBUG_GCC5/FV/OVMF_CODE.fd,readonly=on 
\
        -drive 
if=pflash,format=raw,file=Build/Ovmf3264/DEBUG_GCC5/FV/OVMF_VARS.fd,snapshot=on 
\
        -chardev vc,id=fw.log -device isa-debugcon,iobase=0x402,chardev=fw.log \
        -cdrom /vmdisk/iso/Fedora-Workstation-Live-x86_64-37-1.7.iso \
        -device virtio-tablet-pci \
        -display gtk,show-tabs=on

> Anything need to be care to build OvmfPkgIa32X64?

It must be started with the correct flash configuration, see above.
The SMM-enabled builds also require the q35 machine type.

I have both SMM_REQUIRE and SECURE_BOOT enabled, that probably doesn't
make a difference though.  I'm using the isa-debugcon instead of the
serial port to get the debug log, that should not matter either.

> BTW, how can I boot linux guest in windows qemu?

Just grab some live iso.  The fedora image used above is available from
getfedora.org, but any live image should work.

How do you trigger suspend from efi shell?  There seems to be no
builtin command for that.

take care,
  Gerd



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