Not sure the detail.
Could you please add more comment, such as, what issue? Why crash? Why changing to Broadwell can resolve it?
any URL?
> -----Original Message-----
> From: Oliver Steffen <osteffen@redhat.com>
> Sent: Tuesday, January 17, 2023 1:41 AM
> To: devel@edk2.groups.io
> Cc: Andrew Fish <afish@apple.com>; Ard Biesheuvel
> <ardb+tianocore@kernel.org>; Feng, Bob C <bob.c.feng@intel.com>; Bi,
> Dandan <dandan.bi@intel.com>; Gerd Hoffmann <kraxel@redhat.com>;
> Wang, Jian J <jian.j.wang@intel.com>; Yao, Jiewen <jiewen.yao@intel.com>;
> Justen, Jordan L <jordan.l.justen@intel.com>; Leif Lindholm
> <quic_llindhol@quicinc.com>; Gao, Liming <gaoliming@byosoft.com.cn>;
> Kinney, Michael D <michael.d.kinney@intel.com>; Michael Kubacki
> <mikuback@linux.microsoft.com>; Ni, Ray <ray.ni@intel.com>; Sami
> Mujawar <sami.mujawar@arm.com>; Sean Brogan
> <sean.brogan@microsoft.com>; Chen, Christine <yuwei.chen@intel.com>;
> Pawel Polawski <ppolawsk@redhat.com>; chris.fernald@outlook.com; Oliver
> Steffen <osteffen@redhat.com>
> Subject: [PATCH v11 17/17] OfmvPkg: CI: Qemu tests: set CPU to Broadwell
>
> Work around a bug in Ovmf that causes Ovmf to crash on startup
> when running in recent versions of Qemu. Setting the cpu model
> to something older, for example "Broadwell" works around the issue.
>
> Signed-off-by: Oliver Steffen <osteffen@redhat.com>
> ---
> OvmfPkg/PlatformCI/PlatformBuildLib.py | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/OvmfPkg/PlatformCI/PlatformBuildLib.py
> b/OvmfPkg/PlatformCI/PlatformBuildLib.py
> index bfef9849c749..93f7d7aa13d6 100644
> --- a/OvmfPkg/PlatformCI/PlatformBuildLib.py
> +++ b/OvmfPkg/PlatformCI/PlatformBuildLib.py
> @@ -194,6 +194,7 @@ class PlatformBuilder( UefiBuilder,
> BuildSettingsManager):
> cmd = "qemu-system-x86_64"
> args = "-debugcon stdio" # write messages to
> stdio
> args += " -global isa-debugcon.iobase=0x402" # debug
> messages out thru virtual io port
> + args += " -cpu Broadwell" # workaround Qvmf
> bug
> args += " -net none" # turn off network
> args += f" -drive file=fat:rw:{VirtualDrive},format=raw,media=disk" #
> Mount disk with startup.nsh
>
> --
> 2.39.0