Re: Asking for help to debug xen efi on Kunpeng machine

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

Hi Jiatong,

Do you have access to the serial? If so, it is possible that the boot
is actually successful and it is only the screen initialization the
problem.

If kunpeng 920 is a UEFI/ACPI machine, we know that there are issues
with screen initialization.

Cheers,

Stefano

On Fri, 9 Jun 2023, Jiatong Shen wrote:
> Hello community,
>    
> I need help for debugging XEN on aarch64 architecture. The machine I am 
> working on is a kunpeng 920 armv8 compatible CPU. I use debian 11
> as operating system and installed xen-system-arm64 without any problem. But 
> when I boot into xen hypervisor mode, the machine screen is
> black out without any output or any helpful debugging message. 
> 
>   Could you generously provide some hints for debugging the issue?  Thank you 
> very much in advance and looking forward to hearing from you.
> 
> --
> 
> Best Regards,
> 
> Jiatong Shen
> 
>