Hey Geoff and Nick,
     With your help I can boot the qemu image with -enable-kvm parameters. 
If I don't  add -enable-kvm modules, I got blocked just like below: 
kevzha01@ent-arm-huawei-01:~/qemu-coreos$ sudo 
./coreos_production_qemu_uefi.sh -drive 
if=pflash,file=coreos_production_qemu_uefi_efi_code.fd,format=raw,readonly 
-drive if=pflash,file=coreos_production_qemu_uefi_efi_vars.fd,format=raw
qemu-system-aarch64: -device virtio-9p-pci,fsdev=conf,mount_tag=config-2: 
unable to init msix vectors to 2
Warning: Orphaned drive without device: 
id=pflash2,file=coreos_production_qemu_uefi_efi_code.fd,if=pflash,bus=0,unit=2
Warning: Orphaned drive without device: 
id=pflash3,file=coreos_production_qemu_uefi_efi_vars.fd,if=pflash,bus=0,unit=3













Welcome to GRUB!

check_signatures=no
cmddevice=hd2,gpt1
cmdpath=(hd2,gpt1)/EFI/BOOT
color_highlight=black/light-gray
color_normal=light-gray/black
feature_200_final=y
feature_all_video_module=y
feature_chainloader_bpb=y
feature_default_font_path=y
feature_menuentry_id=y
feature_menuentry_options=y
feature_nativedisk_cmd=y
feature_ntldr=y
feature_platform_search_hint=y
feature_timeout_style=y
grub_cpu=arm64
grub_platform=efi
lang=
locale_dir=
net_default_ip=(null)
net_default_mac=(null)
net_default_server=
pager=
prefix=(memdisk)
pxe_default_server=
root=hd2,gpt1
secondary_locale_dir=
error: no such device: 00000000-0000-0000-0000-000000000001.


                          GNU GRUB  version 2.02~beta2

 /----------------------------------------------------------------------------\
 |*CoreOS default                                                           
  | 
 | CoreOS USR-A                                                             
  |
 | CoreOS USR-B                                                             
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   | 
 \----------------------------------------------------------------------------/

      Use the ^ and v keys to select which entry is highlighted.          
      Press enter to boot the selected OS, `e' to edit the commands       
      before booting or `c' for a command-line.                           
                                                                            
   
EFI stub: Booting Linux Kernel...
EFI stub: Using DTB from configuration table
EFI stub: Exiting boot services and installing virtual address map...


Then it will be blocked and no response....
                                                                            
 


On Tuesday, 2 August 2016 08:09:10 UTC+8, Geoff Levand wrote:
>
> Hi, 
>
> On Thu, 2016-07-28 at 01:25 -0700, [email protected] <javascript:> 
> wrote: 
> >     I has used the CoreOS 1122 and the scrpit : 
> > coreos_production_pxe.sh,= 
>
> I tested coreos_production_pxe.sh and coreos_production_qemu.sh, 
> and they don't work. 
>
> Download all the files coreos_production_qemu_uefi*, and run 
> coreos_production_qemu_uefi.sh.  This worked when I tested it. 
>
> -Geoff 
>
>

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