Re: [Xen-users] status of guest/DomU UEFI + Grub support in Xen 4.6.1?

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Feb 23, 2016 at 01:59:03PM -0800, suse.dev@xxxxxx wrote:
> 
> 
> On Tue, Feb 23, 2016, at 09:01 AM, Wei Liu wrote:
> > >  --enable-ovmf
> > > 
> > > afaict from the .spec, it's NOT enabled for the current builds.
> > > 
> > 
> > Yes, I got the same conclusion.
> > 
> > You need to add that to the spec file if you want OVMF built.
> 
> I installed Xen pkgs rebuilt with
> 
>   --with-ovmf \
> 
> Checking at the build log,
> 
>   [   70s] + ./configure --with-ovmf --disable-xen 

This is not right. What configure did you run?

I don't think configure in Xen will even have an option called
"--disable-xen". :-)

> 
> I enabled verbose logging @ Dom0 grub
> 
>   GRUB_CMDLINE_XEN="... debug loglvl=debug guest_loglvl=debug"
> 
> I passed through & formatted an ESP for my Xen guest.
> 
> I installed Arch guest, and setup systemd-boot
> 
>  bootctl --path=/boot/efi install
> 
>  cat /boot/efi/loader/loader.conf
>   default  arch
>   timeout  4
>   editor   0
> 
>  cat /boot/efi/loader/entries/arch.conf
>   title          Arch
>   linux          /vmlinuz-linux
>   initrd         /initramfs-linux.img
>   options        root=LABEL=ROOT resume=LABEL=SWAP rw
> 
>  bootctl --path=/boot/efi update
>  tree /boot/efi
>       /boot/efi
>       |-- EFI
>       |   |-- Boot
>       |   |   `-- BOOTX64.EFI
>       |   `-- systemd
>       |       `-- systemd-bootx64.efi
>       `-- loader
>           |-- entries
>           |   `-- arch.conf
>           `-- loader.conf
> 
> I added 
> 
>       bios='ovmf'
> 
> to the .cfg, and launched the client
> 
>  xl create -c ./arch.cfg
>       Parsing config from ./arch.cfg
>       got a tsc mode string: "default"
>       xenconsole: Could not open tty `/dev/pts/4': No such file or directory
>       xenconsole: Could not read tty from store: No such file or directory
>       libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: console 
> child [4683] exited with error status 2
> 
> and at the Dom0's serial console, I get only
> 
>  (d5) [2016-02-23 21:49:56] HVM Loader
>  (d5) [2016-02-23 21:49:56] Detected Xen v4.6.1_01-412
>  (d5) [2016-02-23 21:49:56] Xenbus rings @0xfeffc000, event channel 1
>  (d5) [2016-02-23 21:49:56] Unknown BIOS ovmf, no ROM image found

And hvmloader is complaining you don't have OVMF.

>  (d5) [2016-02-23 21:49:56] *** HVMLoader bug at hvmloader.c:229
>  (d5) [2016-02-23 21:49:56] *** HVMLoader crashed.
> 

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