[Pkg-xen-devel] Bug#912381: Bug#912381: xen-utils-4.11: /usr/lib/xen-4.11/bin/pygrub is missing after upgrade from xen-utils-4.8

[Hans van Kranenburg]

Hi,

On 10/31/2018 09:10 PM, Dimitar Angelov wrote:
> On Wed, 31 Oct 2018 19:16:11 +0100 Hans van Kranenburg
> <hans at knorrie.org> wrote:
>> An alternative that might help you now might be to switch to pvgrub2?
>> https://blog.xenproject.org/2015/01/07/using-grub-2-as-a-bootloader-for-xen-pv-guests/
>>
>> Search for "Debian" in that page to find pointers to the grub-xen
>> packages.
> 
> Thank you for suggestion using pvgrub2 PV VM is booting properly.
> Only for information what I was done:
> 1. Booted Gust OS (Debian stretch) with kernel from DOM0 guest.cfg.
> kernel      = '/boot/vmlinuz-4.18.0-2-amd64'
> extra       = 'elevator=noop'
> ramdisk     = '/boot/initrd.img-4.18.0-2-amd64'
> 
> 2. Installed grub-pc which replace grub-legacy
> apt-get install grub-pc
> 
> 3. Shutdown guest and modify guest.cfg
> kernel      = '/usr/lib/grub-xen/grub-x86_64-xen.bin'
> extra       = '(xen/xvda2)/boot/grub/grub.cfg'
> 
> DOM0 have installed grub-xen-bin and grub-xen-host.
> 
> Create guest and is booted properly via GRUB2.

Great! pvgrub2 is a newer, safer and more robust solution, recommended.
The only downside can be that you already have to choose to boot the 32
or 64 bit image, but in many cases that's not a problem.

Thanks for also sharing the steps, since it might help someone else who
runs into the same or a similar problem.

Hans