Re: [Fedora-xen] Updating xen package does not 'refresh' grub.cfg

[Dario Faggioli]

On Mon, 2013-02-11 at 20:37 +0000, M A Young wrote:
>  > menuentry 'Fedora, with Xen hypervisor' --class
> gnu-linux --class gnu --class os --class xen $menuentry_id_option
> 'xen-gnulinux-simple-86a900c9-aa88-49f1-a007-0facdf17b732' {
>  >        insmod part_msdos
>  >        insmod ext2
>  >        set root='hd0,msdos8'
>  >        if [ x$feature_platform_search_hint = xy ]; then
>  >          search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos8
> --hint-efi=hd0,msdos8 --hint-baremetal=ahci0,msdos8  20f18f9a-c006-4d92-93d2-bf053c163638
>  >        else
>  >          search --no-floppy --fs-uuid --set=root
> 20f18f9a-c006-4d92-93d2-bf053c163638
>  >        fi
>  >        echo    'Loading Xen xen ...'
>  >        multiboot       /xen.gz placeholder
>  >        echo    'Loading Linux 3.7.6-201.fc18.x86_64 ...'
>  >        module  /vmlinuz-3.7.6-201.fc18.x86_64 placeholder
> root=/dev/mapper/host-fedora_root ro
>  > }
>  
>  Did you update the kernel at the same time?
>  
Well, it can definitely be. In this specific case, I `yum upgrade'-ed
the system after a while and it installed both a new kernel and a new
Xen (along with a bunch of other stuff, of course).

>  That looks like what you might 
>  get with grubby which is run (which doesn't handle xen very well, which is 
>  why xen-hypervisor runs grub2-mkconfig).
>   
Mmm... I see. Well, I think it's quite possible that a kernel and a xen
update happen at the same time, so this seems quite an issue to me... Am
I wrong?

What can we do to improve the situation? Should I open a bug against
grubby?

Thanks and Regards,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://retis.sssup.it/people/faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)