Re: how to boot Xen Dom0 in Grub2 SVN trunk

[Vladimir 'phcoder' Serbinenko]

On Mon, Jun 15, 2009 at 9:41 PM, uzer cheg<address@hidden> wrote:
> Dear all,
> I'd like to ask you for an advice regarding Xen Dom0 support in
> current Grub2 trunk.
> Has anybody tried to boot Xen Dom0 by Grub2 on latest versions (r 2322
> for instance)?
>
> I installed Debian Linux 5.0 (lenny) with Dom0.
> It works fine and loads in Xen Dom0 via legacy grub supplied by Debian.
> Than I got latest grub2 via svn and built it as usual. Also I made
> custom /grub2/core.img by grub-mkimage
> On start computer loads old legacy grub. Than it loads grub2 as
> # kernel /grub2/core.img
> Grub2 starts fine and I try to load Xen.
> menuentry "xen" {
>
>         multiboot /boot/xen-3.2-1-amd64.gz dom0_mem=640M
>         module /boot/vmlinuz-2.6.26-1-amd64 root=/dev/mapper/mainVG-rootLV ro
>         module /boot/initrd.img-2.6.26-1-amd64
>
> }
>
> It tries to boot and crash with message
> ...
> (XEN) Early fatal page fault at e008:ffff828c801da4a2 ... etc
> (XEN) Stack dump
>
> I tried to load xen by using command
> multiboot /boot/xen-3.2-1-amd64.gz dom0_mem=640M
>
xen 3.3 has a bug which results in this behaviour. Either use xen 3.4
or try attached dirty workaround for grub2
> Result was the same.
>
>
> Please remeber that the same Xen Dom0 boots Ok via grub legacy.
>
> Do I have to add any special commands to grub2.cfg ?
>
> Is it Xen's fault and do I have to upgrade it?
>
>
> Thank you in advance.
>
>
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>



-- 
Regards
Vladimir 'phcoder' Serbinenko

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