> Date: Fri, 2 Jul 2010 13:51:14 -0700
> Subject: Re: Xen on Squeeze won't start
> From: rip...@woodlandschools.org
> To: debian-user@lists.debian.org
> CC: wa...@debian.org
>
> Well just in case someone else hits this... once my colleague
> suggested I look closer at what grub2 was doing, and after more time
> on Google and experimenting I came up with this... the actual xen 3.4
> hypervisor isn't being put into the grub2 boot list. It's not good
> booting off the one that says ...-xen-... as that appears to be the
> paravirtualised kernel, not the hypervisor. So, the following in
> /etc/grub.d/40_custom
>
> menuentry "Xen 3.4 / Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64" {
> insmod raid
> insmod mdraid
> insmod ext2
> set root='(md0)'
> search --no-floppy --fs-uuid --set
> c924a87f-1ff0-4483-8029-a0e67dcc434f
> multiboot (md0)/boot/xen-3.4-amd64.gz dummy=dummy
> module (md0)/boot/vmlinuz-2.6.32-5-xen-amd64 dummy=dummy
> root=UUID=c924a87f-1ff0-4483-8029-a0e67dcc434f nomodeset
> module (md0)/boot/initrd.img-2.6.32-5-xen-amd64
> }
>
> (change md0 for your boot devic and get your uuid out of /etc/fstab), set
>
> GRUB_DEFAULT="Xen 3.4 / Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64"
>
> in /etc/default/grub, run update-grub and reboot. Finally a ps -e |
> grep xen shows a bunch of xen processes!
>
> Now to see how it actually performs...
>
>
>
>
> On Thu, Jul 1, 2010 at 10:03 AM, Rippl, Steve
> <rip...@woodlandschools.org> wrote:
> > Hi,
> > We've been running Xen on Lenny for some time and it's worked great, but
> > with a new server and some older Xen kernel issues around acpi we're trying
> > the newer version on Squeeze.
> > So, I did a base install of Squeeze alpha 1, then apt-get install
> > xen-linux-system-2.6.32-5-xen-amd64 xen-tools. After adjusting the Grub 2
> > boot menu (installing the Xen kernel doesn't put it at the top of the boot
> > menu, so by default Grub booted into the 'trunk' kernel) the server rebooted
> > into the Xen kernel (uname -r gives 2.6.32-5-xen-amd64) and yet xend won't
> > start! Running xm create... I get "Error: Unable to connect to xend: No
> > such file or directory. Is xend running?". Trying to start via /etc/init.d
> > I get nothing!
> > I've seen the close bug report
> > (http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=580500) where someone
> > seems to have the same error as me, I also have "Booting paravirtualized
> > kernel on bare hardware" in kern.log, and Bastian says it's user error, but
> > doesn't explain how that's user error!?
> > Any insight is much appreciated!
> > Thanks,
> > Steve
> > --
Does the attached script help? It is an executable grub2 shell script.
-M
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20_linux_xen.in
Description: Binary data
