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Re: [Xen-users] Kernel panic on Xen 4.0.1 + Debian Squeeze

your root partition is hd0,0 not hd0,1.

On Wed, Sep 22, 2010 at 11:35:21PM +0400, Ilya Kozlov wrote:
> Hm, the problem is in grub2, with grub1 system boots successfully.
> 
> My currently grub2 menu entry is:
> menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64 and XEN
> 4.0-amd64' --class debian --class gnu-linux --class gnu --class os --class
> xen {
>  insmod ext2
> set root=(hd0,1)
> multiboot (hd0,1)/boot/xen-4.0-amd64.gz dummy=dummy iommu=off
>  module (hd0,1)/boot/vmlinuz-2.6.32-5-xen-amd64 dummy=dummy root=/dev/sda1
> ro
> module (hd0,1)/boot/initrd.img-2.6.32-5-xen-amd64
> 
> grub1 menu entry is:
> title Xen 4.0-amd64 / Debian GNU/Linux, kernel 2.6.32-5-xen-amd64
> root (hd0,0)
> kernel /boot/xen-4.0-amd64.gz iommu=off
> module /boot/vmlinuz-2.6.32-5-xen-amd64 root=/dev/sda1 ro console=tty0
> module /boot/initrd.img-2.6.32-5-xen-amd64
> 
> What's wrong in my configuration?
> 
> 2010/9/22 Ilya Kozlov <unicast.ru@xxxxxxxxx>
> 
> > Black screen came up after the xen begins loading, and after "loading dom0"
> > server goes reboot. This issue was solved by adding "iommu=off", but there
> > was another described in first letter :-(
> >
> > 2010/9/21 Mike Viau <viaum@xxxxxxxxxxxxxxx>
> >
> >
> >> > On Tue, 21 Sep 2010 20:45:22 +0400 <unicast.ru@xxxxxxxxx> wrote:
> >> >
> >> > I added option "iommu=off", becouse without it system show black screen
> >> > and reboots.
> >> >
> >>
> >> Does this black screen come up right after the kernel begins loading or
> >> just before the X windows system starts, like gdm3 in case of Debian 
> >> systems
> >> running the Gnome DE.
> >>
> >> On my system the black screen issue was resolved by adding "nomodeset"
> >> instead of "iommu=off" (but I do not recall the system rebooting).
> >>
> >> Anyways, I hope that help!
> >>
> >>
> >> -M
> >>
> >> _______________________________________________
> >> Xen-users mailing list
> >> Xen-users@xxxxxxxxxxxxxxxxxxx
> >> http://lists.xensource.com/xen-users
> >>
> >
> >
> >
> > --
> > WBR, Kozlov Ilya AKA unicast AKA Lin
> >
> >
> 
> 
> -- 
> WBR, Kozlov Ilya AKA unicast AKA Lin

> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users


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