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Re: [Xen-users] openSUSE in domU on a CentOS dom0

  • To: "trilok nuwal" <tc.nuwal@xxxxxxxxx>
  • From: "Rakhesh Sasidharan" <rakheshster@xxxxxxxxx>
  • Date: Sat, 17 Feb 2007 08:18:24 +0400
  • Cc: Xen list <xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 16 Feb 2007 20:17:45 -0800
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No answers anyone?

On 2/16/07, Rakhesh Sasidharan <rakheshster@xxxxxxxxx> wrote:
> > A question though: now that you mentioned the user manual. I didn't
> > understand why you said above I must export my host /dev/hda8 as the
> > guests' /dev/sda1 coz its paravirtualized. Why is it that way? Could
> > elaborate a bit please or point me to some docs?
>  this is becuse yr config file map the real physical partition  /dev/hda8 to
> virtual  /dev/sda1 in yr guest domain.

So always all my real partitions will be mapped from hd* to sd*. I
can't map from hd* to hd* hmm?

>  xend.log showing that yr domain is crashing. How much memory do u have on
> yr machine ?
>  and /dev/hda8 is yr root partition or not  for openSuse ?
>  Could u check xen-hotplug.log logs, if anythg is there.

My machine has 512MB RAM. I have limited the dom0 memory to 128MB by
passing dom0_mem=131072 to Xen in GRUB.

I have assigned 256MB RAM to openSUSE.

These are the entries I have in xen-hotplug.log:

xenstore-read: couldn't read path backend/vbd/14/773/params
xenstore-read: couldn't read path backend/vbd/2/776/params
xenstore-read: couldn't read path backend/vbd/2/773/params
xenstore-read: couldn't read path backend/vbd/4/776/params
xenstore-read: couldn't read path backend/vbd/4/773/params
interface vif4.0 does not exist!
interface vif10.0 does not exist!
interface vif12.0 does not exist!
interface vif14.0 does not exist!
interface vif18.0 does not exist!

Makes no sense to me ... What is xen-hotplug.log supposed to contain?

Just in case its of some use, here's the output to "xm info":

host                   : ____
release                : 2.6.16-xen
version                : #1 SMP Thu Feb 15 19:17:07 GST 2007
machine                : i686
nr_cpus                : 1
nr_nodes               : 1
sockets_per_node       : 1
cores_per_socket       : 1
threads_per_core       : 1
cpu_mhz                : 2391
hw_caps                : bfebfbff:00000000:00000000:00000080:00004400
total_memory           : 504
free_memory            : 357
xen_major              : 3
xen_minor              : 0
xen_extra              : .2
xen_caps               : xen-3.0-x86_32
platform_params        : virt_start=0xfc000000
xen_changeset          : Sat Apr  8 12:14:27 2006 +0100 9598:1bce05ff1e52
cc_compiler            : gcc version 3.4.6 20060404 (Red Hat 3.4.6-3)
cc_compile_by          : root
cc_compile_domain      : ____
cc_compile_date        : Thu Feb 15 18:22:33 GST 2007


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