[libvirt] fully virtualized xen guest question

Christoph Höger choeger at cs.tu-berlin.de
Thu Jul 31 21:31:39 UTC 2008


Hi,

I am running XEN on an debian etch. For clustering purposes I wanted to
boot fedora as virtual machine. 

That works (except for nfs mounts) fine using the paravortualization
features.

But fully virtulalized guests do not even boot, I do not get any
sensefull error message, my config file looks like:

<domain type='xen'>
<name>werewolf</name>

<os>
        <type>hvm</type>
        <loader>/usr/lib/xen-3.0.3-1/boot/hvmloader</loader>

<kernel>/data/virtual/kernel/kvm1/vmlinuz-2.6.18-6-amd64</kernel>

<initrd>/data/virtual/kernel/kvm1/initrd.img-2.6.18-6-amd64</initrd>
        <cmdline>root=/dev/hda1</cmdline>
</os>
  <memory>524M</memory>
  <vcpu>1</vcpu>
  <devices>
        <emulator>/usr/bin/kvm</emulator>
        <disk type='file'>
                <source file='/tmp/werewolf.img.plb13810'/>
                <target dev='hda1' bus='xen'/>
        </disk>
        <interface type='bridge'>
                <source bridge='virbr1'/>
        </interface>

</devices>
  <features>
        <acpi/>
  </features>

</domain>
<domain type='xen'>
<name>werewolf</name>

<os>
        <type>hvm</type>
        <loader>/usr/lib/xen-3.0.3-1/boot/hvmloader</loader>

<kernel>/data/virtual/kernel/kvm1/vmlinuz-2.6.18-6-amd64</kernel>

<initrd>/data/virtual/kernel/kvm1/initrd.img-2.6.18-6-amd64</initrd>
        <cmdline>root=/dev/hda1</cmdline>
</os>
  <memory>524M</memory>
  <vcpu>1</vcpu>
  <devices>
        <emulator>/usr/bin/kvm</emulator>
        <disk type='file'>
                <source file='/tmp/werewolf.img.plb13810'/>
                <target dev='hda1' bus='xen'/>
        </disk>
        <interface type='bridge'>
                <source bridge='virbr1'/>
        </interface>

</devices>
  <features>
        <acpi/>
  </features>

</domain>

all I get when tryin virsh create is:

xend_post: error from xen daemon: (xend.err "Error creating domain: (0,
'Error')")

Whats wrong?


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