Re: [Xen-API] VM.start_on returns VM_HVM_REQUIRED

[chris snow <chsnow123@xxxxxxxxx>]

Hi David,

xe vm-param-list output:

                    name-label ( RW): i-2-19-VM
              name-description ( RW): Template which allows VM
installation from install media
                  user-version ( RW): 1
                 is-a-template ( RW): false
                 is-a-snapshot ( RO): false
                   snapshot-of ( RO): <not in database>
                     snapshots ( RO):
                 snapshot-time ( RO): 19700101T00:00:00Z
                 snapshot-info ( RO):
                        parent ( RO): <not in database>
                      children ( RO):
             is-control-domain ( RO): false
                   power-state ( RO): halted
                 memory-actual ( RO): 0
                 memory-target ( RO): 0
               memory-overhead ( RO): 4194304
             memory-static-max ( RW): 104857600
            memory-dynamic-max ( RW): 104857600
            memory-dynamic-min ( RW): 104857600
             memory-static-min ( RW): 104857600
              suspend-VDI-uuid ( RW): <not in database>
               suspend-SR-uuid ( RW): <not in database>
                  VCPUs-params (MRW): weight: 9; cap: 0
                     VCPUs-max ( RW): 1
              VCPUs-at-startup ( RW): 1
        actions-after-shutdown ( RW): Destroy
          actions-after-reboot ( RW): Restart
           actions-after-crash ( RW): Destroy
                 console-uuids (SRO):
                      platform (MRW): viridian: true; acpi: true;
apic: true; pae: true; nx: false
            allowed-operations (SRO): changing_dynamic_range;
changing_shadow_memory; changing_static_range; make_into_template;
destroy; export; start_on; start; clone; copy; snapshot
            current-operations (SRO):
            blocked-operations (MRW):
           allowed-VBD-devices (SRO): 1; 2; 3
           allowed-VIF-devices (SRO): 0; 1; 2; 3
                possible-hosts ( RO):
               HVM-boot-policy ( RW): BIOS order
               HVM-boot-params (MRW): order: dc
         HVM-shadow-multiplier ( RW): 1.000
                     PV-kernel ( RW):
                    PV-ramdisk ( RW):
                       PV-args ( RW):
                PV-legacy-args ( RW):
                 PV-bootloader ( RW):
            PV-bootloader-args ( RW):
           last-boot-CPU-flags ( RO):
              last-boot-record ( RO): ''
                   resident-on ( RO): <not in database>
                      affinity ( RW): c47d712e-8aa8-fcd6-113e-8546532e5fcc
                  other-config (MRW): mac_seed:
b2088266-d6fd-dfd2-4b5e-84c037d085d6; install-methods: cdrom
                        dom-id ( RO): -1
               recommendations ( RO): <restrictions><restriction
field="memory-static-max" max="137438953472" /><restriction
field="vcpus-max" max="16" /><restriction property="number-of-vbds"
max="7" /><restriction property="number-of-vifs" max="7"
/></restrictions>
                 xenstore-data (MRW):
    ha-always-run ( RW) [DEPRECATED]: false
           ha-restart-priority ( RW):
                         blobs ( RO):
                    start-time ( RO): 19700101T00:00:00Z
                  install-time ( RO): 19700101T00:00:00Z
                  VCPUs-number ( RO): 0
             VCPUs-utilisation (MRO):
                    os-version (MRO): <not in database>
            PV-drivers-version (MRO): <not in database>
         PV-drivers-up-to-date ( RO): <not in database>
                        memory (MRO): <not in database>
                         disks (MRO): <not in database>
                      networks (MRO): <not in database>
                         other (MRO): <not in database>
                          live ( RO): <not in database>
    guest-metrics-last-updated ( RO): <not in database>
                   cooperative ( RO): true
             protection-policy ( RW): <not in database>
         is-snapshot-from-vmpp ( RO): false
                          tags (SRW):
                     appliance ( RW): <not in database>
                   start-delay ( RW): 0
                shutdown-delay ( RW): 0
                         order ( RW): 0
                       version ( RO): 0

On Fri, Apr 4, 2014 at 12:31 AM, David Bomba <turbo124@xxxxxxxxx> wrote:
> Hi Chris,
>
> are you able to go to the cli and retrieve the param-list for this VM? i
> think this may be due to VIRIDIAN flag being set to true.
>
> xe vm-param-list uuid=<uuid of vm>
>
>
> On 4 April 2014 10:21, chris snow <chsnow123@xxxxxxxxx> wrote:
>>
>> I have debian wheezy running xen host inside a virtualbox guest, so
>> the xen host doesn't have HVM.
>>
>> I am using a third party application (cloudstack) communicating with
>> xen using xapi.   I'm trying to create a VM using Ubuntu 12.04
>> installation ISO [1], but have set the OS type to 'Other (32 bit) so
>> that xen would not use HVM, but I receive the error VM_HVM_REQUIRED.
>>
>> I have captured the VM.create request here:
>> https://gist.github.com/snowch/9957480 and also the VM.start_on
>> response here: https://gist.github.com/snowch/9957480
>>
>> I had originally posted this question to the cloudstack mailing list,
>> but I now think the question is more relevant to this list because it
>> is actually a question about the xen api.
>>
>> Question 1:
>>
>> Is my understanding correct that I should be able to create a VM on a
>> non HVM Xen host using the Ubuntu install ISO?
>>
>> Question 2:
>>
>> If the answer to Q1 is 'yes', is there anything that stands out in the
>> VM.start request that is telling Xen that the vm must have HVM support
>> which is then telling xen to fail the request?   It seems that
>> somewhere in the xapi call stack for VM.start_on, the method
>> VM.get_HVM_boot_policy is getting called and returning that hvm is
>> required.
>>
>> Many thanks!
>>
>> Chris
>>
>> ---
>> [1] http://releases.ubuntu.com/12.04/ubuntu-12.04.4-server-i386.iso
>> [2]
>> https://github.com/xapi-project/xen-api/blob/master/ocaml/xapi/xapi_vm_helpers.ml#L488
>>
>> _______________________________________________
>> Xen-api mailing list
>> Xen-api@xxxxxxxxxxxxx
>> http://lists.xen.org/cgi-bin/mailman/listinfo/xen-api
>
>



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