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Re: [libvirt] [virt-tools-list] Provision through virt-manager not supported on para-virtualized Xen?



On 02/02/2012 08:54 AM, Cheer Xiao wrote:
> 2012/2/2 Cole Robinson <crobinso redhat com>:
>> On 02/02/2012 08:05 AM, Cheer Xiao wrote:
>>> Hi all,
>>>
>>> I was setting up libvirt and virt-manager for managing Xen VMs. But
>>> when I hit "New" in virt-manager to provision a new VM, virt-manager
>>> gives me the error: "No install options available for this
>>> connection."
>>>
>>> The hypervisor being used is para-virtualized Xen, running on Debian Squeeze.
>>>
>>> lux-002# xm info
>>> host                   : lux-002
>>> release                : 2.6.32-5-xen-686
>>> version                : #1 SMP Mon Jan 16 19:46:09 UTC 2012
>>> machine                : i686
>>> nr_cpus                : 4
>>> nr_nodes               : 1
>>> cores_per_socket       : 1
>>> threads_per_core       : 2
>>> cpu_mhz                : 3200
>>> hw_caps                :
>>> bfebfbff:20100000:00000000:00000180:0000641d:00000000:00000001:00000000
>>> virt_caps              :
>>> total_memory           : 8191
>>> free_memory            : 1150
>>> node_to_cpu            : node0:0-3
>>> node_to_memory         : node0:1150
>>> node_to_dma32_mem      : node0:578
>>> max_node_id            : 0
>>> xen_major              : 4
>>> xen_minor              : 0
>>> xen_extra              : .1
>>> xen_caps               : xen-3.0-x86_32p
>>> xen_scheduler          : credit
>>> xen_pagesize           : 4096
>>> platform_params        : virt_start=0xf5800000
>>> xen_changeset          : unavailable
>>> xen_commandline        : placeholder com1=9600,8n1 console=com1,vga
>>> cc_compiler            : gcc version 4.4.5 (Debian 4.4.5-8)
>>> cc_compile_by          : waldi
>>> cc_compile_domain      : debian.org
>>> cc_compile_date        : Mon Nov  7 09:18:26 CET 2011
>>> xend_config_format     : 4
>>> lux-002# libvirtd --version
>>> libvirtd (libvirt) 0.8.3
>>>
>>
>> libvirt pokes into the host machine to try and figure out it's virt
>> capabilities. So something must be going wrong there. Here's the function it
>> uses in libvirt code:
>>
>> http://libvirt.org/git/?p=libvirt.git;a=blob;f=src/xen/xen_hypervisor.c;h=b5b2328c22ccffb17f7710b3ed6064907d744215;hb=HEAD#l2563
>>
>> Something must be funky or unexpected with /sys/hypervisor/properties/capabilities
>>
> 
> This is how it looks:
> 
> lux-002% cat /sys/hypervisor/properties/capabilities
> xen-3.0-x86_32p
> 
> So, is provision through on para-virtualized Xen *supposed* to be
> supported or not?
> 

That is saying your host supports 32bit paravirt guests only.

What's the output of 'virsh --connect xen:/// capabilities' ?

- Cole


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