Re: [Xen-devel] Question on RHEL 6 support

[Alok Sinha <aksinha@xxxxxxxxxxxxx>]

This happens when I am creating the VM. This leaves the VM imaging incomplete,

-Alok


On Oct 21, 2011, at 4:04 PM, Pasi Kärkkäinen wrote:

> On Fri, Oct 21, 2011 at 02:41:36PM +0530, Alok Sinha wrote:
>> Thanks Pasi. I am trying that.
>> 
>> By the way, I am getting following error while creating a HVM with rhel as 
>> guest:
>> 
>> 
>> "ERROR: no interface found for primary=eth0"
>> 
> 
> Where do you get that error? on dom0? in domU ? When does that happen?
> 
> -- Pasi
> 
> 
>> 
>> 
>> 
>> On Oct 21, 2011, at 11:41 AM, Pasi Kärkkäinen wrote:
>> 
>>> On Fri, Oct 21, 2011 at 10:29:46AM +0530, Alok Sinha wrote:
>>>> Pasi,
>>>> 
>>>>  Thanks for your response.
>>>>  So how do I disable xen platform device for VM? Any pointers?
>>>> 
>>> 
>>> You should be able to change it from /etc/xen/<name_of_the_vm> configfile.
>>> 
>>> Try:
>>> xen_platform_pci=0
>>> 
>>> -- Pasi
>>> 
>>>> 
>>>> On Oct 20, 2011, at 7:30 PM, Pasi Kärkkäinen wrote:
>>>> 
>>>>> On Thu, Oct 20, 2011 at 04:18:07PM +0530, Alok Sinha wrote:
>>>>>> Hi,
>>>>> 
>>>>> Hello,
>>>>> 
>>>>>>    I am trying to run RHEL 6 as guest over XEN (RHEL 5.6 as host)
>>>>>> hypervisor.
>>>>>>    It seems that RHEL 6 loads the paravirt drivers by default and thus 
>>>>>> HVM
>>>>>> mode is not working.
>>>>>>    Any idea on this?
>>>>> 
>>>>> What do you mean with "HVM mode is not working" ?
>>>>> 
>>>>> PVHVM drivers (for HVM guests) are there to make disk/net performance a 
>>>>> LOT better!
>>>>> The default qemu-dm emulated ide controller and realtek nic are not very 
>>>>> efficient..
>>>>> 
>>>>>>    I saw somewhere that including xen_emul_unplug=never will help. Is
>>>>>> there any other way it can be avoided?
>>>>>> 
>>>>> 
>>>>> You can also disable the xen platform pci device for that VM from dom0, 
>>>>> then the VM will not activate PVHVM drivers.
>>>>> 
>>>>> -- Pasi
>>>>> 
>>>> 
>> 


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