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

[Alok Sinha <aksinha@xxxxxxxxxxxxx>]

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"


-Alok



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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