Re: Xen PV drivers for FreeBSD

2010-11-24 Thread Justin T. Gibbs
On 11/23/2010 8:27 AM, Yuriy Kohut wrote:
> Hi,
> 
> I'm trying HVM DomU since FreeBSD paravirtualized is not stable enough.
> 
> Is there any Xen PV drivers which could be used for HVM FreeBSD DomU to not 
> load system by full hardware virtualization ?

Yes.  Use the XENHVM kernel config file.

--
Justin
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Re: Xen PV drivers for FreeBSD

2010-11-24 Thread Yuriy Kohut
Hi,

It is for amd64 only, correct ?

Do you know is it stable enough ?
---
Yura

On Nov 24, 2010, at 3:48 PM, Justin T. Gibbs wrote:

> On 11/23/2010 8:27 AM, Yuriy Kohut wrote:
>> Hi,
>> 
>> I'm trying HVM DomU since FreeBSD paravirtualized is not stable enough.
>> 
>> Is there any Xen PV drivers which could be used for HVM FreeBSD DomU to not 
>> load system by full hardware virtualization ?
> 
> Yes.  Use the XENHVM kernel config file.
> 
> --
> Justin

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Re: Xen PV drivers for FreeBSD

2010-11-24 Thread Justin T. Gibbs
On 11/24/2010 10:03 AM, Yuriy Kohut wrote:
> Hi,
> 
> It is for amd64 only, correct ?

I have only tested it on amd64, but I don't know of anything inherent in
the PV driver framework that would prevent it from operating on other
architectures.

> Do you know is it stable enough ?

It has been quite stable for me.  There are still some issues with clock
interrupt processing ("time going backwards messages on the console at
times"), but nothing that brings down the system.

BTW, my testing has been primarily on -current, but I just merged
the latest Xen PV driver support into stable/8, so it should work
fine there too.

--
Justin
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Re: Xen PV drivers for FreeBSD

2010-11-24 Thread Sean Bruno


On Wed, 2010-11-24 at 09:03 -0800, Yuriy Kohut wrote:
> Hi,
> 
> It is for amd64 only, correct ?
> 
> Do you know is it stable enough ?
> ---
> Yura
> 

The version in -CURRENT and FreeBSD 8 that Justin is talking about is
very stable.

I will be updating FreeBSD 7 and 6 today.  You will need to update from
source to get this version as it is not on the release ISOs

We are using it a lot at Yahoo.  It is very stable.

Sean

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