[asterisk-users] Re: Xen, Asterisk & ISDN: Timing Problems

[jason]

Im passing a PVR-500, a PVR-250, a dual Intel Pro100 NIC (2 interfaces) 
one of the onboard IDE controllers, all of my USB ports and my FXO card 
without any hiccup. I stay pretty bleeding edge, so I can't say if this 
would work out of the box.  I did have to tweak a few PCI latency timers 
but nothing major.

Arik Raffael Funke wrote:
> That has been fixed in the current Xen, and as far as I can tell works 
> without problems. (At least for some NICs I had dedicated to another 
> domU.)
>
> Regards,
> Arik
>
>
> Howard Lowndes wrote:
>> I have to run Asterisk on the dom0 host as earlier versions of Xen 
>> had problems handing PCI control over to a domU kernel.  Does anyone 
>> know if this has been fixed yet?
>>
>>
>> Arik Raffael Funke wrote:
>>> Thanks. What kernels do you use for dom0 and the domU's? 
>>> Custom-built or out of the box?
>>>
>>> - Arik
>>>
>>>
>>> jason wrote:
>>>> I would vote RAM. I've been using a FXO card in xen for a good year 
>>>> now with no issues at all. In fact, my zttest timings are the same 
>>>> between xen and native.
>>>> Arik Raffael Funke wrote:
>>>>> Hi,
>>>>>
>>>>> is anybody running asterisk on a xen domU and can give an opinion 
>>>>> on the following:
>>>>>
>>>>> I have delegated a FritzCard and a HFC card to my domU and 
>>>>> installed an asterisk setup that was running on the same isdn 
>>>>> hardware but on a dedicated machine flawlessly.
>>>>>
>>>>> I experienced what I believed to be timing problems: sometimes 
>>>>> calls on the Fritzcard did not seem to "reach" asterisk, when 
>>>>> calls were being made, sometimes they were horribly distorted. I 
>>>>> quickly abandoned the project at the time for lack of time. I 
>>>>> would now make another trial.
>>>>>
>>>>> Can anybody tell me if the problems I was having were more likely 
>>>>> to result from the fact that the isdn hardware was dedicated to 
>>>>> the domU (i.e. maybe that produces some sort of bottleneck!?) or 
>>>>> from too little ram allocated to my domU? (I believe I had 128 MB 
>>>>> or so)
>>>>>
>>>>> Thanks,
>>>>> Arik
>>>>>
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>>>
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-- 
Jason
The place where you made your stand never mattered,
only that you were there... and still on your feet