[mythtv-users] Testing DMA with VIA chipset?

[Michael T. Dean]

Peter Darley wrote:

> On Nov 11, 2005, at 2:56 AM, David wrote:
>
>> Robert Winburne wrote:
>>
>>> I just bought a cheapy MB (PCCHIPS KT266A M811LU), built a fileserver
>>> (w/ Ubuntu 5.04), and would like to turn it into a Myth backend.
>>
>> *If* you are using the Hauppage cards (PVR 150/250/350) then "just  
>> say no".
>
>     I recently set up a myth backend on a computer that I had around  
> that also had a VIA chipset.  I'm not sure now how to tell exaclty  
> what the motherboard is without opening up the box, but when I do an  
> lspci, the first line is: "00:00.0 Host bridge: VIA Technologies,  
> Inc. VT8378 [KM400/A] Chipset Host Bridge"
>
>     Anyway, I have a PVR-500 in this box, and while I had problems  
> getting it set up, none of them had to do with the motherboard; they  
> were all kernel issues.
>
>     Doing some reading on this list and through google, I get the  
> impression that the problems with the VIA chipset have been fixed in  
> newer bios' and that if it's a fairly new mobo, you're probably good  
> to go, and if there is a problem a bios flash will probably fix it.
>
>     So, long and short, if you have the hardware sitting around 
> already,  I'd go ahead and try it, and you'll probably be OK.

KM400 is new.  KT266 is not--regardless of when it was made.

KT266 is explicitly listed on the ivtvdriver.org site as bad.  
http://ivtvdriver.org/index.php/Troubleshooting

Mike