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Re: [Xen-users] Xen 2.0 testing: some sort of DMA failure for TV card


  • To: Rainer Schöpf <rainer.schoepf@xxxxxxxxxxxxx>
  • From: David Muench <davemuench@xxxxxxxxx>
  • Date: Mon, 20 Jun 2005 12:30:24 -0400
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 20 Jun 2005 16:29:27 +0000
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hmm. I have 3 PVR-250's in my dom0 and they're running great. I'm
using ivtv 0.2.0-rc3j and xen 2.0.6. I haven't tried presenting them
to a domU yet, but that is my eventual plan, to migrate my mythtv
backend to a domU.

Dave

On 6/20/05, Rainer Schöpf <rainer.schoepf@xxxxxxxxxxxxx> wrote:
> Hi,
> 
> I've been trying xen (2.0-testing) on different hardware. Everything works
> fine so far, except on my system at home: the Haupauge PVR 250 TV card
> (with hardware mpeg encoder) does not work with xen.
> 
> The ivtv for that card driver seems to work as such: if I turn on
> debugging, I see the interrupts and everything. Only the DMA transfers to
> get the mpeg data out of the card get a timeout. Here the debugging output
> is not really helpful.
> 
> I suspect the ivtv driver does something it isn't allowed to do even in
> dom0.
> 
> How should I proceed to find out where the problem lies?
> 
>   Rainer Schöpf
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
> 


-- 
David Muench - davemuench@xxxxxxxxx
Jabber ID: dave@xxxxxxxxxxxxxxxxxxxx

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