Re: [Xen-devel] IVTV and Xen

[Andy Clayton <xen.nospam@xxxxxxxxxx>]

Jason wrote:
> Has anyone had any luck getting IVTV .61 working in xen (Im on 3.0 
> unstable changeset  Fri Mar 31
> 00:26:07 2006 +0100 9494:8a8361994904 because of some unrelated driver 
> issues with another device).
> I keep getting a DMA issue. If this is fixed in a later rev, I will 
> upgrade but that will be a
> pretty major undertaking on this particular machine, so I thought I 
> would ask for others experience
> first.   This is what I get when the module inserts, this ia DomU 
> kernel BTW.
It has been a while, but I think I had a similar error with ivtv that 
could be fixed by passing "swiotlb=force" to the kernel (extra in the 
configs).  This was with an unstable changeset in between 3.0.1 and 
3.0.2.  When I changed over to 3.0.2 I believe it then started to panic 
with the setting, but booted fine without.  Since I've been busy trying 
to get a FreeBSD domU to work and have it not panic every two seconds, I 
have yet to look into it further.  Additionally when using that setting 
I could capture video initially, but after some time it would lock up.  
I don't know if that issue was related.   Anyways it would seem as if 
something affecting the issue was changed in or around 3.0.2--assuming 
my memory is even partially correct.  That setting may still be worth a 
try, though, if you do not want to try upgrading.
Sorry for the continuous stream of guessing and I thinks---Hopefully it 
helps,
Andy Clayton

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