[mythtv] I am having major problems with pchdtv-3000, cable and svn mythtv.

[Harley Peters]

Daniel Kristjansson wrote:
> On Tue, 2006-11-14 at 16:00 -0600, Harley Peters wrote:
>> Daniel Kristjansson wrote:
>>> Dylan, your problem is almost certainly due to a motherboard
>>> chipset problem. To work around it you will want to make sure
>>> that the pcHDTV card and your video card do not share an
>>> interrupt and you will want to extend your PCI latency to
>>> at least 64 for the pcHDTV card, and reduce the PCI latency
>>> for the video card (especially if it is not an AGP card).
>>> Making the cards not share an interrupt may require changing
>>> which slots on the motherboard they are plugged into if you
>>> can not rearrange them in the BIOS settings. If you have any
>>> further questions reply on the user's list and BCC me so I
>>> don't miss the post there.
> 
>> I can confirm this is the problem.
>>
>> When recording via azap and watching another recording the program being 
>> recorded via azap was corrupt.
>> Also when recording via mythtv and then dropping back to the console the
>> recording though not perfect was much better than usual.
>> Unfortunately there doesn't appear to be anyway to get it to work either.
>> None of my cards are sharing an interrupt with the video card. And even 
>> after pulling out all the cards except the video card and pchdtv-3000 
>> card it still didn't work.
>> I do have another pc used as a server i could put it in but don't really 
>> want to.
>> I have also been considering the hdhomerun device. Does anyone know how 
>> well that works with mythtv ?
> 
> The HDHomeRun works fine for me, but so do the pcHDTV cards.
> If you search the MythTV mailing lists for 'setpci' you should be
> able to find some HOWTO's on setting the PCI latency, which I
> believe should work except that some chipsets do not allow you
> to change the latencies. In that case only a new motherboard
> will solve the problem. You might also want to check dmesg, a
> failing hard drive or CD-ROM drive will sometimes swamp the PCI
> bus, but in that case dmesg should be giving you error messages.
> 
> -- Daniel
> 
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> 

I already use setpci to adjust the latency of the video card. Doesn't 
help :(

Something must of changed some where (not mythtv) as this setup used to 
work.

Harley