<br><br><div><span class="gmail_quote">On 11/30/06, <b class="gmail_sendername">Roland Roberts</b> <<a href="mailto:roland@astrofoto.org">roland@astrofoto.org</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
>>>>> "John" == John Drescher <<a href="mailto:drescherjm@gmail.com">drescherjm@gmail.com</a>> writes:<br><br> John> On 11/29/06, Roland Roberts <<a href="mailto:roland@astrofoto.org">
roland@astrofoto.org</a>> wrote:<br> >> I missed the original post, but...<br> >> I've have my PVR-500 for about a year, and since the upgrade to ivtv<br> >> 0.80, I've had problems. 0.81 is no different. I have several
<br> >> channels which are problematic. At some points it acts very much<br> >> like the mpeg encoder/decoder is "confused" and image blocks get all<br> >> jumbled. Then it will suddenly settle down and work again for a
<br> >> while. This happens both when watching live TV and when recording.<br> >><br><br> John> This sounds like a dma problem and not the same problem as I<br> John> am having with the prv500. Actually, I had a similar dma
<br> John> problem with my pvr250 which I have connected to an older dual<br> John> processor athlon mp 2400. To solve my issue I patched ivtv to<br> John> not use dma. Look at the source code for PIO. It works
<br> John> flawlessly but takes 25% of one cpu while recording. I did<br> John> this patch a long time ago, as I am using a 2.6.13 kernel on<br> John> that box which is my master backend and I record several hours
<br> John> a day as I have > 600 GB of recorded shows at the moment and<br> John> 90%+ of this is with the pvr250.<br><br>Hmmm, did you get the DMA error messages mentioned on the ivtv site:<br><br> <a href="http://www.ivtvdriver.org/index.php/DMA">
http://www.ivtvdriver.org/index.php/DMA</a><br><br>'cause I do *not* see those in my logs.<br><br></blockquote></div>I do not remember as this was a year ago or more...<br><br>John<br>