<div class="gmail_quote">On Wed, Jul 13, 2011 at 6:19 PM, Jarod Wilson <span dir="ltr"><<a href="mailto:jarod@wilsonet.com">jarod@wilsonet.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On Jul 13, 2011, at 4:57 PM, Jerry Rubinow wrote:<br>
<br>
> On Wed, Jul 13, 2011 at 4:37 PM, Jarod Wilson <<a href="mailto:jarod@wilsonet.com">jarod@wilsonet.com</a>> wrote:<br>
> On Jul 13, 2011, at 3:52 PM, Jerry Rubinow wrote:<br>
><br>
> > On Wed, Jul 13, 2011 at 3:21 PM, Jarod Wilson <<a href="mailto:jarod@wilsonet.com">jarod@wilsonet.com</a>> wrote:<br>
> > On Jul 13, 2011, at 9:03 AM, Tim Draper wrote:<br>
> ><br>
> > > mind if i ask what tv card you have?<br>
> > > the cx23885 has known issue with the lirc mceusb module and you have to use mythbuntu 10.10 without kernel updates and lirc =<0.8.7<br>
> ><br>
> > That TBS issue completely slipped my mind[*]. I'm reasonably sure it was<br>
> > not actually rc-core that broke anything, but rather, an unrelated<br>
> > commit that got into the kernel about the same time rc-core did. See<br>
> > here for reference:<br>
> ><br>
> > <a href="https://patchwork.kernel.org/patch/930442/" target="_blank">https://patchwork.kernel.org/patch/930442/</a><br>
> ><br>
> > In short, I bet its MSI that was horking up their card.<br>
> ><br>
> > [*] <a href="http://www.gossamer-threads.com/lists/mythtv/users/482986" target="_blank">http://www.gossamer-threads.com/lists/mythtv/users/482986</a><br>
> ><br>
> ><br>
> > Is it at all possible that the mceusb driver is interfering (sometimes) with audio recording from the HD-PVR?<br>
><br>
> Highly unlikely, unless you're saturating the bus, but then its not really<br>
> mceusb interfering so much as it is you asking too much of a slow bus. I<br>
> presume the HD-PVR *is* plugged into a USB 2.0 port?...<br>
><br>
> I presume that as well :)<br>
><br>
> At least, I haven't had any issue with audio in a long long time, and this is with no hardware changes, just the software upgrade. Thinking about it some more, the audio and the video are probably all mixed together in the mpeg stream coming from the HD-PVR, so it seems unlikely that audio would be affected and not video if it was a software/hardware issue with the usb driver/usb port.<br>
<br>
</div>Oh, duh, right. Yeah, audio and video would have been muxed together<br>
at the HD-PVR side before USB even got involved.<br>
<div class="im"><br>
<br>
> However, I did find this: <a href="http://www.gossamer-threads.com/lists/mythtv/users/471683" target="_blank">http://www.gossamer-threads.com/lists/mythtv/users/471683</a><br>
> which sounds similar to my issue, so I'll try that tonight and see if it makes a difference. Maybe slight timing changes in the new kernel, etc, caused this to surface.<br>
<br>
</div>Sounds plausible. It'd be a kernel bug if that's the case, so please do<br>
let us know the outcome.</blockquote><div><br></div><div>No audio issues since I tweaked the channel change script as mentioned in the linked thread, although I used a 2 second rather than 4 second wait. What is happening is that maybe twice now, I've lost communication with the HD-PVR. Repowering it restored communication. I read something in an old thread about the IR transmitting feature of the HD-PVR possibly causing problems, so I put in the modprobe option to disable that, since I don't use that feature anyway. Too soon to say whether it made any difference.</div>
<div><br></div><div>-Jerry</div></div>