[mythtv-users] PVR-500 second tuner not working in Fedora 12

spp10 spp10 at bell.net
Mon Mar 29 17:06:42 UTC 2010


On Mon, 2010-03-29 at 09:43 -0700, kanetse at gmail.com wrote:
> I had a MythTV-0.21-fixes setup working in CentOS 5.2, but decided to
> upgrade to MythTV-0.22 on Fedora 12 recently.  I am now encountering
> issues with my PVR-500 that previously worked fine under CentOS 5.
> 
> Tuner #1 of the PVR-500 works fine with no issues.  However, tuner #2
> has been terrible.  When first switching to tuner 2, everything seems
> okay.  However, once a channel change is performed about 2 out of
> every 3 times, the video looks okay, but the audio is completely
> scrambled.  It is a loud, metallic grinding type sound that one would
> assume damages speakers at a normal volume.  
> 
> As an example, supposed I first tune to channel 45 -- usually the
> audio is okay on the first tuning, then I change to channel 46 (the
> audio will inevitably be screwed up), and then change back to 45, the
> audio will probably be screwed up on channel 45 as well.  So channels
> that previously had "good audio" seem to go bad after a channel
> change.  The only exception to this appears to be channel 2.  But I
> don't know why.
> 
> I am not sure if this is similar to the "audio glitch" problem that
> was mentioned on this list and the wiki; but the suggested fixes don't
> seem to work.  This might be because the suggestions were for older
> versions of linux and the tools no longer function.
> 
> Anyone have any solutions?  Where do I start to look for problems?
> 
> Thanks!
Might be a clue here http://ubuntuforums.org/showthread.php?t=1028051 .
It seems to have helped my problem.



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