[mythtv-users] Ticket # 10414

Thomas Mashos thomas at mashos.com
Fri Nov 16 17:23:28 UTC 2012

On Fri, Nov 16, 2012 at 9:05 AM, Brian Phillips <brian.phillips at byu.net>wrote:

> Indeed, it was controversial to close this ticket as a kernel issue with
> Ubuntu 12.04 (and by extension, Mythbuntu).  Maybe I'm missing the
> explanation of why Mythtv 0.24 worked just fine (per folks who roll back),
> and Mythtv 0.25 doesn't, when the problem is described as a conflict of
> interest between the kernel shipping with Ubuntu 12.04 and the libraries
> for
> the hdhomerun (libmythhdhomerun).  I'd appreciate any explanation that
> someone wants to offer, though I know I'm not entitled to one and my
> request
> can easily be ignored without dire consequences ;).
> Also interesting to note in my case, the bad recordings only seem to happen
> on one of my channels, and only with recorded programs.  Myth and HD config
> GUI can tune just fine to this channel and watch LiveTV without issue.
> Recordings get pixelated, blocky, "autotuned" sound issues, and rarely
> complete the full recording.
> For those of us who are not kernel hackers, is there any way to correct
> this
> rbuf_max issue without rolling our own kernel?
> http://code.mythtv.org/trac/ticket/10414
> I am running:
> Mythbuntu 12.04
> Kernel: 3.2.0-33-generic-pae
> Myth version:
> MythTV Version : v0.25.3-11-gace510a
> MythTV Branch : fixes/0.25
> Network Protocol : 72
> Library API : 0.25.20120506-1
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://www.mythtv.org/mailman/listinfo/mythtv-users

You don't need to roll your own kernel, it's a simple setting change. The
Mythbuntu packages have even done this change for you for any build in the
last 4 months. See


Thomas Mashos
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