[mythtvnz] HDMI handshake

[Nick Rout]

On Sat, Jun 4, 2011 at 4:00 PM, Pshem Kowalczyk <pshem.k at gmail.com> wrote:
> Hi,
>
> I have a small (but annoying) problem with mythtv setup. At this stage
> I have a single FE/BE machine (with Nvidia 8200) connected over HDMI
> cable to my Samsung UA40C6900. Everything works like a charm, except
> when the frontend crashes. After it comes back there is no sound
> through the TV any more. Mythtv thinks that its all ok and sound is
> there, so does mplayer and every other piece of software that tries to
> output sound. The only way to fix it is to reboot the machine, which
> is not really elegant (and not always doable, if there is recording
> going on). Google suggests it might have something to do with HDMI
> handshake not working properly, but pulling out the HDMI cable,
> turning the TV off/on does not help either. I tried rmmod/modprobe
> nvidia drivers (270.41.19), sound modules - to no avail.
> Any idea if this can be fixed (and how)?

Have you tried restarting X and/or alsa?