[mythtv-users] all tuners suddenly unavailable

[Michael T. Dean]

  On 08/11/2010 05:49 PM, Greg Woods wrote:
> On Wed, 2010-08-11 at 12:18 -0400, Michael T. Dean wrote:
>> As well as the optimize_mythdb.pl that Tyler mentioned, you also should
>> check that your hostname and IP address haven't changed.
> I'm sure they haven't. But this may be closer to the mark. What I see is
> that if I delete all capture cards, then add them back in, I can see
> them. But if I quit out of mythtv-setup, then start it up and go back
> into capture cards again, they are gone, although the entries in the
> capturecard and cardinput tables look OK.
>
> Any place in particular to look for host/IP mismatches?

Every single config.xml and mysql.txt on your system...  Look for 
LocalHostName overrides.

Mike