[mythtv-users] Problems when trying to tune in a non-existant channel

[Nick]

On 8/17/05, Jonathan Fors <etnoy at broach.se> wrote:
> Hello.
> 
> I have this problem with my PVR. If I am watching channel #1 with
> mythtv, and I press CH- on the remote, mythtv goes crazy. The frontend
> goes black with no ability to stop and crashes after a while, and the
> backend needs to be restarted. When I check the logs I see that the
> backend tries to tune in channel number ".", yes, that' channel number
> "dot". The frontend reports "waited too long to be allowed to read" and
> then dies after a while.
> 
> I had some problems with my initial tune-in of the program, and after
> each change in the channels dialog in the myth setup, I need to re-set
> the default channel to a valid channel number in the card setup, or else
> the card would tune in channel number "dot".
> 
> This seems like two bugs; first the "default channel" setting in the
> inital setup program is cleared after each change in the channel setup
> screen, and also that mythtv tries to tune in channel # "dot" when
> "default channel" is not set.
> 
> Running myth 18.1 and ubuntu hoary, tuner: Hauppauge Nova-T PCI
> (cx88_dvb driver)

Hopefully these bugs will be fixed in the big DVB update in progress
at the moment. Trying to tune to a non-broadcasting DVB channel will
also crash the frontend and require some editing to the DB I think
because the non-accessible channel is stored.

I'd recommend using something like phpMyAdmin to look at the database
and see if the channels are OK or if there are any obvious fields that
need to be corrected. Once the card has finished its scan and the
channels are setup correctly, you shouldn't have any issues with DVB.

Nick