[mythtv-users] LMSc

belcampo belcampo at zonnet.nl
Sat Jun 7 21:53:24 UTC 2008

Pepijn Schmitz wrote:
> I recently installed MythTV 0.21 on my Ubuntu Server 8.04. It has a 
> TechnoTrend Budget C-1500 (DVB-C) card with a Multicrypt CAM which has 
> worked perfectly with MythTV 0.20 on Fedora Core 5 so far, but now I'm 
> having trouble.
> Very often when tuning to a new channel when watching live TV I will get 
> the letters LMS. which will after a few seconds turn into LMSc and then 
> nothing more will happen. When it gets into this state it usually starts 
> doing it for any channel I try to tune to, but when I try often enough 
> it sometimes clears up and will tune to a channel it previously 
> couldn't. If I restart the backend the situation usually clears up for a 
> while (I can tune to a channel which wouldn't work before the restart).
> This is annoying enough, but even more frustrating is that it also 
> happens when recording scheduled programs! The symptom is that the 
> recording appears to start fine, but when I try to start the recorded 
> program in the frontend I get the message "the recorded file cannot be 
> found" (I'm paraphrasing), and sure enough if I look in my recordings 
> directory there is no corresponding mpg file and nothing has been 
> recorded. (I don't actually know whether this is the same problem, but 
> it does seem likely.) It does this about half the time, which is 
> extremely frustrating. I've already missed many programs I would very 
> much liked to have seen...
> This didn't happen at all with version 0.20, recording scheduled 
> programs was rock solid in that version, so it must have something to do 
> with changes in version 0.21 (or possibly the OS since I also went from 
> Fedora Core 5 to Ubuntu Server 8.04). I'm hoping the good people on this 
> list can help me find out what's going on. I have a couple of specific 
> questions:
> * What does the C in LMSC stand for (for that matter, what do the other 
> letters mean)?
L Lock
> * Why didn't version 0.20 have the C?
c crypted NOT able to decrypt
C crypted and able to decrypt
> * Can I turn off whatever it is the C stands for? 0.20 didn't have it, 
> and it also didn't have this problem, so apparently it's something I 
> don't need and can cause problems.
Yes you need it and can't be turned off
> * What can I do to generate more debugging or logging information in 
> order to investigate this problem further?
Probably you used your .20 database which was upgraded to .21. 
Rescanning your channels might improve matters.
Another option is the .21-fixes version and also rescanning. With DVB-S 
I also had these troubles.

Henk Schoneveld
> Kind regards,
> Pepijn Schmitz
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