[mythtv-users] Scan for channels not working with 2.6.20 kernel

[Brian Stretch]

>>  On 03/23/2007 10:01 PM, mtdean wrote:
>>> I experienced the same problem today with the .20 kernel. and the
>>> myth-suite latest from ATrpms. I tried two DVB boards (Airstar HD5000
>>> by Technistat and KWorld ATSC-110) Both returned no channels. Then
>>> I put in an old BT878 card. It picked up the usual SD channels without
>>> problem. Another problem with the DVB end of Myth, I guess.
>> 
>> You do realize that there's an issue with the 2.6.20 kernel that
>> prevents auto-loading of certain DVB modules (i.e. the cx88-dvb module),
>> right? If not, are you sure the problem you're seeing is in Myth?
>> 
>> The issue should be fixed in 2.6.21.
>
> No, this does look like a Mythtv issue.  I was modprobing cx88-dvb to 
> load at boot and while Mythtvsetup can't talk to the cards, azap can.

You need to modprobe cx88-dvb before mythbackend starts.  I added
modprobe cx88-dvb to my /etc/rc.d/init.d/mythbackend in the start()
function.  service restart mythbackend after the modprobe would work
too.  All the "missing" recording schedules returned once I did this.