[mythtv-users] DVB#0 Error - Could not find dvb tuning parameters

[Chris Trown]

Steve Deal wrote:
> HD-3000 card running on SuSE 10 both frontend and backend on the same box.
> dmesg reports:
> Linux video capture interface: v1.00
> ivtv_tveeprom: module not supported by Novell, setting U taint flag.
> cx2388x v4l2 driver version 0.0.5 loaded
> intel8x0_measure_ac97_clock: measured 52870 usecs
> intel8x0: clocking to 48000
> ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 5
> ACPI: PCI Interrupt 0000:00:0a.0[A] -> Link [LNKB] -> GSI 5 (level, low) 
> -> IRQ 5
> cx88[0]: subsystem: 7063:3000, board: pcHDTV HD3000 HDTV 
> [card=22,autodetected]
> TV tuner 52 at 0x1fe, Radio tuner -1 at 0x1fe
> i2c-algo-bit.o: (0) scl=1, sda=1
> i2c-algo-bit.o: (1) scl=1, sda=0
> i2c-algo-bit.o : (2) scl=1, sda=1
> i2c-algo-bit.o: (3) scl=0, sda=1
> i2c-algo-bit.o: (4) scl=1, sda=1
> i2c-algo-bit.o: cx88[0] passed test.
> cx88[0]/0: found at 0000:00:0a.0, rev: 5, irq: 5, latency: 64, mmio: 
> 0xdd000000
> lgdt330x: module not supported by Novell, setting U taint flag.
> or51132: module not supported by Novell, setting U taint flag.
> cx2388x dvb driver version 0.0.5 loaded
>  : chip found @ 0xc2 (cx88[0])
> tuner 1-0061: type set to 52 (Thomson DDT 7610 (ATSC/NTSC))
> cx88[0]/0: registered device video0 [v4l2]
> cx88[0]/0: registered device vbi0
> cx88[0]/0: registered device radio0
> ACPI: PCI Interrupt 0000:00:0a.2[A] -> Link [LNKB] -> GSI 5 (level, low) 
> -> IRQ 5
> cx88[0]/2: found at 0000:00:0a.2, rev: 5, irq: 5, latency: 64, mmio: 
> 0xde000000
> cx88[0]/2: cx2388x based dvb card
> DVB: registering new adapter (cx88[0]).
> DVB: registering frontend 0 (pcHDTV HD3000 HDTV)...
> 
> I can acquire ASTC channels using azap and display using mplayer so I 
> know I have a signal.
> 
> When it comes to MythTV I've been steadily working through several 
> issues (e.g. gcc3.4, joystick.h) and I have run mythtv-setup, 
> mythfilldatabase, started mythbackend and I get the following output 
> with error:
> 2005-12-17 00:16: 24.016 Using runtime prefix = /usr/local
> 2005-12-17 00:16:24.030 New DB connection, total: 1
> 2005-12-17 00:16:24.037 Enabling Settings Cache.
> 2005-12-17 00:16:24.037 Clearing Settings Cache.
> 2005-12-17 00:16:24.039 Current Schema Version: 1120
> Starting up as the master server.
> 2005-12-17 00:16:24.047 New DB connection, total: 2
> 2005-12-17 00:16:24.051 DVB#0 Using DVB card 0, with frontend 'pcHDTV 
> HD3000 HDTV'.
> 2005-12-17 00:16: 24.053 New DB connection, total: 3
> 2005-12-17 00:16:24.054 DVB#0 ERROR - Could not find dvb tuning 
> parameters for transport 32767
> 2005-12-17 00:16:24.055 DVB#0 ERROR - Failed to get channel options for 
> channel 11.
> 2005-12-17 00:16:24.065 New DB scheduler connection
> 2005-12-17 00:16:24.075 mythbackend version: 0.19.20051208-1 
> www.mythtv.org <http://www.mythtv.org>
> 2005-12-17 00:16:24.075 Enabled verbose msgs:  important general
> 2005-12-17 00:16:24.076 AutoExpire: Found 1 recorders w/max rate of 138 
> MiB/min
> 2005-12-17 00:16:24.077 AutoExpire: Required Free Space: 3.0 GB w/freq: 
> 10 min
> 
> I have seen other postings for this error but nothing that leads me to a 
> solution.
> I would appreciate any suggestions on what to try next.
> 


      I ran into that one last night.  I *think* I know what the problem 
may be.  My message is a little different.  I got a "File not found" 
error when the backend was starting up.

      By looking at the logs ans scanning the time that the entries were 
logged, I figured out that the kernel modules were not loaded when the 
backend was starting.  I was loading the modules with modprobe in 
rc.local, which is executed after the backend startup script is executed.

      I put the modprobe command in the mythbackend startup script, 
which is icky.  I believe that has fixed the problem, though I need a 
few more reboots to make sure.

      There has got to be a better way to do this.  Anybody have any 
pointers?

Chris...

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