[mythtv-users] Tuning Woes

Kichigai Mentat kichigai at comcast.net
Tue Dec 13 22:54:05 EST 2005


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On Dec 13, 2005, at 20.58, Michael T. Dean wrote:

> Kichigai Mentat wrote:
>
>> Hello. I finally broke down and got a new tuner for my MythTV  
>> box.  I'm running an AMD Athlon 850 MHz with 256 MB of RAM, using  
>> a  Hauppauge PVR-150 capture card (Replacing my old ATI TV-Wonder  
>> VE card).
>>
>> I'm able to tune one channel in pretty well, but that's about the   
>> extent of it. It seems impossible to get MythTV to change the   
>> channel. This doesn't seem to be a problem with key bindings,  
>> since I  used MythWeb to schedule two different recordings on  
>> different  channels (at different times). Instead of The Three  
>> Stooges, I got an  infomercial for the Ab Sauna. Instead of  
>> Barenstein Bears on PBS, I  got a Tempurpedic bed infomercial. I'm  
>> sure that I have the proper  channel line up, and timing, and both  
>> infomercials were on the same  channel (Though the Stooges and the  
>> Bears were not).
>>
>> Any ideas what might be causing this or how to fix it?
>
> Not without details...
>
> What standard (i.e. NTSC/PAL B/...)?  What frequency tables are you  
> using (i.e. us-cable, us-cable-hrc, us-cable-irc)?  What channel  
> can you tune?
I'm in the US, so I'm using NTSC. I'm attempting to use the us-cable  
frequency table. I'm 90% sure that's the right frequency table. I'm  
not 100% sure, but my tuner seems to be stuck on channel 43.
>
> Most likely, you've specified a tuner type and it's not correct or  
> you are one of the unlucky people to get a tuner for which there's  
> no definition in the Linux kernel...  See http://www.gossamer- 
> threads.com/lists/mythtv/users/166976#166976 .  If that's your  
> problem (whether your tuner is the same as his or different), my  
> offer to Dan is extended to you, also--get me a data sheet and I'll  
> write you a tuner definition.
Well, my problem seems to be slightly different from Dan's. His tuner  
can at least change channels, mine does not/will not/cannot change  
them. Here's the output from dmesg:

ivtv:  ==================== START INIT IVTV ====================
ivtv:  version 0.4.0 (tagged release) loading
ivtv:  Linux version: 2.6.13.2-chw-3 SMP preempt 586 gcc-3.3
ivtv:  In case of problems please include the debug info
ivtv:  between the START INIT IVTV and END INIT IVTV lines when
ivtv:  mailing the ivtv-devel mailinglist.
ivtv0: Autodetected WinTV PVR 150 card (iTVC16 based)
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 9
PCI: setting IRQ 9 as level-triggered
ACPI: PCI Interrupt 0000:00:06.0[A] -> Link [LNKC] -> GSI 9 (level,  
low) -> IRQ 9
tveeprom: ivtv version
tveeprom: Hauppauge: model = 26032, rev = C199, serial# = 8163429
tveeprom: tuner = TCL 2002N 5H (idx = 99, type = 50)
tveeprom: tuner fmt = NTSC(M) (eeprom = 0x08, v4l2 = 0x00001000)
tveeprom: audio processor = CX25841 (type = 23)
tveeprom: decoder processor = CX25841 (type = 1c)
ivtv0: i2c attach to card #0 ok [client=tveeprom, addr=50]
tuner (ivtv): chip found at addr 0xc2 i2c-bus ivtv i2c driver #0
ivtv0: i2c attach to card #0 ok [client=(tuner unset), addr=61]
cx25840 0-0044: cx25841-23 found @ 0x88 (ivtv i2c driver #0)
cx25840 0-0044: loaded /lib/modules/HcwMakoA.ROM firmware (14264 bytes)
ivtv0: i2c attach to card #0 ok [client=cx25840, addr=44]
wm8775 0-001b: chip found @ 0x36 (ivtv i2c driver #0)
ivtv0: i2c attach to card #0 ok [client=wm8775, addr=1b]
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
ide: failed opcode was: unknown
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
ide: failed opcode was: unknown
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
ide: failed opcode was: unknown
ivtv0: loading /lib/modules/ivtv-fw-enc.bin
ivtv0: Encoder revision: 0x02040011
ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB  
total)
ivtv0: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB  
total)
ivtv0: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB  
total)
ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers  
(2048KB total)
tuner: type set to 50 (TCL 2002N) by ivtv i2c driver #0
ivtv0: Initialized WinTV PVR 150, card #0
ivtv:  ====================  END INIT IVTV  ====================
cx2388x v4l2 driver version 0.0.5 loaded
lirc_i2c: chip found @ 0x71 (Hauppauge IR (PVR150))
ivtv0: i2c attach to card #0 ok [client=Hauppauge IR (PVR150), addr=71]

 From that output, I can honestly say I have no idea if I have the  
same problem or not. I'll also be totally honest and have no idea  
where to find that data sheet you're talking about.

I'm having trouble telling if my modules.conf file does or does not  
list the ivtv module. However, since MythTV can actually able to  
display something from the tuner, I'm going to assume that it is loaded.

In case it's important, I'm using the latest version of KnoppMyth.  
Thanks for all you help.
>
> Mike
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> mythtv-users at mythtv.org
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