[mythtv-users] Difficulty with KWorld ATSC 115 after Ubuntu Upgrade

[John Drescher]

On Thu, Oct 23, 2008 at 3:07 PM, Jacob Strandlien <kepesk at gmail.com> wrote:
> Hello!
>
> I have a MythTV box that I recently upgraded from Xubuntu Gutsy to
> Hardy. Ever since I did that, my video input card doesn't work!
>
> I have a K-World ATSC 115 which I use with an antenna to grab
> over-the-air ATSC signals. Before I upgraded from Gutsy, I got four
> stations perfectly (100% signal) and another five okay (90-95%
> signal). Ever since the upgrade, when I try to watch TV, MythTV never
> gets to the full 100%, and never locks onto any channel. The highest
> it gets is 99% signal, and it complains either of No Lock or Partial
> Lock with (L__) or (LA_) displayed, respectively.
>
> I've tried completely removing the card from MythTV and re-adding it,
> but when I scan for channels, all of the channels I used to get come
> up with "No Tables". I've tried watching TV with MPlayer, but it
> doesn't lock on either. This suggests to me that it may be a driver
> issue and not a Myth issue.
>
> None of the logs are any help either. The the Myth backend log simply
> responds as if I didn't get an adequate signal, along with every other
> log I've checked.
>
> I don't think it's the software anyway; yesterday, I swapped out the
> card with another, and there was no change.  It must be some sort of
> driver issue related to the upgrade.
>
> I've hunted far and wide on the internet for a solution. The closest
> I've found is the thread at
> http://www.gossamer-threads.com/list.../337610#337610 in which,
> halfway down, someone with Xubuntu encounters what appears to be the
> same problem with the same card, and fixes it by reinstalling the
> firmware. I tried this procedure, but it didn't change anything for
> me.
>
> Here are some of the relevant files and commands: My
> /etc/modprobe.d/saa7134.modprobe is this:
>
> alias char-major-81 videodev
> alias char-major-81-0 saa7134
> options saa7134 card=90 disable_ir=1
>
> Which seems to be correct according to several sources. 'dmesg | grep
> nxt' gives:
>
> [ 57.108128] nxt200x: NXT2004 Detected
> [ 57.148105] nxt2004: Waiting for firmware upload (dvb-fe-nxt2004.fw)...
> [ 57.909336] nxt2004: Waiting for firmware upload(2)...
> [ 59.457284] nxt2004: Firmware upload complete
>
> This also seems to be correct, according to several sources. The only
> anomaly I've found is in 'dmesg | grep saa' which reads:
>
> [ 56.118991] saa7130/34: v4l2 driver version 0.2.14 loaded
> [ 56.119498] saa7133[0]: found at 0000:04:07.0, rev: 209, irq: 16,
> latency: 32, mmio: 0xfddff000
> [ 56.119504] saa7133[0]: subsystem: 17de:7352, board: Kworld
> ATSC110/115 [card=90,insmod option]
> [ 56.119515] saa7133[0]: board init: gpio is 100
> [ 56.251570] saa7133[0]: i2c eeprom 00: de 17 52 73 ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.251578] saa7133[0]: i2c eeprom 10: ff ff ff ff ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.251583] saa7133[0]: i2c eeprom 20: ff ff ff ff ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.251588] saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.251593] saa7133[0]: i2c eeprom 40: ff ff ff ff ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.251598] saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.251603] saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.251607] saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff
> ff ff ff ff ff ff
> [ 56.533758] tuner 2-0061: chip found @ 0xc2 (saa7133[0])
> [ 56.623354] saa7133[0]: registered device video0 [v4l2]
> [ 56.623376] saa7133[0]: registered device vbi0
> [ 57.139869] saa7134 ALSA driver for DMA sound loaded
> [ 57.139910] saa7133[0]/alsa: saa7133[0] at 0xfddff000 irq 16
> registered as card -2
> [ 57.141135] DVB: registering new adapter (saa7133[0])
>
> This seems to be much longer than most other threads indicate it
> should be. In particular, I've never seen a reference to the eeprom
> lines anywhere else. Could this be related to the problem?  Does
> anyone here have experience with this card?
>
I have this card working under gentoo x86_64 with the v4l-dvb driver
and here is my dmesg | grep saa

[   35.890873] saa7130/34: v4l2 driver version 0.2.14 loaded
[   36.186323] saa7133[0]: found at 0000:01:0a.0, rev: 209, irq: 16,
latency: 64, mmio: 0xfa7ff000
[   36.186331] saa7133[0]: subsystem: 17de:7352, board: Kworld
ATSC110/115 [card=90,insmod option]
[   36.186348] saa7133[0]: board init: gpio is 100
[   36.337593] saa7133[0]: i2c eeprom 00: de 17 52 73 ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337605] saa7133[0]: i2c eeprom 10: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337615] saa7133[0]: i2c eeprom 20: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337625] saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337635] saa7133[0]: i2c eeprom 40: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337645] saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337655] saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337665] saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337675] saa7133[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337685] saa7133[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337695] saa7133[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337705] saa7133[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337715] saa7133[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337725] saa7133[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337735] saa7133[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.337745] saa7133[0]: i2c eeprom f0: ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff
[   36.376060] saa7133[0]: registered device video4 [v4l2]
[   36.376116] saa7133[0]: registered device vbi5
[   36.508898] DVB: registering new adapter (saa7133[0])

John