[mythtv-users] Problem with tuning DVB-T

Malcolm Smith malc at porsche.demon.co.uk
Thu Jan 22 04:37:16 EST 2004


The setup worked with CVS from about 24 Dec. I recently updated the CVS 
and recompiled (last night 5pm UK time). Now the DVB won't tune.

It also completely crashes mythbackend... surely the behaviour for the 
driver should be to terminate gracefully to allow other recordings to 
proceed?

Anybody any ideas?

-malc-

2004-01-22 09:23:44 Started recording "Class TV: Numbertime" on channel: 
1015 on
 cardid: 1, sourceid 1
2004-01-22 09:23:44 DVB#0 WARNING - Unsupported inversion option 'auto', 
falling
 back to 'off'
2004-01-22 09:23:44 DVB#0 WARNING - Unsupported bandwidth parameter.
2004-01-22 09:23:44 DVB#0 ERROR - Setting Frontend failed.
          (22) Invalid argument
2004-01-22 09:23:44 DVB#0 ERROR - Tuning for channel #6 failed.
2004-01-22 09:23:44 Changing from None to RecordingOnly
2004-01-22 09:23:45 DVB#0 Recorder: Card opened successfully.
2004-01-22 09:23:45 DVB#0 ERROR - Failed to set filter for pid 0.
          (16) Device or resource busy

- Myth crashes at this point.


mysql> select * from dvb_channel where chanid=1015;
+--------+-----------+-----------+------------+-------------+-----------+-----------+------------+------+----------+-------+------------+-----------+--------------+--------------+-------------------+----------------+-----------+-----------+------------+------------+---------------+----------------+----------+------------+---------+----------+
| chanid | serviceid | networkid | providerid | transportid | frequency 
| inversion | symbolrate | fec  | polarity | satid | modulation | 
bandwidth | hp_code_rate | lp_code_rate | transmission_mode | 
guard_interval | hierarchy | fec_inner | pids_video | pids_audio | 
pids_teletext | pids_subtitles | pids_pcr | pids_other | cryptid | 
pmtcache |
+--------+-----------+-----------+------------+-------------+-----------+-----------+------------+------+----------+-------+------------+-----------+--------------+--------------+-------------------+----------------+-----------+-----------+------------+------------+---------------+----------------+----------+------------+---------+----------+
|   1015 |      NULL |      NULL |       NULL |        NULL | 842166670 
| 0         |    6900000 | 2/3  | V        |  NULL | qam_64     | 
8         | 2/3          | 1/2          | 2                 | 
1/32           | n         | auto      | 620        | 621        | 
4671          | NULL           | NULL     | NULL       |    NULL | 
NULL     |
+--------+-----------+-----------+------------+-------------+-----------+-----------+------------+------+----------+-------+------------+-----------+--------------+--------------+-------------------+----------------+-----------+-----------+------------+------------+---------------+----------------+----------+------------+---------+----------+
1 row in set (0.00 sec)

mysql> select * from dvb_pids where chanid=1015;
+--------+-----+------+------+
| chanid | pid | type | lang |
+--------+-----+------+------+
|   1015 | 620 | v    |      |
|   1015 | 621 | a    |      |
+--------+-----+------+------+
2 rows in set (0.00 sec)




Line from Channels.conf

CBBC 
Channel:754166670:INVERSION_OFF:BANDWIDTH_8_MHZ:FEC_3_4:FEC_3_4:QAM_16:TRAN
SMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:620:621:4671










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