[mythtv-users] Strange DVB-S Behavour

alex at apics.co.uk alex at apics.co.uk
Sun Mar 8 16:39:56 UTC 2009


Hi All,
        I just wanted to pick peoples brains, to see if anyone has come 
across the below before.....  I have recently bought a Hauppauge 
NOVA-HD-S2 (DVB-S) card....  I've 'borrowed' a normal Sky Mini Dish, and 
set it up, and using a satellite finder it appears to have a good signal. 
I've pulled the latest v4l drivers, and installed them, and all appears to 
be well, upto a point:

        When I scan for channels, they appear to be found, but in the 
output I don't get channels names, just 4 'random' characters:

fiesta:~/scan# scan ./Astra-28.2E |tee channels6.conf
scanning ./Astra-28.2E
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
initial transponder 10773000 H 22000000 5
initial transponder 10788000 V 22000000 5
initial transponder 10803000 H 22000000 5
initial transponder 10818000 V 22000000 5
initial transponder 10832000 H 22000000 5
initial transponder 10847000 V 22000000 5
>>> tune to: 10773:h:0:22000
DVB-S IF freq is 1023000
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0100
WARNING: filter timeout pid 0x010e
WARNING: filter timeout pid 0x0108
WARNING: filter timeout pid 0x0107
WARNING: filter timeout pid 0x0106
WARNING: filter timeout pid 0x010a
WARNING: filter timeout pid 0x010f
WARNING: filter timeout pid 0x0105
WARNING: filter timeout pid 0x0010
>>> tune to: 10788:v:0:22000
DVB-S IF freq is 1038000
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0106
WARNING: filter timeout pid 0x0104
WARNING: filter timeout pid 0x0102
WARNING: filter timeout pid 0x0100
WARNING: filter timeout pid 0x0105
WARNING: filter timeout pid 0x0101
WARNING: filter timeout pid 0x0103
WARNING: filter timeout pid 0x0010
>>> tune to: 10803:h:0:22000
DVB-S IF freq is 1053000
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0000
WARNING: filter timeout pid 0x0010
>>> tune to: 10818:v:0:22000
DVB-S IF freq is 1068000
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0106
WARNING: filter timeout pid 0x0104
WARNING: filter timeout pid 0x0102
WARNING: filter timeout pid 0x0100
WARNING: filter timeout pid 0x0105
WARNING: filter timeout pid 0x0101
WARNING: filter timeout pid 0x0103
WARNING: filter timeout pid 0x0010
>>> tune to: 10832:h:0:22000
DVB-S IF freq is 1082000
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0000
WARNING: filter timeout pid 0x0010
>>> tune to: 10847:v:0:22000
DVB-S IF freq is 1097000
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0000
WARNING: filter timeout pid 0x0010
dumping lists (22 services)
Done.
[189d]:10773:h:0:22000:0:0:6301
[189e]:10773:h:0:22000:0:0:6302
[18a2]:10773:h:0:22000:0:0:6306
[18ab]:10773:h:0:22000:0:0:6315
[18ad]:10773:h:0:22000:0:0:6317
[18ae]:10773:h:0:22000:0:0:6318
[18bb]:10773:h:0:22000:0:0:6331
[18bf]:10773:h:0:22000:0:0:6335
[283d]:10788:v:0:22000:0:0:10301
[283e]:10788:v:0:22000:0:0:10302
[283f]:10788:v:0:22000:0:0:10303
[2840]:10788:v:0:22000:0:0:10304
[2841]:10788:v:0:22000:0:0:10305
[2842]:10788:v:0:22000:0:0:10306
[2851]:10788:v:0:22000:0:0:10321
[286f]:10818:v:0:22000:0:0:10351
[2870]:10818:v:0:22000:0:0:10352
[2871]:10818:v:0:22000:0:0:10353
[2872]:10818:v:0:22000:0:0:10354
[2873]:10818:v:0:22000:0:0:10355
[2874]:10818:v:0:22000:0:0:10356
[2883]:10818:v:0:22000:0:0:10371

        Note I'm using a cut down version of the Astra-28.2E file, just to 
speed up debugging, I've left in the transponders I care about.....

        Could it be poor signal strength causing this?  At some points 
during my struggles I have occasionally got some channel names.....

        If I szap to one of the above channels I get a lock, but if I cat 
/dev/dvb/adapter0/dvr0 I get nothing out of it:

fiesta:~/scan# szap "[189d]" -c channels6.conf -r
reading channels from file 'channels6.conf'
zapping to 1 '[189d]':
sat 0, frequency = 10773 MHz H, symbolrate 22000000, vpid = 0x1fff, apid = 
0x1fff sid = 0x189d
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
status 1f | signal d840 | snr e000 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e199 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d940 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e199 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e199 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d940 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e199 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e199 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e333 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK
status 1f | signal d8c0 | snr e199 | ber 00000000 | unc 00000000 | 
FE_HAS_LOCK

        Also whilst the above is running dvbtraffic gives:

fiesta:/dev/dvb/adapter0# dvbtraffic
0011     4 p/s     0 kb/s     6 kbit
0012     0 p/s     0 kb/s     1 kbit
0032     3 p/s     0 kb/s     5 kbit
0055     0 p/s     0 kb/s     1 kbit
0060     5 p/s     0 kb/s     7 kbit
00c0     2 p/s     0 kb/s     3 kbit
0105     0 p/s     0 kb/s     1 kbit
0107     1 p/s     0 kb/s     2 kbit
0610     0 p/s     0 kb/s     1 kbit
071a     0 p/s     0 kb/s     1 kbit
08a8     0 p/s     0 kb/s     1 kbit
0904    27 p/s     4 kb/s    40 kbit
0909     6 p/s     1 kb/s    10 kbit
090e     0 p/s     0 kb/s     1 kbit
092f     5 p/s     0 kb/s     7 kbit
0a1f     0 p/s     0 kb/s     1 kbit
0a69     0 p/s     0 kb/s     1 kbit
0ee8     0 p/s     0 kb/s     1 kbit
0f02     0 p/s     0 kb/s     1 kbit
0f03     2 p/s     0 kb/s     3 kbit
0f05     1 p/s     0 kb/s     2 kbit
0f06     0 p/s     0 kb/s     1 kbit
0f07    10 p/s     1 kb/s    15 kbit
0f08     5 p/s     0 kb/s     7 kbit
1388    54 p/s     9 kb/s    81 kbit
1389     2 p/s     0 kb/s     3 kbit
138a     3 p/s     0 kb/s     5 kbit
13ec    53 p/s     9 kb/s    80 kbit
13ed     3 p/s     0 kb/s     5 kbit
13ee     3 p/s     0 kb/s     5 kbit
13ef     0 p/s     0 kb/s     1 kbit
1450    38 p/s     6 kb/s    57 kbit
1451     3 p/s     0 kb/s     5 kbit
1452     3 p/s     0 kb/s     5 kbit
14b4    55 p/s    10 kb/s    82 kbit
14b5     4 p/s     0 kb/s     6 kbit
14b6     3 p/s     0 kb/s     5 kbit
1518    27 p/s     4 kb/s    41 kbit
1519     3 p/s     0 kb/s     5 kbit
151a     1 p/s     0 kb/s     2 kbit
151c     0 p/s     0 kb/s     1 kbit
157c    66 p/s    12 kb/s    99 kbit
157d     3 p/s     0 kb/s     5 kbit
157f     0 p/s     0 kb/s     1 kbit
1580     0 p/s     0 kb/s     1 kbit
17cd     0 p/s     0 kb/s     1 kbit
1fff    23 p/s     4 kb/s    35 kbit
2000   447 p/s    82 kb/s   672 kbit
-PID--FREQ-----BANDWIDTH-BANDWIDTH-

        So I guess some things are working?

        I may have completely missed something.... I've been using DVB-T 
for ages, and only want DVB-S so I can get some HD channels.....  Any help 
really would be appreciated

        I've included the output of the dvb commands above as they're 
easier to document, but I get just the same symptoms in mythtv, I end up 
with channels with random 4 letter names, no channel numbers, which I 
can't watch ;-(

Thanks in advance

Alex

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