[linux-dvb] Help Request: DM1105 STV0299 DVB-S PCI - Unable to tune

Shaun Murdoch scrauny at gmail.com
Wed Jul 22 19:01:50 CEST 2009


Hi everyone,
First post so please be gentle :-)

I was wondering if anyone can help me please - I am trying to get a DVB-S
PCI card working with Linux (Ubuntu 9.04). So far I can get the card
recognised by Linux, but it won't tune - Kaffeine does tell me that there is
95% signal and 80% SNR, and I am using the same frequencies etc that a
standard Sky box uses.

The card is very common on eBay so I am sure there are plenty people who
have tried this / would want this working.

Some details that I hope will help someone who knows more than I do about
this!

The card is one of these:
http://cgi.ebay.co.uk/DVB-S-Satellite-TV-Tuner-Video-Capture-PCI-Card-Remote_W0QQitemZ130314645048QQcmdZViewItemQQptZUK_Computing_Computer_Components_Graphics_Video_TV_Cards_TW?hash=item1e575bae38&_trksid=p3286.c0.m14&_trkparms=65:12|66:2|39:1|72:1690|293:1|294:50

lspci:
03:09.0 Ethernet controller: Device 195d:1105 (rev 10)

My dmesg output - looks ok?:

$ dmesg | grep DVB
[   12.174738] DVB: registering new adapter (dm1105)
[   12.839501] DVB: registering adapter 0 frontend 0 (ST STV0299 DVB-S)...
[   12.839633] input: DVB on-card IR receiver as
/devices/pci0000:00/0000:00:1e.0/0000:03:09.0/input/input


My output from scan -* the problem*:

$ sudo scan -vvvvvv /usr/share/dvb/dvb-s/Astra-28.2E
scanning /usr/share/dvb/dvb-s/Astra-28.2E
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'

>>> tune to: 11778:v:0:27500
DiSEqC: switch pos 0, 13V, hiband (index 2)
diseqc_send_msg:56: DiSEqC: e0 10 38 f1 00 00
DVB-S IF freq is 1178000
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
>>> tuning status == 0x03
WARNING: >>> tuning failed!!!

*This is the correct satellite for my location (south UK), I believe. Have
tried plenty. Nothing locks.*

I'm using the latest liplianin drivers - did a mercurial checkout and build
today:

$ modinfo dm1105
filename:
/lib/modules/2.6.28-13-server/kernel/drivers/media/dvb/dm1105/dm1105.ko
license:        GPL
description:    SDMC DM1105 DVB driver
author:         Igor M. Liplianin <liplianin at me.by>
srcversion:     46C1B3C3627D1937F75D732
alias:          pci:v0000195Dd00001105sv*sd*bc*sc*i*
alias:          pci:v0000109Fd0000036Fsv*sd*bc*sc*i*
depends:        ir-common,dvb-core
vermagic:       2.6.28-13-server SMP mod_unload modversions
parm:           card:card type (array of int)
parm:           ir_debug:enable debugging information for IR decoding (int)
parm:           adapter_nr:DVB adapter numbers (array of short)

Have also tried the latest v4l-dvb drivers and get exactly the same tuning
problems.

Finally, dvbtune appears to say I have signal but cannot lock:

$ sudo dvbtune -f 1177800 -s 27500 -p v -m -tone 1 -vvvvvvvvvvv
[sudo] password for shaun:
Using DVB card "ST STV0299 DVB-S"
tuning DVB-S to L-Band:0, Pol:V Srate=27500000, 22kHz=on
polling....
Getting frontend event
FE_STATUS:
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER FE_HAS_VITERBI
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER FE_HAS_VITERBI
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER
polling....
Getting frontend event
FE_STATUS: *FE_HAS_SIGNAL FE_HAS_CARRIER* FE_HAS_VITERBI
polling....
Getting frontend event
FE_STATUS: FE_HAS_SIGNAL FE_HAS_CARRIER


So I am thinking that this could be a driver issue? If the card has good
signal and SNR in Kaffeine, and dvbtune says it has signal and carrier - but
cannot lock?

Please can someone help me debug this?

Thanks a lot!
Shaun
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