[linux-dvb] tuning problem (behind a quattro LNB)

[Thierry Baldo <thierry.baldo@free.fr>]

Hi all of you,

I have a problem to tune my Linux box with Hauppauge WinTV DVB-s
behind a quattro LNB (does the problem come from this configuration ?).

When I want to tune for a frequency, I receive every time the message
"FAILURE EVENT".

Note that a digital receiver and a Windows box work very well
with the same parameters. I have already changed the cable.

Do you think that a special DiSeqC command can solve this problem ?

I have tried with some tuning programs like dvbtune but I always
receive the same message (failure event).

Thanks a lot in advance for your help and all of your ideas and
sorry for my poor English.
Regards.

-- 
Thierry

The following is the output of a "dvbtune" command
-------------------------------------------
$ ./dvbtune -f 10791000 -p V -t 0 -c 0 -s 27500
tuning DVB-S to L-Band:1041000, Pol:V Srate=27500000, 22kHz=off
SEC BUS MODE:  IDLE (0)
SEC VOLTAGE:  13  (2)
SEC CONT TONE: OFF
Getting frontend event
Received failure event
Getting frontend event
Received failure event
Getting frontend event
Received failure event
Not able to lock to the signal on the given frequency

-------------------------------------------
kernel 2.4.9-31
package : siemens_dvb-0.9.4.tar.gz
dvbtune : 0.3

dmesg display
------------------------------------------
i2c-core.o: i2c core module
i2c-core.o: driver i2c TV tuner driver registered.
i2c-core.o: driver stv0299 DVB demodulator registered.
i2c-core.o: driver L64781 DVB demodulator registered.
i2c-core.o: driver VES1820 DVB demodulator registered.
i2c-core.o: driver VES1893 DVB demodulator registered.
saa7146_core.o: saa7146(1): bus:2, rev:1, mem:0xc89a1000.
i2c-core.o: client [stv0299] registered to adapter [saa7146(1)](pos. 0).
i2c-core.o: adapter saa7146(1) registered as adapter 0.
Linux video capture interface: v1.00
dvb0: AV7110 - firm 2000c8ef, rtsl 54761032, vid 4be8c8e5, app 20000000
dvb: 1 dvb(s) found!

lspci display
------------------------------------------
02:0a.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
	Subsystem: Technotrend Systemtechnik GmbH: Unknown device 0003
	Flags: bus master, medium devsel, latency 66, IRQ 10
	Memory at 40100000 (32-bit, non-prefetchable) [size=512]

lsmod display
------------------------------------------
Module                  Size  Used by    Tainted: P  
dvb                   232896   0 (autoclean)
saa7146_v4l            15108   0 (autoclean) (unused)
dvb_demux              13120   1 (autoclean) [dvb]
dmxdev                  7620   1 (autoclean) [dvb]
dvb_frontend            3648   0 (autoclean) [dvb]
dvbdev                  1888   1 (autoclean) [dvb]
dvb_net                 3168   0 (autoclean) [dvb]
dvb_filter              7552   0 (autoclean) [dvb]
videodev                5312   1 (autoclean) [dvb]
saa7146_core           14112   0 (autoclean) [dvb saa7146_v4l]
VES1893                 3744   0 (autoclean) (unused)
VES1820                 3616   0 (autoclean) (unused)
L64781                  3776   0 (autoclean) (unused)
stv0299                 3040   1 (autoclean)
tuner                   5028   0 (autoclean) (unused)
i2c-core               13472   0 (autoclean) [dvb dvb_frontend saa7146_core 
VES1893 VES1820 L64781 stv0299 tuner]
...


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