[linux-dvb] Lifeview PCI TRIO DVB-S problems: can not tune half transponders, low SS and SNR

hermann pitton hermann-pitton at arcor.de
Wed Nov 14 23:33:15 CET 2007


Am Mittwoch, den 14.11.2007, 21:36 +0000 schrieb Vangelis Nonas:
> Hello,
> I have been trying to use the DVB-S frontend of lifeview pci trio to 
> scan and watch channels from Hotbird. I have the following two problems:

please try again with that patch applied and report again.

I don't get a Medion Quad, not in the original triple bus master PCI
slot, to behave well on supplying voltage and tone on a ISL6405ER, but
with the RF loop through from an external receiver providing the missing
I have more than thousand broadcasts available from Hotbird-13.OE.


> A) When I scan (using the scan utility from the hg tree, or the scan 
> utility of my distribution) almost half of the transponders can not be 
> tuned. I get the error tuning failed and of course almost half of 
> Hotbitd's channels are not found. My transponders file is correct 
> because it comes from my set top box which also runs linux :) or from hg 
> dvb-apps or from other dvb software (e.g. prog dvb). I have also tried 
> scanning with channelscan plugin of vdr with the same results. When I 
> use kaffeine to scan for channels I get an Oops. I am attaching the 
> output of my scan command using the scan util from dvb-apps fresh hg 
> pull. (scan.log.gz)
> B) When I use ready made channel lists downloaded from the internet I 
> get low SNR and SS on almost half of the transponders and in some cases 
> high error rate. When I use szap on those transponders I can not get a lock.
> My kernel is:
> Linux vagoshome 2.6.22-gentoo-r9 #1 SMP Tue Oct 30 16:02:08 UTC 2007 
> i686 AMD Athlon(tm) 64 X2 Dual Core Processor 4600+ AuthenticAMD GNU/Linux
> with a fresh hg mercurial pull and installation.
> I attach also my dmesg as dmesg.log.gz
> I also attach my lsmod as lsmod.log.gz
> In case you need more info about the Oops I get when I scan from 
> Kaffeine, I can reproduce it and send you the output.
> The card works correctly under windows on the same machine, sat cable, dish.
> Thank you
> Vagelis

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