From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from moutng.kundenserver.de ([212.227.17.10]:52535 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759242AbZLOJxH (ORCPT ); Tue, 15 Dec 2009 04:53:07 -0500 Message-ID: <4B275CA2.406@tripleplay-services.com> Date: Tue, 15 Dec 2009 09:53:38 +0000 From: Lou Otway MIME-Version: 1.0 To: Michael Akey CC: Linux Media Subject: Re: scan/scan-s2 doesn't tune, but dvbtune does? References: <4B269F1A.30107@onid.orst.edu> In-Reply-To: <4B269F1A.30107@onid.orst.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Michael Akey wrote: > I can't get the scan/scan-s2 utilities to lock any transponders > (DVB-S). My test satellite is AMC1 103W, the Pentagon Channel tp. > This is probably some simple user error on my part, but I can't figure > it out. I have a Corotor II with polarity changed via serial command > to an external IRD. C/Ku is switched by 22KHz tone, voltage is always > 18V. Ku is with tone off, C with tone on. Speaking of which, is > there a way to manually set the tone from the arguments on the scan > utilities? > > Here's what I've tried and the results: > > $ ./scan-s2 -a 0 -v -o zap -l 10750 INIT > API major 5, minor 0 > scanning INIT > using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0' > initial transponder DVB-S 12100000 H 20000000 AUTO AUTO AUTO > initial transponder DVB-S2 12100000 H 20000000 AUTO AUTO AUTO > ----------------------------------> Using DVB-S > >>> tune to: 12100:h:0:20000 > DVB-S IF freq is 1350000 > >>> tuning status == 0x03 > >>> tuning status == 0x01 > >>> tuning status == 0x03 > >>> tuning status == 0x01 > >>> tuning status == 0x03 > >>> tuning status == 0x00 > >>> tuning status == 0x01 > >>> tuning status == 0x03 > >>> tuning status == 0x00 > >>> tuning status == 0x00 > WARNING: >>> tuning failed!!! > >>> tune to: 12100:h:0:20000 (tuning failed) > DVB-S IF freq is 1350000 > >>> tuning status == 0x03 > >>> tuning status == 0x01 > >>> tuning status == 0x00 > >>> tuning status == 0x00 > ...snip... > > Same thing happens if I use just 'scan' and not 'scan-s2.' > > If I use dvbtune, it works though.. > > $ dvbtune -f 1350000 -p H -s 20000 -c 0 -tone 0 -m > Using DVB card "Conexant CX24116/CX24118" > tuning DVB-S to L-Band:0, Pol:H Srate=20000000, 22kHz=off > polling.... > Getting frontend event > FE_STATUS: > polling.... > Getting frontend event > FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI > FE_HAS_SYNC > Bit error rate: 0 > Signal strength: 51648 > SNR: 26215 > FE_STATUS: FE_HAS_SIGNAL FE_HAS_LOCK FE_HAS_CARRIER FE_HAS_VITERBI > FE_HAS_SYNC > Signal=51648, Verror=0, SNR=26215dB, BlockErrors=0, (S|L|C|V|SY|) > Signal=51776, Verror=0, SNR=26624dB, BlockErrors=0, (S|L|C|V|SY|) > > The tuning file 'INIT' contains only the following line: > S 12100000 H 20000000 AUTO > > I'm using v4l-dvb drivers from the main repo as of about a week ago. > I am running kernel 2.6.32 on Debian testing. Any help is appreciated > ..and hopefully it's just a simple flub on my part! > > --Mike Try using a non-auto FEC and rolloff. Some devices won't accept auto for these parameters. Cheers, Lou