Re: TT-budget S2-3200 cannot tune on HB13E DVBS2 transponder

From: Lutz Sammer <redacted>

On 05/04/11 01:16, Mauro Carvalho Chehab wrote:

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Em 13-04-2011 21:05, Lutz Sammer escreveu:

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On 05/04/11 21:07, Steffen Barszus wrote:

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On Tue, 05 Apr 2011 13:00:14 +0200
"Issa Gorissen" <flop.m@xxxxxxx> wrote:

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Hi,

Eutelsat made a recent migration from DVB-S to DVB-S2 (since
31/3/2011) on two transponders on HB13E

- HOT BIRD 6 13° Est TP 159 Freq 11,681 Ghz DVB-S2 FEC 3/4 27500
Msymb/s 0.2 Pilot off Polar H

- HOT BIRD 9 13° Est TP 99 Freq 12,692 Ghz DVB-S2 FEC 3/4 27500
Msymb/s 0.2 Pilot off Polar H


Before those changes, with my TT S2 3200, I was able to watch TV on
those transponders. Now, I cannot even tune on those transponders. I
have tried with scan-s2 and w_scan and the latest drivers from git.
They both find the transponders but cannot tune onto it.

Something noteworthy is that my other card, a DuoFlex S2 can tune
fine on those transponders.

My question is; can someone try this as well with a TT S2 3200 and
post the results ?

i read something about it lately here (german!): 

http://www.vdr-portal.de/board16-video-disk-recorder/board85-hdtv-dvb-s2/p977938-stb0899-fec-3-4-tester-gesucht/#post977938

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It says in stb0899_drv.c function:
static void stb0899_set_iterations(struct stb0899_state *state) 

This:
reg = STB0899_READ_S2REG(STB0899_S2DEMOD, MAX_ITER);
STB0899_SETFIELD_VAL(MAX_ITERATIONS, reg, iter_scale);
stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_MAX_ITER,

STB0899_OFF0_MAX_ITER, reg);

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should be replaced with this:

reg = STB0899_READ_S2REG(STB0899_S2FEC, MAX_ITER);
STB0899_SETFIELD_VAL(MAX_ITERATIONS, reg, iter_scale);
stb0899_write_s2reg(state, STB0899_S2FEC, STB0899_BASE_MAX_ITER,

STB0899_OFF0_MAX_ITER, reg);

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Basically replace STB0899_S2DEMOD with STB0899_S2FEC in this 2 lines
affected.

Kind Regards 

Steffen

Hi Steffen,

Unfortunately, it does not help in my case. Thx anyway.

Try my locking fix. With above patch I can lock the
channels without problem.

Can someone confirm that such patch would fix the issue? If so, please
forward it in a way that it could be applied (patch is currently

line-wrapped),

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and submit with some comments/description and your SOB.

As the patch is currently broken, I'm just marking it as rejected at

patchwork.

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Manu,

Please take a look on this trouble report.

Sorry, the things are mixed here. My patch (resend and hopefully this
time not broken) handles only DVB-S transponders.

The FEC fix patch fixed locking on 11,681 Ghz, but not on 12,692 Ghz for
me.  But I have very weak receiption,

Johns

Thank you Johns,

I got out of patience and reverted back to kernel 2.6.37. Added an amplifier
on the line and repositionned my dish. It works now. But very difficult to get
both Hotbird 6 and 9 sats! Maybe they transmit a weak signal ???

--
Issa