Re: [linux-dvb] TT S-1401 problem with kernel 2.6.24 ???

[Oliver Endriss <o.endriss@gmx.de>]

Andrew Junev wrote:
> Hello All,
> 
> I was successfully using two TT S-1401 DVB-S cards in my HTPC running
> Fedora 8. One of my antennas is positioned to Astra 19.2E and its
> signal quality is quite low in my area. But the setup worked just fine
> for me most of the time.
> 
> Last weekend I updated my system from kernel-2.6.23.15-137.fc8 to
> kernel-2.6.24.3-12.fc8. It was just a 'yum update', nothing else.
> Right after that I got no lock on most of Astra transponders (other
> satellites were still Ok, but they normally have a far better signal).
> After checking everything twice without any success, I booted back to
> 2.6.23.15 and my Astra was back!
> 
> Is this a known behavior? I suppose it was not discussed before, so
> this makes me think I am the only one with such a problem...
> Strange... I think the problem is somehow related to the signal level / 
> signal error rate. Looks like weak transponders are harder to lock
> with the new kernel...
> I'd appreciate any comments on this. I don't think I have an urgent
> need to move to 2.6.24 now, but I'd still like to be able to do that
> without loosing my TV... 
> 
> 
> P.S. I can see there's kernel-2.6.24.3-34.fc8 already available for
> Fedora 8. But I didn't try it yet...

Afaik this is a known regression in 2.6,24.

See 
  http://www.linuxtv.org/pipermail/linux-dvb/2008-February/023477.html
and
  http://www.linuxtv.org/pipermail/linux-dvb/2008-February/023559.html
for the fix.

CU
Oliver

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