[linux-dvb] NOVA-S only working with HZ=1000

Maximilian Engelhardt maxi at daemonizer.de
Sun Nov 6 01:38:26 CET 2005


I have a NOVA-S that was running just fine with all kernels <=2.6.12.
Starting with 2.6.13 it suddenly stopped working. Since it still didn't
work with 2.6.14, I was wondering why and finally found out that that is
was because of the HZ value change (my default HZ is now 250).

The error messages every app I tried on an HZ!=1000 kernel reports is
something about TUNING FAILED.

I talked to Bertl on #linuxtv and he suggested me some changes [1], but
they didn't help. I also created some debug output from stv0299 with a
HZ=250, HZ=250 + patch and a HZ=1000 (=working) kernel. [2]

I hope someone can find the cause of this,


[1] http://home.daemonizer.de/~maxi/tmp/patch.diff
[2] http://home.daemonizer.de/~maxi/tmp/debug_250HZ.log

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