High bit error rate with Hauptaug Nova-SE2 and new PC

High bit error rate with Hauptaug Nova-SE2 and new PC

[heiko]

Hi,

after a bigger change in hardware and software I have trouble to get my
Nova-SE2 reasonable working. I have hat the Nova-SE2 already running
fine in an older PC (Athlon XP 3000+) with linux vdr. 

My new PC has the following main components:
ASUS P5N-E SLI
Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
Hauppauge Nova-SE2 DVB
ZOTAC GeForce 9600 GT

Ubuntu 8.10 
kernel: 2.6.27-9-generic
newest LinuxTV dbb driver

TV viewing (dvb-s) with all programs (mplayer, kaffeine) shows a lot of
failures. 
The bit error rate shown by femon or szap is quit high. 
Remarkable is that the bit error rate is mostly at zero in text mode. 
I would have suspected that there is an interference between the
Nova-SE2 and the graphic card. But there is now problem with the same PC
with windows software. 

The cx88 driver has its own irq. 
cat /proc/interrupts
...
17: 1350104 0 IO-APIC-fasteoi cx88[0], cx88[0]

I don't have any idea anymore. Therefore I could need some helpful hints
for further investigation. 
I hope I have use the right forum for this question (asking for help) .
If not please apologize me. 

Thanks
heiko

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