[linux-dvb] How might a SATA drive interfere with DVB-S

Reinhard Nissl rnissl at gmx.de
Mon Feb 20 23:03:22 CET 2006


Johannes Stezenbach wrote:

>> today I've replaced my system drive (PATA) by a SATA one to send the 
>> PATA drive in for repair.
>> And now, VDR reports a lot of TS discontinuities and it's c*Repackers 
>> complain about bad packets. Before exchanging the drive, I've only had 
>> such errors immediately after switching to a new transponder.
>> So it looks like the drive interferes in any way with DVB-S reception 
>> (NOVA-S). Is there anything I could check to solve this issue?
> Does it only happen on specific frequencies?


> Does femon show uncorrectable block errors?


> If not, I'd rather think the SATA driver screws up irq
> latency. You could try Ingo's buffer size patch, if you
> have the same kind of Nova card.

I'll have a look at it tomorrow. Thanks.

Dipl.-Inform. (FH) Reinhard Nissl
mailto:rnissl at gmx.de

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