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

Johannes Stezenbach js at linuxtv.org
Mon Feb 20 13:59:25 CET 2006

On Sun, Feb 19, 2006, Reinhard Nissl 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.


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