[vdr] Re: sound clicks and "block artefacts" with Nova-CI

[Timo Helkiö <timo.helkio@luukku.com>]

On Sat, 2003-08-23 at 15:43, Andreas Vierengel wrote:
> Hi,
> 
> I have used VDR for 3 month so far with a Nexus-s(rev 2.1) and nova-ci
> (rev 1.1) connected via a sat-multiswitch (no diseqc) without problems.
> A few days ago I bought new computer hardware:
> P4-Celeron 2.4GHz, MSI-845-GE MAX-L Mainboard, 350W Enermax Powersupply
> and a new computer case.
> My old system was an 433 MHz Celeron (PII) on an asus p2l97 Maibnboard.
> storage-system: 4x 120GB Seagate IDE => software raid5 and raid1 for
> booting.
> 
> Sofware is/was: debian linux 3.0, vanilla-kernel 2.4.21, vanilla
> vdr-1.2.2, liunxtv-dvb-1.0.0, gcc-2.95.4
> 
> My problem is:
> recording on Nova-CI ( I don't use a cam-module at the moment) produces
> sound clicks, block-artefacts and small skips on every channel. The
> recording is not usable anymore :(
> recording on my nexus-s works perfectly the same like in my old
> computer-system.
> 
> I changed PCI-Slots for both cards, tested any pci-latency setting,
> tested shared/unshared interrupt combinations => no effect.
> 
> On software side I only rebuilt my kernel with optimization for P4,
> recompiled DVB-drivers and VDR.
> 
> The whole thing is driving me nuts, so I'm at the point to throw out the
> nova and buy another nexus...
> 
> What can I do further to investigate the problem ?
> Thanks in advance for any help !!
> 
> --Andi
> 
> 

Check if DMA for HD is on.

     Timo



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