>I have a weird problem when i'm watching recordings on my combined >frontend/backend. If I'm watching tv on or even a recording from my >pvr-500 or 350 while its trying to record a program on the HD-3000 via >QAM.. I get a lot of artifacts in the recording. > >If i were to azap -r channel and watch a recording it goes from LOCKED >unlocked LOCKED unlocked LOCKED over and over and over. The CPU is only >being used at about 30% during all of this. If I just do azap -r channel >without watching anything it is LOCKED all of the time. > >Anybody have any ideas of how I can track this down and try to fix it? >I'm lost with this one. > >debian sarge >2.6.14.4 >ivtv 0.4.2 but these aren't even recording when it happens. >mythtv 0.18.1 >sb live >nvidia ti4600 with nvidia > >Thanks >-Mike
Just one thought, check your interrupts. This has caused problems for me in the past. cat /proc/interrupts >From the dmesg output, it looks as if you may be sharing IRQ's with devices that don't like to be shared. The worst devices I've seen that often share and often cause problems are USB adapters and NIC's. Don't load the USB drivers if you don't have to. Also, move some cards around in the PCI slots if possible.
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