I have a new PVR-350 (Tuner type = 47), which just (DMA?) locks the whole system. Best I can tell, and from talking to a few others, it's something to do with too much traffic on the bus, causing a deadlock or something, and/or incompatibility problems w/ the ivtv X framebuffer driver, ivtvdev. I've heard one reported success w/ the new tuner on an old system by disabling DMA on the harddrive (hdparm -d0), but when I do this, mythbackend uses way too much CPU to use the system.
Is anyone out there successfully running a PVR-350 on a low end (500-700Mhz?) processors? Has anyone gotten one of these new PVR-350 w/ 47 tuners working without locking up when ff/rew/playing/pausing video, or heck, just moving through Myth menus...? On one of said low end boxes?
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