MagicITX wrote:
It is hard for me to comment on the DMA issue because I've never
encountered it. I personally have 3 mythtv boxes in the room with me
running on the VIA M10000, the ME6000 and the SP13000. All have
either a PVR150, 250, or 500. I have one running as a backend for the
ME6000. I rip dvd's to the backend, play videos from the backend,
watch recordings, etc - all high bandwidth activities and never had a
lockup. My main system's uptime is:
09:04:49 up 20 days, 1:47, 1 user, load average: 0.27, 0.06, 0.02
(I don't remember why I rebooted it three weeks ago but it wasn't a
lockup. I think it lost keyboard focus when MythWeather couldn't
connect to the Internet.)
I'm not denying the difficulties other's have had. Only that the
problems probably no longer exist. YMMV
But you'll notice that none of the systems you're using have any of the
problematic chipsets.
http://ivtv.writeme.ch/tiki-view_faq.php?faqId=1#q33
Q: DMA errors are reported in my logs. I have a VIA chipset.
A: Some VIA chipsets have issues with high amounts of DMA traffic
(widely reported as bad are KX133, KT133(A). The following are assumed
to be problematic, as well: KT200, KT333, KT400).
Mike
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