XG> I'm experiencing some trouble with my PVR-150 and ivtv.
XG> I'm using Gentoo and Freevo to record some tv show.
XG> The first record always works. But when I try to record more I get:
XG> DMA TIMEOUT 00000001 0
I have very similar issues on a fedora box. I still have the issues and
haven't resolved them, though I've figured out a few steps to mitigate
them a bit.
1) I use an older kernel (.20) with the 0.10.6 ivtv drivers. These seem
to be *slightly* better than the newer (1.0.3+) or bleeding edge
drivers.
2) I do set the latency timer of my drive higher
3) I also set the look ahead cache higher (hdparm -a). I doubt this
helps though.
4) I have the mysql buffers multiplied by about 4 (/etc/my.conf)
5) I use ivtvctl to turn on debugging:
/usr/local/bin/ivtvctl -D585
With this on, and writing a *ton* of data to the drive it never
crashes. If I leave debugging on and filter out the data via rsyslog
so it doesn't go to the drive, ivtv times-out usually when doing
something else on the front end.
I think what I really need to do is buy a better motherboard. I have a
fairly cheap one with via chipsets. Is yours a via chipset by chance
("lsmod | grep via" is the quick way to tell). I got my motherboard as
a cheap deal at Fry's and, well, it sucks.
I also have a silent PCI graphics card that I should probably replace
with one in the ePCI slot instead. Finally, I've heard having a second
hard disk for the system vs video recording may help. But I'm betting
on the motherboard being the real problem. I won't know, of course,
till I replace it.
--
"In the bathtub of history the truth is harder to hold than the soap,
and much more difficult to find." -- Terry Pratchett
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