[mythtv-users] artifacts in pvr-150 recordings, only recently

John Drescher drescherjm at gmail.com
Sat Mar 7 04:20:45 UTC 2009

> I think these show up while commflag is running, because the recording
> actually started like an hour before. From what I found in the
> archives these seem to just confirm that there is corruption in the
> mpeg2 file. The artifacts only show up for a couple of frames and
> occur randomly from a few seconds apart to as much as 10 or 15 minutes
> apart.  People in the other threads suggested that this is caused by
> pci latency or running out of system resources. It is a brand new
> system with a ASUS M3N78-EM motherboard, AMD Athlon 64 X2 7750, 1 GB
> of RAM, I am recording to a 640 GB SATA drive, and two old 160 GB IDE
> drives in a RAID0 array, all in the default storage group. I feel like
> I am getting closer to the problem but at the same time I am stumped.
> I can't think of anything I did that would cause the recordings on
> Sunday afternoon to be fine, and everything since the early hours of
> Monday morning to have problems.

Try some high bitrate recordings to just the SATA drive. If you have
to remove the ide raid 0 from the group for the test.


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