[mythtv-users] multiple instances of mythpreviewgen and high load average

[Nick Rout]

Running myth 0.25 (mythbuntu 12.04) on a fairly lowly cpu (Celeron
something) and getting a lot of mythpreviewgen running, up to six-10
instances. This seems to happen when going into recordings on a frontend or
via mythweb.

When this happens the load average shoots up and the backend grinds to a
halt, frontend (dofferent machine, wired lan) starts to stutter, presumably
due to backend misbehaviour. sudo killall mythpreviewgen brings it back
into line, but is not wife, kid or even me friendly when I am sitting down
to watch the news and have to get up, fire up the laptop, diagnose, kill,
etc... Awfully bad for the digestion.

I recall seeing some stuff about this on the list a while ago but my
searching is yielding no prospects.

Is there an easy fix? Sorry posting from work, so if exact versions are an
issue, I will post them tonight. I am on mythbuntu repos and updated maybe
2-4 weeks ago.
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