[mythtv-users] Strange backend activity - FIXED

Adam Biskobing tv at badmoon.com
Mon Mar 1 15:44:12 EST 2004


Well, I seem to have fixed the problem I was having with the backend
eating up 99% of the CPU.  It was related to my kernel.  Not sure
exactly what it was, but considering everyone else on the list that
mentioned this problem were running gentoo, I would say it may be the
gentoo-sources kernel.  If you're experiencing this problem, try a
stripped down vanilla sources, it worked for me!

On Mon, 2004-03-01 at 20:01, Adam Biskobing wrote:
> Okay, I was expecting to see a mythcommflag thread for that.  Thanks for
> the info.  Hopefully I'm getting closer to tracking this problem down.
> 
> > -----Original Message-----
> > From: mythtv-users-bounces at mythtv.org 
> > [mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Joseph A. Caputo
> > Sent: Monday, March 01, 2004 1:10 PM
> > To: Discussion about mythtv
> > Subject: Re: [mythtv-users] Strange backend activity
> > 
> > 
> > On Monday 01 March 2004 13:08, Adam Biskobing wrote:
> > > A little bit more information, I've been watching my backend today 
> > > trying to see when and where it starts eating up the CPU.  
> > I scheduled 
> > > a recording at 11:30, it was running fine eating up 2% of the cpu, 
> > > until the end of the recording, where a mythbackend process with a 
> > > nice level of 19 started to eat up 49-50% of the CPU, memory usage 
> > > appears to be static.  Is this normal?  Any idea what this 
> > process is 
> > > doing?  I've scheduled another recording to begin at 12:30 
> > to see what 
> > > happens when it tries to do that recording.
> > >
> > 
> > That's the commercial flagging thread.  It runs with a nice 
> > priority of 
> > 19, so even though it looks like it's eating up all your CPU 
> > resources, 
> > the kernel process scheduler will easily preempt it if something else 
> > needs to run.  Search the archives for "commercial flagging 
> > thread" for 
> > more info.  It usually takes about 1.5x the length of the recording 
> > it's flagging to run.  You can disable automatic commercial 
> > flagging in 
> > the frontend setup, if you like.
> > 
> > -JAC
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org 
> > http://mythtv.org/cgi-> bin/mailman/listinfo/mythtv-users
> > 
> 
> 
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