Hi everyone,

Well I just installed my first dedicated frontend machine. Compaq EVO D510, P4 2.4ghz, 512ram, PNY Nvidia 5200 card. I'm using Svideo output to a 19" tube television.

Put it in the bedroom last night and started watching an HD show recorded earlier that evening ("Kitchen Nightmares"). The playback was jerky and the colors were off. Everyone had blue faces. I fiddled with the settings and got smooth playback and natural skin tones.

I made one more change that gave me jerky playback, so I undid it and resumed watching the show. As we're watching, the skintones turned blue again and the playback got jerky again. I ran top and saw that a commflag job was running on the frontend!

Due to the low screen resolution I couldn't make out the process number, so I wasn't able to kill the job, but I think it was the culprit. Mythcommflag was using almost 50% of my cpu time. Again, this is on a dedicated frontend machine.

1) Why is mythcommflag running on the frontend?
2) How do I stop this from happening?

TIA,

mogator88

Did you kill off mythtv-backend and such on your frontend as described here http://www.knoppmythwiki.org/index.php? ... nlyInstall ? (Although for the life of me I can't imagine what it would have been flagging)

Uhhhh..... errr.... hmmm.... no. I didn't uninstall the backend or mysql. I'm always amazed at the stupid things I do because I have to do all this after 11pm.

As for what it was flagging... I'm not sure. I took a quick look at the job queue, and I saw a list of backend jobs. I'll check that again for more info before I uninstall the backend and mysql.

But does this mean a remote frontend can accept backend jobs? That might prove useful. I've been playing around with Xvid conversions, maybe I could run them overnight on both machines.

I have 2 Frontend/Slavebackends running and of course the master Backend/Frontend.

I set them as follows for number of jobs they can take.
Each Slave can take 1 job ea. and the Master Backend can run 3.

I have watched comm flag jobs running on all of them at the same time. and haven't noticed any degradation of playback.

When you highlight a Job queue on the MBE it shows you in the box it brings up which machine is running the job.

As far as Xvid conversion it seems to run a little different. it seems to follow which machine I kick them off on.
Since I have been playing with those scripts for naming conventions and final filesizes I have only put them on 1 slave and the master.

It seems the script you want to use has to be on the backend/frontend you want to kick it off from.

I set this entire setup using the Linhes instructions that are on the mythtv r5f27 page of Mythweb. no special tweaks there.

Included my HW below it is a lot less in performance than yours.

hth, and as always ymmv[/img]

_________________
KnoppMyth R5.5
MBE: AMD64 3400+, K8N Neo4 Plat., 1Gig, Asus Extreme N6200, 320G pata, 2x320Gsata, 750Gsata, PVR-150 Retail w/Blaster
SBE: AMD XP2000, GA 7ZMMH, 1 Gig, XFX 256M 6200, 20 Gig, PVR-150 Retail w/Blaster
SBE: AMD Dur1800, 512M, PVR500

Even with HD recordings?

That could be a difference. I don't have any HD programming available at this time.

That was it, HD + commflag = jitters. I watched a short bit of an SD show while commflag was running and it played back fine. I decided to leave the backend software installed and running, so that the second machine could accept some of the jobs that were piling up.