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SageTV Linux Discussion related to the SageTV Media Center for Linux. Questions, issues, problems, suggestions, etc. relating to the SageTV Linux should be posted here.

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  #1  
Old 09-07-2018, 11:29 AM
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tmiranda tmiranda is offline
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Ubuntu Setup Questions

I am in the process if setting up Sage on a new Ubuntu machine. (LTS 18.4) Some questions:
  1. So far I have not been able to get the client to come up. The splash screen shows up then it crashes. Are there any known issues getting the client to work? (I don't plan on using it to play video, only to setup and configure things.)
  2. Next, what's the best way to ensure opendct starts when the machine is rebooted? Adding it to init.d?
  3. How do I determine the "sweet spot" for the heap size? I've read that more heap is not necessarily better because garbage collection slows things down.
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Old 09-07-2018, 12:56 PM
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This is the error from the miniclient log

Thu 9/6 16:15:16.281 reshape 0,0 714,455
Thu 9/6 16:15:16.441 initpbuffer
Thu 9/6 16:15:16.441 initpbuffer2
Thu 9/6 16:15:16.441 initpbuffer3
Thu 9/6 16:15:16.449 initpbuffer4: pbuffers is null? false
Thu 9/6 16:15:16.455 initpbuffer5
Thu 9/6 16:15:16.458 initpbuffer6
Thu 9/6 16:15:16.458 initpbuffer7
i965: Failed to submit batchbuffer: Invalid argument

Edit - Got the miniclient working by disabling 3D acceleration.
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Last edited by tmiranda; 09-07-2018 at 06:57 PM.
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Old 09-10-2018, 03:13 PM
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stuckless stuckless is online now
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Quote:
Originally Posted by tmiranda View Post
I am in the process if setting up Sage on a new Ubuntu machine. (LTS 18.4) Some questions:
  1. So far I have not been able to get the client to come up. The splash screen shows up then it crashes. Are there any known issues getting the client to work? (I don't plan on using it to play video, only to setup and configure things.)
  2. Next, what's the best way to ensure opendct starts when the machine is rebooted? Adding it to init.d?
  3. How do I determine the "sweet spot" for the heap size? I've read that more heap is not necessarily better because garbage collection slows things down.
#2 - init.d should work, or look into upstart (https://help.ubuntu.com/community/UbuntuBootupHowto)

#3 - On linux the GC, especially on Java 8+ likely won't be noticed much. You can probably start with 2gig and see if you need more.

If you are familar with docker, you can try using the docker container (for unRAID) under ubuntu to quickly get a sagetv up and running.
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Old 09-10-2018, 04:30 PM
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Quote:
Originally Posted by stuckless View Post
#2 - init.d should work, or look into upstart (https://help.ubuntu.com/community/UbuntuBootupHowto)

#3 - On linux the GC, especially on Java 8+ likely won't be noticed much. You can probably start with 2gig and see if you need more.

If you are familar with docker, you can try using the docker container (for unRAID) under ubuntu to quickly get a sagetv up and running.
Thanks Sean. I could not get init.d to work but I got it working the first time using upstart. Basically needed a few lines in a conf file in the /etc/init directory. Way easier than update-rc.d

As for the heap, 2GB seems to work well.

Now i just need to see why opendct is stuttering very badly. Is ENE around? I posted in his thread a few days ago and haven't heard back.
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Old 09-13-2018, 02:07 PM
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tmiranda tmiranda is offline
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Fixed my stuttering problems. It ends up that the ntfs-3g file system is extremely slow on Ubuntu. I switched my recording drives to ext4 and the stuttering has stopped.

I'm finally up and running.
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