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Flickering graphics on Ubuntu 16.04 LTS and Braswell N3150

zpaolo11xzpaolo11x Posts: 1,232Members, Plex Pass Plex Pass

Hi all, my server is a Braswell N3150 NUC from Gigabyte, and recently I hooked it up to my TV screen to use it as a client too, using OpenPHT.

What I noticed is that when moving through OpenPHT GUI there is some "flickering" of graphics elements like the orange rectangle that identifies the focused movie poster. Sometimes there's a flickering effect of the whole screen as if some frame was "left behind" and after refreshing the screen it stops. Has anyone had the same issue? I'll check tonight if even with Kodi it does the same or if it is OpenPHT specific. Is there a way in Ubuntu to check advanced settings of the integrated GPU like triple buffering, 2D and 3D hardware acceleration etc?

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  • trudgetrudge Posts: 2,293Members, Plex Pass Plex Pass

    You'll have better luck posting in the OpenPHT rather than here in the PMS forum.

  • zpaolo11xzpaolo11x Posts: 1,232Members, Plex Pass Plex Pass

    @trudge said:
    You'll have better luck posting in the OpenPHT rather than here in the PMS forum.

    I posted here since it seems Ubuntu/N3150 related, never had issues with OpenPHT on Windows

  • zpaolo11xzpaolo11x Posts: 1,232Members, Plex Pass Plex Pass

    My bad, I thought that this forum was for "anything Plex on Linux" or general Linux issues related to Plex, while I see it's PMS specific. Moving to another area.

  • ChuckPAChuckPA Posts: 18,337Members, Plex Pass, Plex Ninja, Plex Team Member Plex Team Member

    @zpaolo11x said:
    Hi all, my server is a Braswell N3150 NUC from Gigabyte, and recently I hooked it up to my TV screen to use it as a client too, using OpenPHT.

    What I noticed is that when moving through OpenPHT GUI there is some "flickering" of graphics elements like the orange rectangle that identifies the focused movie poster. Sometimes there's a flickering effect of the whole screen as if some frame was "left behind" and after refreshing the screen it stops. Has anyone had the same issue? I'll check tonight if even with Kodi it does the same or if it is OpenPHT specific. Is there a way in Ubuntu to check advanced settings of the integrated GPU like triple buffering, 2D and 3D hardware acceleration etc?

    To the OP point, those questions / settings are buried in the Xwayland server options and not visible from any element of the UI. 'Playing' with them risks rendering the entire desktop environment unusable forcing a full re-installation of the distro.

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  • zpaolo11xzpaolo11x Posts: 1,232Members, Plex Pass Plex Pass

    @ChuckPa said:
    To the OP point, those questions / settings are buried in the Xwayland server options and not visible from any element of the UI. 'Playing' with them risks rendering the entire desktop environment unusable forcing a full re-installation of the distro.

    Thank you ChuckPa, yesterday I tried with Kodi and other apps and there's no flickering, so it's definitely a OpenPHT issue, I already moved the post to the proper forum section.

  • ChuckPAChuckPA Posts: 18,337Members, Plex Pass, Plex Ninja, Plex Team Member Plex Team Member

    rather than comparing OpenPHT and Kodi on the Plex forum, perhaps give PMP a shot and see what its behavior is?

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  • zpaolo11xzpaolo11x Posts: 1,232Members, Plex Pass Plex Pass

    @ChuckPa said:
    rather than comparing OpenPHT and Kodi on the Plex forum, perhaps give PMP a shot and see what its behavior is?

    I would if PMP was easy to install on Ubuntu, AFAIK I can only use the embedded version (which comes with a minimal Linux OS) or compile PMP myself, which I'd rather not do :)

  • ChuckPAChuckPA Posts: 18,337Members, Plex Pass, Plex Ninja, Plex Team Member Plex Team Member

    PMP is a HTPC-style implementation and is a minimal OS by design just as PMS-Docker is.

    If you understand Linux well enough, it's not hard to jump around that and do what you want and then put it back to normal HTPC mode

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  • zpaolo11xzpaolo11x Posts: 1,232Members, Plex Pass Plex Pass

    @ChuckPa said:
    If you understand Linux well enough, it's not hard to jump around that and do what you want and then put it back to normal HTPC mode

    So if I get it right, I can put the PMP embedded image on an USB stick and boot from that to test PMP, but then the issue is that on the same machine there should be the PMS running under ubuntu :/

  • ChuckPAChuckPA Posts: 18,337Members, Plex Pass, Plex Ninja, Plex Team Member Plex Team Member

    hold up there.

    First your speaking of an issue with OpenPHT. PMP is suggested and that you can take it apart and put it on a normal Ubuntu distro.
    Now you're asserting, having said nothing about actually attempting anything, it's doing that too?

    Kindly clarify your logic?

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  • zpaolo11xzpaolo11x Posts: 1,232Members, Plex Pass Plex Pass

    @ChuckPa said:
    First your speaking of an issue with OpenPHT. PMP is suggested and that you can take it apart and put it on a normal Ubuntu distro.

    Oh so when you say I can "jump around that and do what you want and then put it back to normal HTPC mode" you were referring to PMP. I didn't get it.
    BTW I don't think I have the competence and/or time to do this trick. Is there some guide somewhere to help me get kickstarted?

    PS: The original issue being OpenPHT related all this discussion is slightly off topic, but still interesting, I'd like to be able to use PMP on my Ubuntu machine

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