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[Known]Desync issues in multiplayer

Discussion in 'Release 43 Bug Forum' started by null2, Jun 30, 2017.

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  1. null2

    null2 Avatar

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    6/30/2017 2:17 AM
    Title: Desync issues in multiplayer
    Reproduction Rate: ?
    Blocker? YES
    Details:
    When another user is master in the zone my attacks and heals are loaded after the damage I receive when a desync event happens.

    Basically, there is rubber banding happening. I try to hit, nothing happens. Then all of a sudden I am dead.

    PLEASE SEE VIDEO:


    User Specs:
    OS: Windows 10 (10.0.0) 64bit
    CPU: Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz (8) System RAM: 24487
    GPU: NVIDIA GeForce GTX 1080 GPU RAM: 8110
    SotA.EarlyAccess.LIVE.Win.64.617.Date.06.29.17
    Area: Novia
    Area Display Name: Novia
    Loc: (-48.7, 17.9, -374.5)
     
    null2, Jun 30, 2017
    #1
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  2. Attenwood

    Attenwood Portalarian Emeritus Dev Emeritus

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    How reliably are you able to reproduce this? We haven't seen this problem internally, and would like to look into a reproduction case if possible.
     
    Attenwood, Jun 30, 2017
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  3. Lexie

    Lexie Bear Queen Emeritus

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    @Kigu Starfish (Kor) After investigating I suspect this might be an isolated issue. It is possible someone in the group was having internet issues at the time. We'll keep all options open of course. Cabalists were killed in this same type of siege last night without de-syncs happening with other groups, so definitely let us know if you continue to see this. I'm sorry this happened. It is clear something is wrong here.
     
    Lexie, Jun 30, 2017
    #3
  4. null2

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    This only seems to happen when I am not master, entering into scenes where other people are alone.
     
    null2, Jun 30, 2017
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  5. Attenwood

    Attenwood Portalarian Emeritus Dev Emeritus

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    If you were to join a scene with me, you'd say the reproduction would be pretty immediate?
     
    Attenwood, Jun 30, 2017
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  6. null2

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    I think it requires the master to have a bad connection. I have only seen it a few times, not 100% reproducible. I think since we are both on a fiber connection, it wouldn't work between the two of us.
     
    null2, Jun 30, 2017
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  7. Wextel

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    I seen it happen 70% of time with many people hosting istances, or with the last release even in multi, seem to be related also to other packet loss or zones/localizations connections i think.
     
    Wextel, Jul 1, 2017
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  8. Attenwood

    Attenwood Portalarian Emeritus Dev Emeritus

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    Thanks for reporting!
     
    Attenwood, Jul 3, 2017
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  9. null2

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    Easily reproducible example of this problem:

    * Join zone where someone already is (they are master).
    * Have that person leave zone when you are fighting at least 3 mobs
    * Notice that there is a significant amount of lag and desync when the trade off of master happens.
     
    null2, Jul 4, 2017
    #9
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