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UnityPlayer_UAP_arm_debug_il2cpp.pdb not loaded exception (Hololens 2 WebRTC)

Discussion in 'Editor & General Support' started by atelios, Aug 25, 2020.

  1. atelios

    atelios

    Joined:
    Dec 5, 2017
    Posts:
    26
    Probably not an issue of this specific package but I just keep getting this message when following the instructions building and then trying to deploy my project for ARM on HL2.

    Never had this with any other projects?

    I already changed some build settings around and tried to build again but it still gives the same exception on deployment.

    Also tried building on another PC (since somebody mentioned this might be because of my tools, uwp sdk and such) but it also gives this message while deploying.

    Docs: https://microsoft.github.io/MixedReality-WebRTC/manual/unity/helloworld-unity-localvideo.html
    Project files: https://we.tl/t-FlxiLStvm1
    • MR-WebRTC version 2.0.0
    • Platform: UWP, Unity WSA Player (UWP)
    • Architecture: ARM
    • Unity version 2019.4.1f1
    • Target device: HoloLens 2
    UnityPlayer_UAP_arm_debug_il2cpp.pdb not loaded
    UnityPlayer_UAP_arm_master_il2cpp.pdb contains the debug information required to find the source for the module UnityPlayer.dll
    2019.4.1.15122501
    U:\USERS\DefaultAccount\AppData\Local\DevelopmentFiles\Template3DVS.Master_ARM.Florian\UnityPlayer.dll

    I can build other projects on this PC just fine, so it has to be the project somehow?
     
    atelios, Aug 25, 2020
    #1

  2. atelios

    atelios

    Joined:
    Dec 5, 2017
    Posts:
    26
    I've tried adding the Unity symbol server or somehow trying to turn debugging off? But the symbol server gives me a "No source available" message and I can't seem to turn off this behaviour...
     
    atelios, Aug 25, 2020
    #2

  3. Tautvydas-Zilys

    Tautvydas-Zilys

    Unity Technologies

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    Can you show a screenshot of what you're seeing? Make sure that the callstack window in Visual Studio is visible.
     
    Tautvydas-Zilys, Aug 25, 2020
    #3

  4. atelios

    atelios

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    Dec 5, 2017
    Posts:
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    This is what I am seeing

     
    Last edited: Aug 26, 2020
    atelios, Aug 26, 2020
    #4

  5. atelios

    atelios

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    Dec 5, 2017
    Posts:
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    Alright I made two empty projects with a cube in it one with MRTK 2.4 and one with MRTK 2.3 and it still gives me this message and the app would deploy correctly the first time showing me cube (with 2.4) but the 2.3 one didn't deploy/start properly.

    I am going to update this Hololens and try restarting it and otherwise maybe try another one...
     
    atelios, Aug 27, 2020
    #5

  6. Tautvydas-Zilys

    Tautvydas-Zilys

    Unity Technologies

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    Alright so looks like you are hitting a crash inside Unity. It has nothing to do with PDB not being loaded, but since it's not loaded, the debugger can't resolve where it's crashing (the stack trace).

    If you check this checkbox:

    upload_2020-8-27_9-7-11.png

    And then click "Load", VS should be able to load the symbols and show the callstack for this crash. I am very curious to see where it's crashing.
     
    Tautvydas-Zilys, Aug 27, 2020
    #6

  7. atelios

    atelios

    Joined:
    Dec 5, 2017
    Posts:
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    Then I get "Source Not Available"

    upload_2020-8-28_13-14-33.png
     

    Attached Files:

    atelios, Aug 28, 2020
    #7
    Bocci likes this.

  8. ArcSoulTW

    ArcSoulTW

    Joined:
    Sep 3, 2020
    Posts:
    4
    I have the same issue, I try Unity 2019.3.13 / 2019.3.15, but some project can build successfully.
    I try to add unity symbolserver, but still fail.
    Someone know how to fix it?

    ps. I think 2019.2.17 is a good version for build in Hololens2. It never trigger the bug (my exp).
     
    Last edited: Sep 3, 2020
    ArcSoulTW, Sep 3, 2020
    #8

  9. Tautvydas-Zilys

    Tautvydas-Zilys

    Unity Technologies

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    Can we get a bug report for this? It seems something is crashing inside our jobsystem but it's unclear what. This is definitely an issue we need to fix.
     
    Tautvydas-Zilys, Sep 3, 2020
    #9

  10. ArcSoulTW

    ArcSoulTW

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    My situation is the same as atelios.
    How can I provide a bug report?
     
    ArcSoulTW, Sep 4, 2020
    #10

  11. Tautvydas-Zilys

    Tautvydas-Zilys

    Unity Technologies

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    Tautvydas-Zilys, Sep 4, 2020
    #11

  12. ArcSoulTW

    ArcSoulTW

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    Tautvydas-Zilys
    But this bug is not in Unity, it happen in Visual Studio.
     
    ArcSoulTW, Sep 4, 2020
    #12

  13. Tautvydas-Zilys

    Tautvydas-Zilys

    Unity Technologies

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    The game made in Unity crashes in Unity's code. I'm pretty sure this is a bug in Unity :).
     
    Tautvydas-Zilys, Sep 4, 2020
    #13

  14. atelios

    atelios

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    Someone on MRTK github mentioned you could try turning off graphics jobs in the player settings as a workaround if that is an option for you right now.
     
    atelios, Sep 7, 2020
    #14

  15. ArcSoulTW

    ArcSoulTW

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    @atelios : OMG! It works! Thanks for your help~
     
    ArcSoulTW, Sep 8, 2020
    #15

  16. JasonCostanza

    JasonCostanza

    Unity Technologies

    Joined:
    May 23, 2017
    Posts:
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    Hello, my name is Jason from the Unity XR QA team. Could I get a bug filed with the repro steps and a minimum repro project attached so we can look into this? I was having some issues building up a project myself and I would hate to miss something. Once you file it, can you paste the bug number here too? Thanks a bunch!
     
    JasonCostanza, Sep 8, 2020
    #16

  17. vittorioleo82

    vittorioleo82

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    Jan 15, 2021
    Posts:
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    I have same problem when i try deploy on hololens 2 Emulator. And when i try to deploy on a phisical device it show a 2D windows. probably happena some error
     
    Last edited: Mar 12, 2021
    vittorioleo82, Mar 12, 2021
    #17

  18. JasonCostanza

    JasonCostanza

    Unity Technologies

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    May 23, 2017
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    Hi @vittorioleo82 if you can file a bug with a simple project that reproduces the issue, I would be happy to take a look at the project settings and any errors I find to offer guidance
     
    JasonCostanza, Mar 16, 2021
    #18

  19. vittorioleo82

    vittorioleo82

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    I have decided to ricreate my application from scratch and all worked fine. Thank you
     
    vittorioleo82, Mar 31, 2021
    #19