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Graphics Crash: d3d12: could not create a pipeline state object

Discussion in '5.4 Beta' started by alexandre-fiset, Apr 7, 2016.

  1. alexandre-fiset

    alexandre-fiset

    Joined:
    Mar 19, 2012
    Posts:
    698
    Hi,

    I tried building with the new Graphic Jobs setting enabled and DX12 but I get 100% crash on three setups.
    • Surface Book running on HD 250
    • Surface Book running on Nvidia 940M
    • Desktop running on Nvidia GTX 960
    Message in the log is: Crash: d3d12: could not create a pipeline state object
    Also in the error log: nvwgf2umx.dll caused an Access Violation (0xc0000005)
    in module nvwgf2umx.dll at 0033:a8e31def.

    Problem is that I can't reproduce the issue on an empty project... Does anybody know what might be causing this?

    (still working on pinpointing the problem, will come back here with more details)

    Update 1: Definitely not linked to Graphic Jobs. So must be a DX12-specific issue. Now trying with a different startup scene.
    Update 2: Not scene specific. Crashes straight up at boot. Project is 30 gb in size, no way I can send this whole thing to Unity and expect them to download and open it...
     
    Last edited: Apr 7, 2016
    alexandre-fiset, Apr 7, 2016
    #1

  2. TomasJ

    TomasJ

    Joined:
    Sep 26, 2010
    Posts:
    256
    Do you call WarmupAllShaders by any chance? If so, could you try without it?
     
    TomasJ, Apr 7, 2016
    #2

  3. alexandre-fiset

    alexandre-fiset

    Joined:
    Mar 19, 2012
    Posts:
    698
    No unless one plugin dll is calling it there shouldn't be anything calling WarmupAllShaders. This call actually caused 5 minutes scene loadings on Mac and Linux so we made sure to search and remove any usage of this method.

    Does the "Preload Shaders" checkbox does this? I just unchecked it and started a build. Will see if that's the case.
     
    alexandre-fiset, Apr 7, 2016
    #3