Home Forums Unity SDK Build crashes using TobiiUnitySDKForDesktop_4.0.4 on Windows10

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    Mauricio Partnoy

    Hi! I’ve been having a crashing issue with previously working projects and builds that used an older Unity SDK.


    -Tobii 4c
    -Windows 10 Pro x64
    -Unity Editor 2018.3.f1
    -Using TobiiUnitySDKForDesktop_4.0.4

    The Issue:

    -Build crashes seconds after initializing eyetracker
    -If eyetracker is disconnected the error does not occur
    -The crash can be reproduced inside Unity Editor.
    -The crash can be reproduced in example scenes that come with the SDK
    -The crash happens after a few seconds if I start a scene with gaze detection, even if the scene is paused or stopped.
    -The crash never happens without the eyetracker connected or if a scene with gaze detection is not opened.
    -The last time I tested the builds was around 2020. Perhaps on windows 7 or 8, I don’t quite remember.

    What I tried:

    -Getting Windows Update
    -Starting the app as an admin
    -Turning off Windows Security
    -Deleting tobii_gameintegration_x64.dll
    -Using a new copy of tobii_gameintegration_x64.dll

    EDIT: The forum is being quite pesky not letting me post the error.log ¬¬
    EDIT2: Typo

    Mauricio Partnoy

    Windows Event Viewer Log:

    Faulting application name: Tobii Test.exe, version: 2018.3.12.64867, time stamp: 0x5ca7ab9c
    Faulting module name: tobii_gameintegration_x64.dll, version:, time stamp: 0x5bdc58e1
    Exception code: 0xc0000005
    Fault offset: 0x0000000000118a80
    Faulting process id: 0x219c

    Unity error.log:

    Unity Editor by Unity Technologies [version: Unity 2018.4.3f1_8a9509a5aff9]

    tobii_gameintegration_x64.dll caused an Access V****tion (0xc0000005)
    in module tobii_gameintegration_x64.dll at 0033:304c8a80.

    Mauricio Partnoy

    Issue resolved by updating the Tobii Unity SDK and unity version to 2019.4 to match the newer SDK.

    I couldn’t get old builds to work but updating and building again is good enough in my case.

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