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Guiboune's avatar
Guiboune
Honored Guest
21 days ago

Unity builds crash on startup since ~Jan. 19

Hello, I thought this would have been fixed by now but since one of the latest updates, our Unity builds are crashing on startup (builds that did not have this issue last week).

  • It's a desktop/VR app and the desktop part starts up no issues ; but, as soon as we start the app with HMD mounted, it crashes whenever VR is "started" (the loading screen has no problem but it crashes once VR components are enabled).
  • Builds use Unity 2019.4.41f2
  • Software uses legacy VR plugins with VRTK store asset
  • Crash logs and dumps for unity editor are both mentioning "libovravatar" which is why I'm suspecting meta

Crash dmp has this in it :

FILE_IN_CAB: crash.dmp

CONTEXT: (.ecxr) rax=0000018a525d8dbc rbx=0000018a525d8dbc rcx=0000018a525d8dbc [...]

libovravatar!ovrAvatarSpecification_GetAvatarSpecificationUri+0x73b63: 00007ffc`dac6ea33 4c03e0 add r12,rax Resetting default scope EXCEPTION_RECORD: (.exr -1) ExceptionAddress: 00007ffd76700a15 (VCRUNTIME140!memcpy_avx_ermsb_amd+0x00000000000000d5) ExceptionCode: c0000005 (Access violation) ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 0000000000000000 Parameter[1]: 0000018cdf4de98a Attempt to read from address 0000018cdf4de98a

We can't test our product at all. Help please !

2 Replies

  • christian.schell's avatar
    christian.schell
    Honored Guest
    15 days ago

    Hey!

    Have you found a solution to this problem? I'm running into the same issue and haven’t been able to find an easy fix or workaround. 

    Thanks!

    • Guiboune's avatar
      Guiboune
      Honored Guest
      14 days ago

      nope. one of our software using the latest Unity XR package does not have the crash issue so we started the work of basically refactoring our app to use up-to-date packages and plugins.