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ProfileGPU crashes in DX12

Using preview 5 of 4.12.

if you package the template Third Person game... and run with -DX12 . doing profileGPU will crash.

Product Version: UE 4.12 Preview
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asked May 26 '16 at 08:57 AM in Bug Reports

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avatar image Sean L ♦♦ STAFF May 26 '16 at 05:15 PM


  • Could you please provide the logs from your project's Saved->Logs folder?

  • Is the game crashing on exit, or right when you type in profileGPU?

  • Could you please cause the crash to occur again and provide your Machine ID from the Crash Reporter window? Ensure to hit send on the report as well, please.

avatar image Frozenfire May 27 '16 at 01:13 PM

It doesn't actually crash , it immediately freezes the game entirely and I have to end task via Task Manager. Note that this ONLY happens when i run the standlone game with -DX12

link text

asynctester.log (12.3 kB)
avatar image Sean L ♦♦ STAFF May 27 '16 at 01:17 PM

Thank you for providing the logs. Could you please provide your dxdiag?

avatar image Frozenfire May 29 '16 at 04:36 AM
dxdiag.txt (83.7 kB)
avatar image Sean L ♦♦ STAFF May 31 '16 at 12:53 PM

Could you run the game with the -DX12 and -FORCELOGFLUSH commands and then provide the logs one more time for me?

Thank you

avatar image Sean L ♦♦ STAFF Jun 06 '16 at 01:19 PM


I am marking this topic as resolved for tracking purposes, as we have not heard from you in a few days. If this issue persists, feel free to respond to this thread. For any new issues, please create a new Answerhub topic.

Have a great day

avatar image Frozenfire Jun 10 '16 at 05:54 AM

It stll freezes.

link text

asynctester.log (13.0 kB)
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1 answer: sort voted first

Hey Frozenfire,

I've been able to reproduce your issue, and have entered a bug report, UE-31943. Thank you for your report.

Have a great day

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answered Jun 13 '16 at 02:20 PM

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Sean L ♦♦ STAFF
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avatar image Frozenfire Jun 13 '16 at 05:13 PM

Hi Sean Flint ,

Can you roughly describe is the problem has to do with 4.12 itself? my GPU? Or my driver?

avatar image Matthew J Jun 14 '16 at 02:18 PM

Hello Frozenfire,

It seems to be related to having an AMD card in general. We tried reproducing the issue on a few different setups and could never get it to occur on an Nvidia card. The issue reproduced on the AMD R9 290 I was using and happened on both 4.11 and 4.12 so it didn't seem version related, although I didn't check back any further. Unfortunately we're not sure about the exact cause at the moment, but have only narrowed down where it reproduces.

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