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GameThread timed out waiting for RenderThread after 30.00 secs

Any ideas on why this is happening or how to avoid it? It seems to happen randomly after playing for some time in packaged games.

Complete error message: LowLevelFatalError [File:D:\Build\++UE4+Release-4.17+Compile\Sync\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp] [Line: 994] GameThread timed out waiting for RenderThread after 30.00 secs

Discussed in fortnite: https://www.epicgames.com/fortnite/forums/bugs-issues/bug-reports/14909-randomly-crashing

For roborecall: https://answers.unrealengine.com/questions/592033/robo-recall-gamethread-timeout.html

Product Version: UE 4.17
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asked Nov 10 '17 at 04:12 PM in Bug Reports

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Burnrate
279 14 27 91

avatar image Constant Nov 11 '17 at 10:10 AM

Hi,

this may be a dirty solution but it helped me when I encountered the same error message trying to start a game in which the first action is to load a huge scene.

execute this console command:

g.TimeoutForBlockOnRenderFence 9999999

found here:

https://www.unrealengine.com/en-US/blog/optimize-for-mobile-arm-mali-debugger

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2 answers: sort voted first

Also having this problem but only on some computers please help:/

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answered Feb 16 '18 at 07:14 PM

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9robin3
41 1 5 13

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Hello,

did setting the "g.TimeoutForBlockOnRenderFence" to 9999999 not help?

If you set this up to be executed on all machines but the problem persists on some, then it may have to do with the speed of the disk it is running on. If you can, make sure the game runs on an SSD.

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answered Feb 17 '18 at 12:29 PM

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Constant
83 8 9 21

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