Description

Crashes when resizing Standalone game window by dragging lower right corner to and fro to increase/decrease window size.

[Link Removed]

Error message:

SEGV_MAPERR at 0x3

Source Context:

none

Most recent user affected CL: 3249277

Logs:
[Link Removed]
[Link Removed]
[Link Removed]
[Link Removed]

Issue call stack shares some similarities with UT-6044


Steps to Reproduce
  1. on a Mac (See Environment below for specs) download and open the following test project: [Link Removed]
  2. PIE, standalone mode
  3. press ~ to bring up the Console Commands at bottom of screen (no commands needed for test)
  4. With the arrow cursor drag the bottom right corner of the window out to enlarge and in to shrink, making major adjustments quickly and pausing for a second between resizing
    RESULT: Standalone game window crashes (but not the editor)
    EXPECTED: Standalone game window to resize without crashing.
Callstack

UE4Editor-MetalRHI.dylib!ReportMetalCommandBufferFailure()
UE4Editor-MetalRHI.dylib!MetalCommandBufferFailureInternal()
UE4Editor-MetalRHI.dylib!HandleNVIDIAMetalCommandBufferError()
Metal!<Unknown>
Metal!<Unknown>
Metal!<Unknown>
Metal!<Unknown>
Metal!<Unknown>
IOAccelerator!<Unknown>
IOKit!<Unknown>
IOKit!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libdispatch.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
???!Unknown()

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Cannot Reproduce
ComponentRendering
Affects Versions4.12.34.13.24.14.34.15
Target Fix4.17
CreatedJan 25, 2017
ResolvedJun 23, 2017
UpdatedSep 23, 2019