0:000> k
Child-SP          RetAddr           Call Site
00000000`1aecf3b8 000007fe`fd3916ad ntdll!NtRemoveIoCompletion+0xa
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for kernel32.dll -
00000000`1aecf3c0 00000000`775b9991 KERNELBASE!GetQueuedCompletionStatus+0x3d
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for coreclr.dll -
00000000`1aecf420 000007fe`f14b6251 kernel32!GetQueuedCompletionStatus+0x11
00000000`1aecf460 000007fe`f14b616e coreclr+0x26251
00000000`1aecf4c0 000007fe`f14b5745 coreclr+0x2616e
00000000`1aecf500 000007fe`f15b5186 coreclr+0x25745
00000000`1aecf710 00000000`775c59cd coreclr!MetaDataGetDispenser+0x2d4c6
00000000`1aecf850 00000000`7782383d kernel32!BaseThreadInitThunk+0xd
00000000`1aecf880 00000000`00000000 ntdll!RtlUserThreadStart+0x1d