okravets

Could this PR to get merged? Thank you !

I could further troubleshoot it, but app is Windows service and it is tough to gather logs. Any advise what should settings should I set for GRPC_TRACE to get more...

Here is a change we did to fix this issue. Haven't seen it after. [0001-Attempt-to-fix-crash-reported-as-sporadic-crashes-in.txt](https://github.com/grpc/grpc/files/5124660/0001-Attempt-to-fix-crash-reported-as-sporadic-crashes-in.txt)

Hey ! I saw it as I mentioned in a ticket. After we've upgraded to 1.28.1-1, I still applied my patch and do not see it. Please see my comment...

Created https://github.com/boostorg/iostreams/pull/137 for this