On Sat, Dec 14, 2019 at 05:01:05PM +1300, Thomas Munro wrote:
>On Wed, Dec 11, 2019 at 6:32 AM Tomas Vondra
><tomas.vondra@2ndquadrant.com> wrote:
>> The annoying thing is that it's the workers that crash, and the leader
>> failed to notice that, so it was waiting in WaitForParallelWorkersToExit
>> forever. Not sure what the issue is.
>
>That's bad. Some edge case in
>WaitForBackgroundWorkerShutdown()/GetBackgroundWorkerPid() that is
>b0rked perhaps? Can you reproduce it, and tell us what the stack
>looks like, maybe on a new thread?
Sure. I'll try reproducing it and get this extra info. I was planning to
do that, but then I lost the data for the report because of a silly
mistake. Early next week, hopefully.
regards
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services