Andres Freund <and...@anarazel.de> writes: > On 2020-09-11 11:52:55 -0400, Tom Lane wrote: >> It's simple enough that maybe we could back-patch it, once it's >> aged awhile in HEAD. OTOH, given the lack of field reports of >> trouble here, I'm not sure back-patching is worth the risk.
> FWIW, looking at collected stack traces in azure, there's a slow but steady > stream of crashes below StartupPacketTimeoutHandler. ... > Unsurprisingly just in versions before 14, where this change went in. > I think that might be enough evidence for backpatching the commit? I've not > heard of issues due to the checks in check_on_shmem_exit_lists_are_empty(). I'd be willing to take a look at this in a few weeks when $real_life is a bit less demanding. Right before minor releases would likely be a bad idea anyway. regards, tom lane