Strange messages from pgstats after backend crash - Mailing list pgsql-hackers

From Tom Lane
Subject Strange messages from pgstats after backend crash
Date
Msg-id 6192.1139871645@sss.pgh.pa.us
Whole thread Raw
List pgsql-hackers
A few days ago, I noticed the following in the postmaster log while
messing with a bug that led to a backend coredump:

[ report of backend sig11, then normal recovery, ending with ]
LOG:  transaction ID wrap limit is 1073759685, limited by database "regression"
LOG:  invalid server process ID -1
LOG:  invalid server process ID -1
LOG:  invalid server process ID -1
LOG:  invalid server process ID -1

The "invalid server process ID" messages could only have come from
pgstat.c.  Apparently something sent some pgstat messages before executing
InitBackendSharedInvalidationState, but I don't see where, and I've not
been able to reproduce it.  Any ideas?
        regards, tom lane


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