Andres Freund <andres(at)anarazel(dot)de> writes:
>> 2019-04-01 15:27:38.829 +07 [7524] STATEMENT: UPDATE pgbench_accounts SET
>> abalance = 1 WHERE aid = 1;
>> 2019-04-01 15:27:38.829 +07 [7524] PANIC: cannot abort transaction
>> 400048276, it was already committed
> But that's probably a separate issue.
What that seems to indicate is that the "unexpected table_lock_tuple
status" error was thrown during commit, which seems pretty odd.
regards, tom lane