Hm. I seem to have picked a bad checkout. I took the last one before
the revert (45aa88fe1d4028ea50ba7d26d390223b6ef78acc). Or there's some
incompatibility with the emulation and the IPC stuff parallel workers
use.
2021-12-17 17:51:51.688 EST [50955] LOG: background worker "parallel
worker" (PID 54073) was terminated by signal 10: Bus error
2021-12-17 17:51:51.688 EST [50955] DETAIL: Failed process was
running: SELECT variance(unique1::int4), sum(unique1::int8),
regr_count(unique1::float8, unique1::float8)
FROM (SELECT * FROM tenk1
UNION ALL SELECT * FROM tenk1
UNION ALL SELECT * FROM tenk1
UNION ALL SELECT * FROM tenk1) u;
2021-12-17 17:51:51.690 EST [50955] LOG: terminating any other active
server processes
2021-12-17 17:51:51.748 EST [54078] FATAL: the database system is in
recovery mode
2021-12-17 17:51:51.761 EST [50955] LOG: all server processes
terminated; reinitializing
