[02:51:47.550] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[02:51:47.755] dumping /tmp/cores/postgres-6-59923.core for /tmp/cirrus-ci-build/tmp_install/usr/local/pgsql/bin/postgres
[02:51:48.014] [New LWP 59923]
[02:51:48.017] 
[02:51:48.017] This GDB supports auto-downloading debuginfo from the following URLs:
[02:51:48.017]   <https://debuginfod.debian.net>
[02:51:48.017] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[02:51:48.017] Debuginfod has been disabled.
[02:51:48.017] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[02:51:48.121] [Thread debugging using libthread_db enabled]
[02:51:48.121] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[02:51:48.121] Core was generated by `postgres: checkpointer performing shutdown checkpoint                         '.
[02:51:48.121] Program terminated with signal SIGABRT, Aborted.
[02:51:48.121] #0  0x00007f5bdd2abeec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[02:51:48.178] 
[02:51:48.178] Thread 1 (Thread 0x7f5bdd92eac0 (LWP 59923)):
[02:51:48.178] #0  0x00007f5bdd2abeec in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[02:51:48.178] No symbol table info available.
[02:51:48.178] #1  0x00007f5bdd25cfb2 in raise () from /lib/x86_64-linux-gnu/libc.so.6
[02:51:48.178] No symbol table info available.
[02:51:48.178] #2  0x00007f5bdd247472 in abort () from /lib/x86_64-linux-gnu/libc.so.6
[02:51:48.178] No symbol table info available.
[02:51:48.178] #3  0x000055deca04493b in ExceptionalCondition (conditionName=conditionName@entry=0x55deca3eaa60 "ReplicationSlotCtl != NULL", fileName=fileName@entry=0x55deca3e91c0 "slot.c", lineNumber=lineNumber@entry=1195) at assert.c:66
[02:51:48.178] No locals.
[02:51:48.178] #4  0x000055dec9bff355 in ReplicationSlotsComputeRequiredLSN () at slot.c:1195
[02:51:48.178]         i = <optimized out>
[02:51:48.178]         min_required = 0
[02:51:48.178]         __func__ = "ReplicationSlotsComputeRequiredLSN"
[02:51:48.178] #5  0x000055dec9c02343 in CheckPointReplicationSlots (is_shutdown=is_shutdown@entry=true) at slot.c:2181
[02:51:48.178]         i = 0
[02:51:48.178]         __func__ = "CheckPointReplicationSlots"
[02:51:48.178] #6  0x000055dec949bad1 in CheckPointGuts (checkPointRedo=24734712, flags=flags@entry=5) at xlog.c:7705
[02:51:48.178] No locals.
[02:51:48.178] #7  0x000055dec94a903f in CreateCheckPoint (flags=flags@entry=5) at xlog.c:7367
[02:51:48.178]         shutdown = true
[02:51:48.178]         checkPoint = <optimized out>
[02:51:48.178]         recptr = <optimized out>
[02:51:48.178]         _logSegNo = <optimized out>
[02:51:48.178]         Insert = <optimized out>
[02:51:48.178]         freespace = <optimized out>
[02:51:48.178]         PriorRedoPtr = <optimized out>
[02:51:48.178]         last_important_lsn = <optimized out>
[02:51:48.178]         vxids = 0x625000028200
[02:51:48.178]         nvxids = <optimized out>
[02:51:48.178]         oldXLogAllowed = 0
[02:51:48.178]         __func__ = "CreateCheckPoint"
[02:51:48.178] #8  0x000055dec94a9de1 in ShutdownXLOG (code=code@entry=0, arg=arg@entry=0) at xlog.c:6829
[02:51:48.178]         __func__ = "ShutdownXLOG"
[02:51:48.178] #9  0x000055dec9b54c7f in CheckpointerMain (startup_data=<optimized out>, startup_data_len=<optimized out>) at checkpointer.c:599
[02:51:48.178]         local_sigjmp_buf = <optimized out>
[02:51:48.178]         checkpointer_context = 0x625000028100
[02:51:48.178]         __func__ = "CheckpointerMain"
[02:51:48.178] #10 0x000055dec9b5566c in postmaster_child_launch (child_type=child_type@entry=B_CHECKPOINTER, child_slot=229, startup_data=startup_data@entry=0x0, startup_data_len=startup_data_len@entry=0, client_sock=client_sock@entry=0x0) at launch_backend.c:290
[02:51:48.178]         pid = <optimized out>
[02:51:48.178] #11 0x000055dec9b5bb15 in StartChildProcess (type=type@entry=B_CHECKPOINTER) at postmaster.c:3973
[02:51:48.178]         pmchild = 0x627000002bf8
[02:51:48.178]         pid = <optimized out>
[02:51:48.178]         __func__ = "StartChildProcess"
[02:51:48.178] #12 0x000055dec9b60a59 in PostmasterMain (argc=argc@entry=22, argv=argv@entry=0x610000000040) at postmaster.c:1386
[02:51:48.178]         opt = <optimized out>
[02:51:48.178]         status = <optimized out>
[02:51:48.178]         userDoption = <optimized out>
[02:51:48.178]         listen_addr_saved = false
[02:51:48.178]         output_config_variable = <optimized out>
[02:51:48.178]         __func__ = "PostmasterMain"
[02:51:48.178] #13 0x000055dec98f2ed8 in main (argc=22, argv=0x610000000040) at main.c:227
[02:51:48.178]         do_check_root = <optimized out>
[02:51:48.178]         dispatch_option = <optimized out>