#0  0x000072313029eb1c in pthread_kill () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x000072313024526e in raise () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007231302288ff in abort () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00005e3fccec9ff8 in ExceptionalCondition (conditionName=0x5e3fcd0b49c0 "!ItemPointerIndicatesMovedPartitions(&tmfd.ctid)", fileName=0x5e3fcd0b3fe0 "nodeModifyTable.c", lineNumber=2797) at assert.c:66
#4  0x00005e3fcca2264f in ExecOnConflictUpdate (context=0x7ffd08eee220, resultRelInfo=0x5e3fce06a310, conflictTid=0x7ffd08eee0cc, excludedSlot=0x5e3fce069640, canSetTag=true, returning=0x7ffd08eee0d8) at nodeModifyTable.c:2797
#5  0x00005e3fcca1fd6f in ExecInsert (context=0x7ffd08eee220, resultRelInfo=0x5e3fce06a310, slot=0x5e3fce069640, canSetTag=true, inserted_tuple=0x0, insert_destrel=0x0) at nodeModifyTable.c:1133
#6  0x00005e3fcca250e3 in ExecModifyTable (pstate=0x5e3fce068cf0) at nodeModifyTable.c:4324
#7  0x00005e3fcc9e0454 in ExecProcNodeFirst (node=0x5e3fce068cf0) at execProcnode.c:469
#8  0x00005e3fcc9d2f5b in ExecProcNode (node=0x5e3fce068cf0) at ../../../src/include/executor/executor.h:272
#9  0x00005e3fcc9d5de8 in ExecutePlan (queryDesc=0x5e3fce10edf0, operation=CMD_INSERT, sendTuples=false, numberTuples=0, direction=ForwardScanDirection, dest=0x5e3fce1149e8) at execMain.c:1675
#10 0x00005e3fcc9d3618 in standard_ExecutorRun (queryDesc=0x5e3fce10edf0, direction=ForwardScanDirection, count=0) at execMain.c:364
#11 0x00005e3fcc9d3479 in ExecutorRun (queryDesc=0x5e3fce10edf0, direction=ForwardScanDirection, count=0) at execMain.c:301
#12 0x00005e3fcccc0ab0 in ProcessQuery (plan=0x5e3fce042778, sourceText=0x5e3fce040ef0 "INSERT INTO t_int VALUES (1, 11, 111) ON CONFLICT (i) DO UPDATE SET x = excluded.x;", params=0x0, queryEnv=0x0, dest=0x5e3fce1149e8, qc=0x7ffd08eee670) at pquery.c:160
#13 0x00005e3fcccc25e0 in PortalRunMulti (portal=0x5e3fce0bf8a0, isTopLevel=true, setHoldSnapshot=false, dest=0x5e3fce1149e8, altdest=0x5e3fce1149e8, qc=0x7ffd08eee670) at pquery.c:1271
#14 0x00005e3fcccc1aec in PortalRun (portal=0x5e3fce0bf8a0, count=9223372036854775807, isTopLevel=true, dest=0x5e3fce1149e8, altdest=0x5e3fce1149e8, qc=0x7ffd08eee670) at pquery.c:787
#15 0x00005e3fcccba5bf in exec_simple_query (query_string=0x5e3fce040ef0 "INSERT INTO t_int VALUES (1, 11, 111) ON CONFLICT (i) DO UPDATE SET x = excluded.x;") at postgres.c:1271
#16 0x00005e3fcccbf954 in PostgresMain (dbname=0x5e3fce078fa0 "isolation_regression", username=0x5e3fce078f88 "kovdb") at postgres.c:4691
#17 0x00005e3fcccb5fdf in BackendMain (startup_data=0x7ffd08eee8f0 "", startup_data_len=4) at backend_startup.c:107
#18 0x00005e3fccbc24d7 in postmaster_child_launch (child_type=B_BACKEND, child_slot=2, startup_data=0x7ffd08eee8f0 "", startup_data_len=4, client_sock=0x7ffd08eee950) at launch_backend.c:274
#19 0x00005e3fccbc8ec3 in BackendStartup (client_sock=0x7ffd08eee950) at postmaster.c:3519
#20 0x00005e3fccbc646c in ServerLoop () at postmaster.c:1688
#21 0x00005e3fccbc5d64 in PostmasterMain (argc=8, argv=0x5e3fcdffe970) at postmaster.c:1386
#22 0x00005e3fcca67011 in main (argc=8, argv=0x5e3fcdffe970) at main.c:230