Program received signal SIGSEGV, Segmentation fault.
0xee3fcf1c in ST_ClusterKMeans (fcinfo=0xffca400c) at lwgeom_window.c:211
211                     max_radius = DatumGetFloat8(WinGetFuncArgCurrent(winobj, 2, &isnull));
(gdb) bt full
#0  0xee3fcf1c in ST_ClusterKMeans (fcinfo=0xffca400c) at lwgeom_window.c:211
        i = <optimized out>
        k = 35830033
        geoms = <optimized out>
        N = 3
        isnull = true
        isout = false
        max_radius = 0
        r = <optimized out>
        winobj = 0x222cdb0
        context = 0x21a8ed0
        curpos = <optimized out>
        rowcount = <optimized out>
#1  0x00261ff4 in eval_windowfunction (perfuncstate=0x222cbc8, result=0x222cb98, isnull=0x222cbb0, winstate=<optimized out>, winstate=<optimized out>) at nodeWindowAgg.c:1055
        fcinfodata = {fcinfo = {flinfo = 0x222cbd4, context = 0x222cdb0, resultinfo = 0x0, fncollation = 0, isnull = false, nargs = 3, args = 0xffca4020},
          fcinfo_data = "\324\313\"\002\260\315\"\002\000\000\000\000\000\000\000\000\000K\003\000\200\002\000\000\001\206p\000\000\000\000\000\001\000\000\000\351\375\000\000\001\232\030\002@V!\002X\263M\000\350\v$\002\260\236c\367\324\367p\367\240@\312\377\300K\"\002\305K\"\002\000\000\000\000\300k\"\000\300K\"\002\310K\"\002\305K\"\002\070w\"\000\330\350\"\002\324\367p\367\b\370p\367\377\017\000\000\b\370p\367\324\367p\367X\362p\367\000\000\000\000\b\200\000\000\224mc\367\000\200\000\000\000\000\000\000\020\000\000\000\310K\"\002\305K\"\002\230\203 \002\fDM\000\000\353\033\002\020\000\000\000\274\206p\000\001\000\000\000\000\000\000\000@\354\033\002\003\000\000\000\001\000\000\000"...}
        fcinfo = 0xffca4004
        oldContext = 0x2188da8
#2  0x00264ce0 in ExecWindowAgg (pstate=0x21893a8) at nodeWindowAgg.c:2197
        perfuncstate = <optimized out>
        winstate = 0x21893a8
        econtext = 0x222cbb0
        i = 0
        numfuncs = 1
        __func__ = "ExecWindowAgg"
#3  0x00253224 in ExecProcNode (node=0x21893a8) at ../../../src/include/executor/executor.h:242
No locals.
#4  ExecLimit (pstate=0x2189230) at nodeLimit.c:95
        node = 0x2189230
        direction = ForwardScanDirection
        slot = <optimized out>
        outerPlan = 0x21893a8
        __func__ = "ExecLimit"
#5  0x00243c90 in ExecProcNode (node=0x2189230) at ../../../src/include/executor/executor.h:242
No locals.
#6  fetch_input_tuple (aggstate=aggstate@entry=0x2188fb0) at nodeAgg.c:406
        slot = <optimized out>
#7  0x002455c0 in agg_retrieve_direct (aggstate=0x2188fb0) at nodeAgg.c:1748
        econtext = <optimized out>
        firstSlot = <optimized out>
        numGroupingSets = 1
        node = 0x220bee0
        tmpcontext = 0x21890d8
        peragg = 0x20f60d8
        outerslot = <optimized out>
        nextSetSize = <optimized out>
        pergroups = 0x220c358
        result = <optimized out>
        hasGroupingSets = true
        currentSet = <optimized out>
        numReset = 1
        i = <optimized out>
        node = <optimized out>
        econtext = <optimized out>
        tmpcontext = <optimized out>
        peragg = <optimized out>
        pergroups = <optimized out>
        outerslot = <optimized out>
        firstSlot = <optimized out>
        result = <optimized out>
        hasGroupingSets = <optimized out>
        numGroupingSets = <optimized out>
        currentSet = <optimized out>
        nextSetSize = <optimized out>
        numReset = <optimized out>
        i = <optimized out>
#8  ExecAgg (pstate=0x2188fb0) at nodeAgg.c:1563
--Type <RET> for more, q to quit, c to continue without paging--
        node = 0x2188fb0
        result = 0x0
#9  0x002319d8 in ExecProcNode (node=0x2188fb0) at ../../../src/include/executor/executor.h:242
No locals.
#10 ExecutePlan (execute_once=<optimized out>, dest=0x22157b0, direction=<optimized out>, numberTuples=0, sendTuples=<optimized out>, operation=CMD_SELECT, use_parallel_mode=<optimized out>, planstate=0x2188fb0, estate=0x2188e40) at execMain.c:1632
        slot = <optimized out>
        current_tuple_count = 0
        slot = <optimized out>
        current_tuple_count = <optimized out>
#11 standard_ExecutorRun (queryDesc=0x20f6088, direction=<optimized out>, count=0, execute_once=true) at execMain.c:350
        estate = 0x2188e40
        operation = CMD_SELECT
        dest = 0x22157b0
        sendTuples = <optimized out>
        oldcontext = 0x1
        __func__ = "standard_ExecutorRun"
#12 0x0039a340 in PortalRunSelect (portal=0x21228d0, portal@entry=0x0, forward=forward@entry=true, count=count@entry=0, dest=dest@entry=0x22157b0) at pquery.c:929
        queryDesc = 0x20f6088
        direction = <optimized out>
        nprocessed = <optimized out>
        __func__ = "PortalRunSelect"
#13 0x0039b93c in PortalRun (portal=0x0, portal@entry=0x21228d0, count=0, count@entry=2147483647, isTopLevel=isTopLevel@entry=true, run_once=run_once@entry=true, dest=0x22157b0, altdest=0x22157b0, completionTag=0xffca46b8 "") at pquery.c:770
        save_exception_stack = 0x0
        save_context_stack = 0x0
        local_sigjmp_buf = {{__jmpbuf = {984217072, -983955752, 34593776, 7374572, 7362108, 7374544, 7374576, -3520840, 2, 7374548, 0 <repeats 16 times>, 35414760, 35700056, 0, 35414760, 35129688, 7374528, 35700448, 35414760, 35700056, 2998712, 0, 2992460, 35414760,
              0, -3521136, 35700448, 35414760, 35700920, 65001, 0, 0, 35700448, 0, 35414760, 35129688, 7374528, 35700448, 35414760, 7354432, 2994544, 0, 35414760, 5063692, 80, 0, 34421216, 35129688, 7374528}, __mask_was_saved = 0, __saved_mask = {__val = {35414760,
                7354432, 4964476, 0, 6999912, 1, 6999912, 34752808, 0, 0, 0, 6999912, 34752728, 6999912, 1, 5063692, 34562032, 4, 1, 5063692, 60, 34421216, 0, 34744528, 7374524, 35739536, 2, 7374548, 5092536, 1, 3782088, 2}}}}
        result = <optimized out>
        nprocessed = <optimized out>
        saveTopTransactionResourceOwner = 0x20fdbf0
        saveTopTransactionContext = 0x21745b8
        saveActivePortal = 0x20fdbf0
        saveResourceOwner = 0x20fdbf0
        savePortalContext = 0x21745b8
        saveMemoryContext = 0x21228d0
        __func__ = "PortalRun"
#14 0x0039744c in exec_simple_query (query_string=0xffca46b8 "") at postgres.c:1215
        parsetree = 0x2180870
        portal = 0x21228d0
        snapshot_set = <optimized out>
        commandTag = <optimized out>
        completionTag = "\000\027p\000\b|\017\002\030\321q\000t\017'\000\254Up\000\070\214o\000\b|\017\002\024\227'\000\b|\017\002T\232'\000\f\215o\000x:\r\002\210\301\017\002\001\000\000\000\000\000\000\000\254Up"
        querytree_list = <optimized out>
        plantree_list = <optimized out>
        receiver = 0x22157b0
        format = 0
        dest = DestRemote
        oldcontext = 0x21808a8
        parsetree_list = 0x27109c <secure_write+188>
        parsetree_item = 0x2180890
        save_log_statement_stats = 184
        was_logged = true
        use_implicit_block = true
        msec_str = "\000\027p\000\b|\017\002\030\321q\000t\017'\000\254Up\000\070\214o\000\b|\017\002\024\227'"
        __func__ = "exec_simple_query"
#15 0x00399034 in PostgresMain (argc=<optimized out>, argv=argv@entry=0x0, dbname=<optimized out>, username=<optimized out>) at postgres.c:4261
        query_string = 0x20d3a78 "select '#4100a', count(distinct result) from (SELECT ST_ClusterKMeans(foo1.the_geom, 3) OVER()  As result\n  FROM ((SELECT ST_Collect(geom)  As the_geom\n\t\tFROM (VALUES ( ST_GeomFromEWKT('SRID=4326;MULT"...
        firstchar = 81
        input_message = {data = 0x20d3a78 "select '#4100a', count(distinct result) from (SELECT ST_ClusterKMeans(foo1.the_geom, 3) OVER()  As result\n  FROM ((SELECT ST_Collect(geom)  As the_geom\n\t\tFROM (VALUES ( ST_GeomFromEWKT('SRID=4326;MULT"..., len = 561,
          maxlen = 1024, cursor = 561}
        local_sigjmp_buf = {{__jmpbuf = {984217184, -983905464, 7374524, 7374528, 34587016, 1, 34409984, 4474, 6633884, 34569224, 0 <repeats 16 times>, 34569224, 7459096, 0, 3758396, 0, 34569224, 7459096, 2559860, 100663296, -142509900, 5063692, 34401800, 16,
              7374524, 5063692, 34401800, 8, 7374524, 34426376, 196608, 34586808, 34426452, 6414624, 5092184, 6414624, 5090580, 0, 34586808, 34569224, 34586968, 34586808, 2635052, 76, 34569224, 34409984, 3223416, 7467272, 0}, __mask_was_saved = 1, __saved_mask = {
              __val = {0, 0, 0, 7372775, 6636828, 34409984, 2781, 5063692, 34421216, 1024, 7374524, 7374524, 34587016, 0, 7310212, 34569224, 5092184, 0, 7459584, 7373868, 4291447336, 4291448732, 34587016, 6633884, 4291448732, 34587016, 4978016, 34426904, 0, 1,
                6634068, 7374524}}}}
        send_ready_for_query = false
        disable_idle_in_transaction_timeout = 152
        __func__ = "PostgresMain"
#16 0x003160f0 in BackendRun (port=0x20f7c08, port=0x20f7c08) at postmaster.c:4484
        av = 0x0
--Type <RET> for more, q to quit, c to continue without paging--c
        maxac = <optimized out>
        ac = 1
        i = 81
        av = <optimized out>
        maxac = <optimized out>
        ac = <optimized out>
        i = <optimized out>
        __func__ = "BackendRun"
        __errno_location = <optimized out>
        __errno_location = <optimized out>
        __errno_location = <optimized out>
#17 BackendStartup (port=0x20f7c08) at postmaster.c:4167
        bn = <optimized out>
        pid = <optimized out>
        bn = <optimized out>
        pid = <optimized out>
        __func__ = "BackendStartup"
        __errno_location = <optimized out>
        __errno_location = <optimized out>
        save_errno = <optimized out>
        __errno_location = <optimized out>
        __errno_location = <optimized out>
#18 ServerLoop () at postmaster.c:1725
        port = 0x20f7c08
        i = <optimized out>
        rmask = {fds_bits = {8, 0 <repeats 31 times>}}
        selres = <optimized out>
        now = <optimized out>
        readmask = {fds_bits = {56, 0 <repeats 31 times>}}
        nSockets = 1630447754
        last_lockfile_recheck_time = 0
        last_touch_time = -3518564
        __func__ = "ServerLoop"
#19 0x003170b4 in PostmasterMain (argc=argc@entry=1, argv=argv@entry=0x4) at postmaster.c:1398
        opt = <optimized out>
        status = <optimized out>
        userDoption = <optimized out>
        listen_addr_saved = 64
        i = <optimized out>
        output_config_variable = <optimized out>
        __func__ = "PostmasterMain"
#20 0x00077918 in main (argc=1, argv=0x4) at main.c:228
No locals.