Here it is:
postgres$ gdb /usr/local/pgsql/bin/postgres core.1600
(gdb) bt
#0 0x082c101c in pfree (pointer=0x8472f00) at mcxt.c:591
#1 0xb7e46513 in xmlCleanupCharEncodingHandlers () from /usr/lib/libxml2.so.2
#2 0xb7e4f091 in xmlCleanupParser () from /usr/lib/libxml2.so.2
#3 0x082940e4 in xpath (fcinfo=0xbfee59c4) at xml.c:3441
#4 0x0817107f in ExecMakeFunctionResult (fcache=0x84723d0,
econtext=0x8472348, isNull=0x8472fa8 "", isDone=0x8472fb8) at
execQual.c:1351
#5 0x0816f522 in ExecProject (projInfo=0x8472e98, isDone=0xbfee5c78)
at execQual.c:4601
#6 0x08175987 in ExecScan (node=0x84722c0, accessMtd=0x817e310
<IndexNext>) at execScan.c:143
#7 0x0817e2e7 in ExecIndexScan (node=0x84722c0) at nodeIndexscan.c:147
#8 0x0816ee7a in ExecProcNode (node=0x84722c0) at execProcnode.c:338
#9 0x0816e113 in ExecutorRun (queryDesc=0x845e908,
direction=ForwardScanDirection, count=0) at execMain.c:1233
#10 0x08204ea0 in PortalRunSelect (portal=0x84577a0, forward=<value
optimized out>, count=0, dest=0x845d1c8) at pquery.c:943
#11 0x08205eaa in PortalRun (portal=0x84577a0, count=2147483647,
isTopLevel=1 '\001', dest=0x845d1c8, altdest=0x845d1c8,
completionTag=0xbfee5ee8 "") at pquery.c:797
#12 0x082013c3 in exec_simple_query (
query_string=0x8453790 "SELECT xpath('//sp:description/text()',
content, ARRAY[ARRAY['sp',
'http://www.statpro.net/xml/structure/1.0']])\n FROM instrument
WHERE code = 'TEST0018';") at postgres.c:963
#13 0x08202ebc in PostgresMain (argc=4, argv=<value optimized out>,
username=0x83d2330 "postgres") at postgres.c:3531
#14 0x081d76cf in ServerLoop () at postmaster.c:3180
#15 0x081d83a5 in PostmasterMain (argc=3, argv=0x83ccb08) at postmaster.c:1028
#16 0x081909a0 in main (argc=3, argv=0x82c0c00) at main.c:188
(gdb) l
586 header = (StandardChunkHeader *)
587 ((char *) pointer - STANDARDCHUNKHEADERSIZE);
588
589 AssertArg(MemoryContextIsValid(header->context));
590
591 (*header->context->methods->free_p) (header->context, pointer);
592 }
593
594 /*
595 * repalloc
I also uploaded the entire core file on the net, if you want to inspect it:
http://www.oluyede.org/temp/core.1600 (it's ~ 30M)
thank you
--
Lawrence, oluyede.org - neropercaso.it
"It is difficult to get a man to understand
something when his salary depends on not
understanding it" - Upton Sinclair
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