Re: SIGSEGV taken on 8.1 during dump/reload

When grilled further on (Mon, 7 Nov 2005 08:07:14 -0700),
Robert Creager <Robert_Creager(at)logicalchaos(dot)org> confessed:

I'm currently attached to the dead (dying) process. spl_nright seems pretty large...

(gdb) print v->spl_nright
$3 = 138311580

Program received signal SIGSEGV, Segmentation fault.
0x08082057 in gistUserPicksplit (r=0x48f3f1e4, entryvec=0x83e534c, v=0xbfffcbc0, itup=0x83e3454, len=227, giststate=0xbfffd120) at gistutil.c:833
833 if (v->spl_right[v->spl_nright - 1] == InvalidOffsetNumber)
(gdb) bt
#0 0x08082057 in gistUserPicksplit (r=0x48f3f1e4, entryvec=0x83e534c, v=0xbfffcbc0, itup=0x83e3454, len=227, giststate=0xbfffd120) at gistutil.c:833
#1 0x0807f249 in gistSplit (r=0x48f3f1e4, buffer=8917, itup=0x83e3454, len=0xbfffcea4, dist=0xbfffcea0, giststate=0xbfffd120) at gist.c:1083
#2 0x0807c8ab in gistplacetopage (state=0xbfffcf10, giststate=0xbfffd120) at gist.c:331
#3 0x0807e2cd in gistmakedeal (state=0xbfffcf10, giststate=0xbfffd120) at gist.c:878
#4 0x0807c7e1 in gistdoinsert (r=0x48f3f1e4, itup=0x83e339c, giststate=0xbfffd120) at gist.c:299
#5 0x0807c5a6 in gistbuildCallback (index=0x48f3f1e4, htup=0x83c3de8, values=0xbfffd020, isnull=0xbfffd000 "", tupleIsAlive=1 '\001', state=0xbfffd120)
at gist.c:207
#6 0x080cbb14 in IndexBuildHeapScan (heapRelation=0x48f3e1cc, indexRelation=0x48f3f1e4, indexInfo=0x83c3b6c, callback=0x807c4f0 <gistbuildCallback>,
callback_state=0xbfffd120) at index.c:1573
#7 0x0807c3b5 in gistbuild (fcinfo=0xbfffe670) at gist.c:145
#8 0x08234dfd in OidFunctionCall3 (functionId=782, arg1=1223942604, arg2=1223946724, arg3=138165100) at fmgr.c:1460
#9 0x080cb8d3 in index_build (heapRelation=0x48f3e1cc, indexRelation=0x48f3f1e4, indexInfo=0x83c3b6c) at index.c:1353
#10 0x080cacdc in index_create (heapRelationId=128249, indexRelationName=0x83a0b94 "catalog_ra_decl_index", indexRelationId=128443, indexInfo=0x83c3b6c,
accessMethodObjectId=783, tableSpaceId=0, classObjectId=0x83c9cfc, primary=0 '\0', isconstraint=0 '\0', allow_system_table_mods=0 '\0',
skip_build=0 '\0') at index.c:757
#11 0x08110671 in DefineIndex (heapRelation=0x30f, indexRelationName=0x83a0b94 "catalog_ra_decl_index", indexRelationId=0,
accessMethodName=0x83a0c00 "gist", tableSpaceName=0x0, attributeList=0x83a0c58, predicate=0x0, rangetable=0x0, unique=0 '\0', primary=0 '\0',
isconstraint=0 '\0', is_alter_table=0 '\0', check_rights=1 '\001', skip_build=0 '\0', quiet=0 '\0') at indexcmds.c:383
#12 0x081c409b in ProcessUtility (parsetree=0x83a0c74, params=0x0, dest=0x83a0cf0, completionTag=0xbfffec00 "") at utility.c:748
#13 0x081c2b84 in PortalRunUtility (portal=0x83aad14, query=0x83a0a7c, dest=0x83a0cf0, completionTag=0xbfffec00 "") at pquery.c:987
#14 0x081c2e0b in PortalRunMulti (portal=0x83aad14, dest=0x83a0cf0, altdest=0x83a0cf0, completionTag=0xbfffec00 "") at pquery.c:1054
#15 0x081c26a6 in PortalRun (portal=0x83aad14, count=2147483647, dest=0x83a0cf0, altdest=0x83a0cf0, completionTag=0xbfffec00 "") at pquery.c:665
#16 0x081be579 in exec_simple_query (query_string=0x83a0864 "CREATE INDEX catalog_ra_decl_index ON catalog USING gist (loc);") at postgres.c:1014
#17 0x081c1377 in PostgresMain (argc=4, argv=0x8345f3c, username=0x8345f14 "robert") at postgres.c:3168
#18 0x08198692 in BackendRun (port=0x835ea08) at postmaster.c:2854
#19 0x081980a5 in BackendStartup (port=0x835ea08) at postmaster.c:2498
#20 0x081963fe in ServerLoop () at postmaster.c:1231
#21 0x081957aa in PostmasterMain (argc=3, argv=0x8344788) at postmaster.c:943
#22 0x08158b49 in main (argc=3, argv=0x8344788) at main.c:256

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