On Thu, Apr 7, 2011 at 10:45 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Chris Curvey <ch...@chriscurvey.com> writes: > > And voila! Here is the backtrace: > > > #0 0x00000000006ce317 in GetMemoryChunkSpace (pointer=0x347cc70) at > > mcxt.c:264 > > #1 0x00000000006d3d56 in writetup_index (state=0x26fc530, tapenum=<value > > optimized out>, stup=<value optimized out>) at tuplesort.c:2924 > > #2 0x00000000006d2af7 in dumptuples (state=0x26fc530, alltuples=0 > '\000') > > at tuplesort.c:2068 > > #3 0x00000000006d392f in puttuple_common (state=0x26fc530, > > tuple=0x7fff1e21d3b0) at tuplesort.c:1097 > > #4 0x00000000006d3c4c in tuplesort_putindextuple (state=0x26fc530, > > tuple=<value optimized out>) at tuplesort.c:943 > > #5 0x0000000000472cac in btbuildCallback (index=<value optimized out>, > > htup=0x26f4460, values=<value optimized out>, isnull=<value optimized > out>, > > tupleIsAlive=1 '\001', state=0x7fff1e21d870) at nbtree.c:194 > > That is damn peculiar. You clearly haven't met me yet :) > The tuple handed to writetup_index would have > been copied just moments before in tuplesort_putindextuple, so there is > no way that GetMemoryChunkSpace ought to fail. If you do the run > several times over, do you get the exact same stack trace every time? > > regards, tom lane > I don't get the same trace every time. I ran this again to see if I could duplicate it, and everything worked. Then I ran it again, and got this trace. (Segfault in same location, but a different path to it.) 0 0x00000000006ce31b in GetMemoryChunkSpace (pointer=0x246eae0) at mcxt.c:264 #1 0x00000000006d3d56 in writetup_index (state=0x22cd460, tapenum=<value optimized out>, stup=<value optimized out>) at tuplesort.c:2924 #2 0x00000000006d2af7 in dumptuples (state=0x22cd460, alltuples=1 '\001') at tuplesort.c:2068 #3 0x00000000006d304f in tuplesort_performsort (state=0x22cd460) at tuplesort.c:1164 #4 0x0000000000476023 in _bt_leafbuild (btspool=<value optimized out>, btspool2=0x246eae0) at nbtsort.c:206 #5 0x0000000000472b5a in btbuild (fcinfo=<value optimized out>) at nbtree.c:139 #6 0x00000000006b8ba1 in OidFunctionCall3 (functionId=<value optimized out>, arg1=140165585988880, arg2=140156762410992, arg3=36255616) at fmgr.c:1610 #7 0x00000000004ab804 in index_build (heapRelation=0x7f7ad7f66d10, indexRelation=0x7f78ca094ff0, indexInfo=0x2293780, isprimary=1 '\001') at index.c:1427 #8 0x00000000004ad43e in index_create (heapRelationId=<value optimized out>, indexRelationName=<value optimized out>, indexRelationId=<value optimized out>, indexInfo=0x2293780, indexColNames=<value optimized out>, accessMethodObjectId=<value optimized out>, tableSpaceId=0, classObjectId=0x22939d0, coloptions=0x22939e8, reloptions=0, isprimary=1 '\001', isconstraint=1 '\001', deferrable=0 '\000', initdeferred=0 '\000', allow_system_table_mods=<value optimized out>, skip_build=0 '\000', concurrent=0 '\000') at index.c:959 #9 0x0000000000514ec2 in DefineIndex (heapRelation=<value optimized out>, indexRelationName=<value optimized out>, indexRelationId=<value optimized out>, accessMethodName=<value optimized out>, tableSpaceName=<value optimized out>, attributeList=0x0, predicate=0x0, options=0x0, exclusionOpNames=0x0, unique=1 '\001', primary=1 '\001', isconstraint=1 '\001', deferrable=<value optimized out>, initdeferred=<value optimized out>, is_alter_table=1 '\001', check_rights=1 '\001', skip_build=0 '\000', quiet=0 '\000', concurrent=<value optimized out>) at indexcmds.c:484 #10 0x0000000000522b7b in ATExecAddIndex (tab=<value optimized out>, rel=<value optimized out>, stmt=<value optimized out>, is_rebuild=0 '\000') at tablecmds.c:4576 #11 0x000000000052b422 in ATExecCmd (wqueue=<value optimized out>) at tablecmds.c:2744 #12 ATRewriteCatalogs (wqueue=<value optimized out>) at tablecmds.c:2670 #13 0x000000000052c0d7 in ATController (rel=0x7f7ad7f66d10, cmds=<value optimized out>, recurse=<value optimized out>) at tablecmds.c:2421 #14 0x0000000000604415 in standard_ProcessUtility (parsetree=<value optimized out>, queryString=0x2246b80 "ALTER TABLE ONLY erelated_base\n ADD CONSTRAINT erelated_base_pkey PRIMARY KEY (id);", params=0x0, isTopLevel=1 '\001', dest=0x2247b40, completionTag=0x7fffc180d440 "") at utility.c:717 #15 0x00000000006000a7 in PortalRunUtility (portal=0x21bdf90, utilityStmt=0x2247800, isTopLevel=0 '\000', dest=0x2247b40, completionTag=0x7fffc180d440 "") at pquery.c:1191 #16 0x00000000006010ec in PortalRunMulti (portal=0x21bdf90, isTopLevel=1 '\001', dest=0x2247b40, altdest=0x2247b40, completionTag=0x7fffc180d440 "") at pquery.c:1296 #17 0x0000000000601852 in PortalRun (portal=<value optimized out>, count=<value optimized out>, isTopLevel=-32 '\340', dest=<value optimized out>, altdest=<value optimized out>, completionTag=<value optimized out>) at pquery.c:822 #18 0x00000000005fde0b in exec_simple_query (query_string=<value optimized out>) at postgres.c:1058 #19 0x00000000005fee47 in PostgresMain (argc=<value optimized out>, argv=<value optimized out>, username=<value optimized out>) at postgres.c:3931 #20 0x00000000005cc3b9 in BackendRun () at postmaster.c:3555 #21 BackendStartup () at postmaster.c:3242 #22 ServerLoop () at postmaster.c:1431 #23 0x00000000005cea1c in PostmasterMain (argc=35397488, argv=0x219d8f0) at postmaster.c:1092 #24 0x0000000000575be0 in main (argc=3, argv=0x219d8e0) at main.c:188 -- Ignoring that little voice in my head since 1966!
