Re: Re: [CORE] Re: MY PATCH - Mailing list pgsql-patches

Bruce Momjian wrote:

> My guess is that you are closing something you are not opening.  I know,
> run configure with --enable-cassert, and you will see the crash too.

The only place I'm doing that is inside setRelhassubclassInRelation in
commands/creatinh.c. Is the heap_close in there appropriate?


>
> > >
> > > >         UPDATE a SET aa='zzzz' WHERE aa='aaaa';
> > > >         pqReadData() -- backend closed the channel unexpectedly.
> > > >                 This probably means the backend terminated abnormally
> > > >                 before or while processing the request.
> > > >         connection to server was lost
> > > >
> > > > Should I send you a backtrace?
> > >
> > > I guess so. I'm definitely not seeing it.
> > >
> >
> > Sure:
> >
> > #0  0x281e9d65 in kill ()
> > #1  0x28235a5d in abort ()
> > #2  0x81492d8 in ExcAbort (excP=0x819f8fc, detail=0, data=0x0,
> >     message=0x8195bd6 "!((relation)->rd_refcnt > 0)") at excabort.c:27
> > #3  0x8149227 in ExcUnCaught (excP=0x819f8fc, detail=0, data=0x0,
> >     message=0x8195bd6 "!((relation)->rd_refcnt > 0)") at exc.c:170
> > #4  0x814927f in ExcRaise (excP=0x819f8fc, detail=0, data=0x0,
> >     message=0x8195bd6 "!((relation)->rd_refcnt > 0)") at exc.c:187
> > #5  0x81487bf in ExceptionalCondition (
> >     conditionName=0x8195bd6 "!((relation)->rd_refcnt > 0)",
> >     exceptionP=0x819f8fc, detail=0x0, fileName=0x8195a21 "relcache.c",
> >     lineNumber=1337) at assert.c:73
> > #6  0x81457e2 in RelationClose (relation=0x8243268) at relcache.c:1337
> > #7  0x8072803 in heap_close (relation=0x8243268, lockmode=0) at heapam.c:620
> > #8  0x80ae9e2 in EndPlan (plan=0x824bf90, estate=0x824cc18) at execMain.c:958
> > #9  0x80ae2b0 in ExecutorEnd (queryDesc=0x824cc00, estate=0x824cc18)
> >     at execMain.c:358
> > #10 0x810db6c in ProcessQueryDesc (queryDesc=0x824cc00, limoffset=0x0,
> >     limcount=0x0) at pquery.c:336
> > #11 0x810dbce in ProcessQuery (parsetree=0x8234288, plan=0x824bf90,
> >     dest=Remote) at pquery.c:369
> > #12 0x810c5df in pg_exec_query_dest (
> >     query_string=0x81cd368 "UPDATE a SET aa='zzzz' WHERE aa='aaaa';",
> >     dest=Remote, aclOverride=0) at postgres.c:642
> > #13 0x810c4c4 in pg_exec_query (
> >     query_string=0x81cd368 "UPDATE a SET aa='zzzz' WHERE aa='aaaa';")
> >     at postgres.c:539
> > #14 0x810d56d in PostgresMain (argc=6, argv=0x804725c, real_argc=5,
> >     real_argv=0x8047998) at postgres.c:1528
> > #15 0x80f20cc in DoBackend (port=0x81d7000) at postmaster.c:1951
> > #16 0x80f1c52 in BackendStartup (port=0x81d7000) at postmaster.c:1738
> > #17 0x80f0e86 in ServerLoop () at postmaster.c:983
> > #18 0x80f090c in PostmasterMain (argc=5, argv=0x8047998) at postmaster.c:676
> > #19 0x80c0ae7 in main (argc=5, argv=0x8047998) at main.c:93
> > #20 0x806373c in __start ()
> >
> > I can let you login in and poke around.
> > --
> >   Bruce Momjian                        |  http://www.op.net/~candle
> >   pgman@candle.pha.pa.us               |  (610) 853-3000
> >   +  If your life is a hard drive,     |  830 Blythe Avenue
> >   +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026
> >
>
> --
>   Bruce Momjian                        |  http://www.op.net/~candle
>   pgman@candle.pha.pa.us               |  (610) 853-3000
>   +  If your life is a hard drive,     |  830 Blythe Avenue
>   +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

--
Chris Bitmead
mailto:chris@bitmead.com
http://www.techphoto.org - Photography News, Stuff that Matters