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

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.


> >
> > >         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