| From: | Noah Misch <noah(at)leadboat(dot)com> |
|---|---|
| To: | Semab Tariq <semab(dot)tariq(at)enterprisedb(dot)com> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Sandeep Thakkar <sandeep(dot)thakkar(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andrey Borodin <x4mmm(at)yandex-team(dot)ru>, Andres Freund <andres(at)anarazel(dot)de>, CM Team <cm(at)enterprisedb(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org>, Michael Paquier <michael(at)paquier(dot)xyz>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Peter Geoghegan <pg(at)bowt(dot)ie> |
| Subject: | Re: CREATE INDEX CONCURRENTLY does not index prepared xact's data |
| Date: | 2021-11-07 23:22:02 |
| Message-ID: | 20211107232202.GA882747@rfd.leadboat.com |
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| Thread: | |
| Lists: | pgsql-bugs |
On Sun, Nov 07, 2021 at 08:25:09PM +0500, Semab Tariq wrote:
> On Sun, Nov 7, 2021 at 4:08 AM Noah Misch <noah(at)leadboat(dot)com> wrote:
> > On Fri, Nov 05, 2021 at 04:22:36AM -0700, Noah Misch wrote:
> > > On Fri, Nov 05, 2021 at 03:21:15PM +0500, Semab Tariq wrote:
> > > > Breakpoint 1, 0x40000000003fcb50:0 in equalTupleDescs (
> > > > tupdesc1=0x40010006f968, tupdesc2=0x87ffffffffffac50)
> > >
> > > The addresses there are weird. tupdesc1 is neither a stack address nor a heap
> > > address; it may be in a program text section. tupdesc2 is a stack address.
> > > In the earlier stack trace from
> > > https://postgr.es/m/CANFyU94Xa8a5+4sZ7PxOiDLq+yN89g6y-9nNk-eLEvX6YUXbXA@mail.gmail.com
> > > both tupdesc1 and tupdesc2 were heap addresses.
That turned out to be a false alarm. On gharial, a breakpoint at the start of
the function doesn't see the real arguments. After a ten-instruction
prologue, the real arguments appear, and they are heap addresses.
> PFA new regress_log_080_step_equalTupleDescs file generated from your latest patch
Thanks. That shows the crash happened sometime after strcmp(defval1->adbin,
defval2->adbin). Please run the attached version, which collects yet more
information.
| Attachment | Content-Type | Size |
|---|---|---|
| step-to-crash-v0.4.patch | text/plain | 5.2 KB |
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