Re: PG 9.5.5 cores on AIX 7.1

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: "Abraham, Danny" <danny_abraham(at)bmc(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: PG 9.5.5 cores on AIX 7.1
Date: 2020-07-19 22:34:28
Message-ID: CA+hUKGLLkS5=U5-0mWoT+ZeFD=PJ70spdHDWVjqMO0kwvtEwxA@mail.gmail.com
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On Sun, Jul 19, 2020 at 11:01 PM Abraham, Danny <danny_abraham(at)bmc(dot)com> wrote:
> Segmentation fault in _alloc_initial_pthread at 0x900000000521474
> 0x900000000521474 (_alloc_initial_pthread+0x1d4) e8030000 ld r0,0x0(r3)
> (dbx) where
> _alloc_initial_pthread(??) at 0x900000000521474
> __pth_init(??) at 0x90000000051f390
> uload(??, ??, ??, ??, ??, ??) at 0x9fffffff000ab70 load1(??, ??, ??, ??) at 0x900000000000b74 load(??, ??, ??) at 0x900000000001ef0 loadAndInit(??, ??, ??) at 0x90000000005b38c dlopen(??, ??) at 0x90000000009bfe0
> internal_load_library(??) at 0x10014c684
> RestoreLibraryState(??) at 0x10014d79c
> ParallelWorkerMain(??) at 0x1000bb2d0
> StartBackgroundWorker() at 0x10026cd94
> maybe_start_bgworkers() at 0x10003834c
> sigusr1_handler(??) at 0x10003902c
> __fd_select(??, ??, ??, ??, ??) at 0x9000000001567fc
> ServerLoop() at 0x1004cec90
> PostmasterMain(??, ??) at 0x10003a4e8
> main(??, ??) at 0x1000008f8

FWIW there was a report a decade ago that looked at least superficially similar:

https://www.postgresql.org/message-id/flat/09B23E7BF70425478C1330D893A722C602FEC019BD%40MailSVR.invera.com

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