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Re: [PORTS] Port Bug Report: Backend crashes daily.

From: secret <secret(at)kearneydev(dot)com>
To: The Hermit Hacker <scrappy(at)hub(dot)org>
Cc: pgsql-ports(at)postgreSQL(dot)org
Subject: Re: [PORTS] Port Bug Report: Backend crashes daily.
Date: 1999-03-09 19:17:54
Message-ID: 36E573E2.DC28C17F@kearneydev.com (view raw or flat)
Thread:
Lists: pgsql-ports
The Hermit Hacker wrote:

> You have a new version of the ODBC driver, but you might want to upgrade
> to the newest version of the server, which is currently v6.4.2 ...
>
> On Tue, 9 Mar 1999, Unprivileged user wrote:
>
> >
> > ============================================================================
> >                         POSTGRESQL BUG REPORT TEMPLATE
> > ============================================================================
> >
> >
> > Your name             : David Secret
> > Your email address    : secret(at)kearneydev(dot)com
> >
> > Category              : runtime: back-end
> > Severity              : serious
> >
> > Summary: Backend crashes daily.
> >
> > System Configuration
> > --------------------
> >   Operating System   : Linux 2.0.36 ELF/Redhat 5.2
> >
> >   PostgreSQL version : 6.4
> >
> >   Compiler used      : gcc 2.7.2.3
> >
> > Hardware:
> > ---------
> > Linux tau.kearneydev.com 2.0.36 #1 Tue Oct 13 22:17:11 EDT 1998 i686 unknown
> > Pentium-II 266MHz 64M RAM
> >
> > Versions of other tools:
> > ------------------------
> > GNU Make version 3.76.1, by Richard Stallman and Roland McGrath.
> >
> > --------------------------------------------------------------------------
> >
> > Problem Description:
> > --------------------
> > At least once daily my visual basic 5 program using ODBC version
> > 6.40.0004 kills the backend, all postmaster processes immediately
> > zombie and I'm dead in the water.  There doesn't seem to be
> > a way to reproduce it regularly, as if I do the exact same thing
> > again it won't happen.
> >
> > Here is an excerpt from the end of a -d 3 log:
> >
> > <Normal queries & such for about 3 megs before this>
> > query: SELECT "material_id" ,"name" ,"short_name" ,"legacy" FROM "material" ORDE
> > R BY "legacy" DESC,"name"
> > ProcessQuery
> > CommitTransactionCommand
> > ERROR:  postmaster: StreamConnection: accept: Invalid argument
> > pmdie 3
> > SignalChildren: sending signal 15 to process 11590
> > SignalChildren: sending signal 15 to process 11589
> > proc_exit(0) [#0]
> > shmem_exit(0) [#0]
> > .. <Everything dies from here>
> >
> > I'll definately help by providing a sample of my program or
> > whatever debug level log files you'd like, I really love
> > PostgreSQL and will support it if I can use it in my projects,
> > except for large joins(7 tables) the performance is
> > impressive.
> >
> >
> > --------------------------------------------------------------------------
> >
> > Test Case:
> > ----------
> > Unfortunately I haven't found a way to reproduce the problem,
> > I think there is a small chance the ODBC driver is sending
> > something funky to the backend(as it mentions a failed
> > stream connect before dying), but no idea how to reproduce
> > this.  I'll attempt to capture a log file from the ODBC
> > driver, but this is difficult as it only happens on 1 of 3
> > machines daily.
> >
> > --------------------------------------------------------------------------
> >
> > Solution:
> > ---------
> >
> >
> > --------------------------------------------------------------------------
> >
> >
>
> Marc G. Fournier
> Systems Administrator @ hub.org
> primary: scrappy(at)hub(dot)org           secondary: scrappy(at){freebsd|postgresql}.org

    I forgot to echo my response to the whole list, so Hermit will recieve a
duplicate... I am using 6.4.2, my appoligizes on accidentally putting 6.4 ...  Should
I begin running higher level debug reports to try and track this down?  Let me know
what I can do to assist in diagnosing this...

--David



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