Re: [HACKERS] How do I get the backend server into gdb?

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: michael(dot)j(dot)davis(at)tvguide(dot)com (Michael J Davis)
Cc: scrappy(at)hub(dot)org, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] How do I get the backend server into gdb?
Date: 1999-04-28 19:53:34
Message-ID: 199904281953.PAA12298@candle.pha.pa.us
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There is some option that starts backends, and then sleeps waiting for a
gdb connection, or something like that.

Or you can add the sleep yourself.

[Charset iso-8859-1 unsupported, filtering to ASCII...]
> The problem I need to debug won't allow me to do this. A Postgres
> connection starts and then dies very quickly with a user authentication
> error or database non existence error before I have a chance to attach to
> the process via gdb. I need to find out why postgres will not allow my
> Access97 connection to succeed. Pg_hba.conf appears to be configured
> correctly (it was working and has not changed in past two months). I need
> to have the new postgres session start up in debug.
>
> -----Original Message-----
> From: The Hermit Hacker [SMTP:scrappy(at)hub(dot)org]
> Sent: Wednesday, April 28, 1999 10:19 AM
> To: Michael J Davis
> Cc: pgsql-hackers(at)postgreSQL(dot)org
> Subject: RE: [HACKERS] How do I get the backend server into
> gdb?
>
>
> You can attach to a running process using gdb... 'gdb -t <pid>' or
> something like that...its been awhile since I've used it, sorry...
>
> On Wed, 28 Apr 1999, Michael J Davis wrote:
>
> > I need to debug this connection problem I am having with Access97.
> My
> > question is how can I get the new Postgres backend that starts up
> for Access
> > into debug (gdb)? I can get the PostMaster open in gdb.
> >
> > Thanks, Michael
> >
>
> Marc G. Fournier ICQ#7615664 IRC
> Nick: Scrappy
> Systems Administrator @ hub.org
> primary: scrappy(at)hub(dot)org secondary:
> scrappy(at){freebsd|postgresql}.org
>
>
>

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

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