Re: [HACKERS] Shared memory corruption?

Vadim B. Mikheev <vadim@sable.krasnoyarsk.su>

From: "Vadim B. Mikheev" <vadim@sable.krasnoyarsk.su>

To: Bruce Momjian <maillist@candle.pha.pa.us>

Cc: Tom I Helbekkmo <tih@Hamartun.Priv.NO>, pgsql-hackers@postgreSQL.org

Date: 1998-02-19T08:02:37Z

Lists: pgsql-hackers

Bruce Momjian wrote:
> 
> Vadim, I may need your help on this one.  I can reproduce it by runinng
> the regression test, and doing a shell 'while' loop that continuously
> creates databases:
> 
>         while :
>         do
>                 sh -c 'createdb $$'
>         done
> 
> I get the errors too.  I have no idea on a cause.  I would hope it is
> not the new deadlock code, or locking fixes I did.  I think the message
> comes from smgrblindwrt.  Is it possible our new speedups are causing
> it?

I can reproduce it. Keep looking...
BTW, did you compile without --enable-cassert ?
(Should be ON by default in beta-s...)
I got some interest assertion from BufferAlloc, without CASSERT you should get
dead spinlock from there.

Vadim