Re: Need help with phys backed shm segments (Postgresql+FreeBSD).

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alfred Perlstein <bright(at)wintelcom(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Need help with phys backed shm segments (Postgresql+FreeBSD).
Date: 2000-12-05 16:12:32
Message-ID: 14710.976032752@sss.pgh.pa.us
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BTW, I just remembered that in 7.0.*, the SLocks that are managed by
SpinAcquire() all live in their own little shm segment. On a machine
where slock_t is char, it'd likely only amount to 128 bytes or so.
Maybe you are seeing some bug in FreeBSD's handling of tiny shm
segments?

regards, tom lane

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