Re: infinite loop in _bt_getstackbuf

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: infinite loop in _bt_getstackbuf
Date: 2014-10-31 03:52:57
Message-ID: 18445.1414727577@sss.pgh.pa.us
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Noah Misch <noah(at)leadboat(dot)com> writes:
> Looks like _bt_getstackbuf() is always called with some buffer lock held, so
> CHECK_FOR_INTERRUPTS() alone would not help:
> http://www.postgresql.org/message-id/flat/16519(dot)1401395152(at)sss(dot)pgh(dot)pa(dot)us

Oooh, good point. I never followed up on that idea, but we would have to
in order to fix the case Robert is on about.

regards, tom lane

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