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Re: bin/44958: dig(9) busy-loops
The following reply was made to PR bin/44958; it has been noted by GNATS.
From: David Holland <dholland-bugs%netbsd.org@localhost>
Subject: Re: bin/44958: dig(9) busy-loops
Date: Sat, 14 May 2011 06:42:37 +0000
On Thu, May 12, 2011 at 08:00:01PM +0000, Hauke Fath wrote:
> On a -current NetBSD/sparc mp installation, dig(8) busy-loops
> at 100% cpu, and has to be 'kill -9'ed. This happens
> frequently when dig is called from an ifwatchd(8) script, and
> less so when called interactively.
> I've categorized this 'bin', although it might actually be
> sparc-mp related.
I think it's pthreads-related; dig and the other pieces of bind are
multithreaded for some reason and I vaguely recall that there is or
recently has been a known issue with sparc and threads.
The same thing was happening on amd64 at one point last year but it's
been fixed since.
David A. Holland
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