From owner-freebsd-bugs  Thu Aug  8 12:20:14 2002
Delivered-To: freebsd-bugs@hub.freebsd.org
Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 0211C37B400
	for <freebsd-bugs@hub.freebsd.org>; Thu,  8 Aug 2002 12:20:10 -0700 (PDT)
Received: from freefall.freebsd.org (freefall.FreeBSD.org [216.136.204.21])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 41EE543E70
	for <freebsd-bugs@hub.freebsd.org>; Thu,  8 Aug 2002 12:20:09 -0700 (PDT)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	by freefall.freebsd.org (8.12.4/8.12.4) with ESMTP id g78JK8JU096764
	for <freebsd-bugs@freefall.freebsd.org>; Thu, 8 Aug 2002 12:20:08 -0700 (PDT)
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.12.4/8.12.4/Submit) id g78JK8kA096763;
	Thu, 8 Aug 2002 12:20:08 -0700 (PDT)
Date: Thu, 8 Aug 2002 12:20:08 -0700 (PDT)
Message-Id: <200208081920.g78JK8kA096763@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
Cc: 
From: Stefan Schwarzer <sschwarzer@sschwarzer.net>
Subject: Re: misc/41213: top(1) blocks if NIS-related entries in passwd(5)
 are in a certain order
Reply-To: Stefan Schwarzer <sschwarzer@sschwarzer.net>
Sender: owner-freebsd-bugs@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-bugs.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-bugs>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-bugs>
X-Loop: FreeBSD.org

The following reply was made to PR misc/41213; it has been noted by GNATS.

From: Stefan Schwarzer <sschwarzer@sschwarzer.net>
To: David Malone <dwmalone@maths.tcd.ie>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: misc/41213: top(1) blocks if NIS-related entries in passwd(5)
 are in a certain order
Date: Thu, 08 Aug 2002 21:14:23 +0200

 Hello David
 
 David Malone wrote:
 > This might be a bug in the code for iterating through all users
 > in libc.  I think that top tries to do this to find the longest
 > username it will have to deal with. Could you try the included
 > simple C program and see if you can reproduce the problem? It should
 > keep looping on the problem user.
 
 I've tried the program with my workaround applied and for two different
 positions of the netgroup entry I spoke of. For the latter two of the three
 positions, the program loops.
 
 > If you want to check it is this code that is looping, the last thing
 > before top gets stuck in a loop should be the calling of sysctlbyname
 > on either "machdep.smp_active" or "smp.smp_active". You may be able
 > to find this in your ktrace output.
 
 I couldn't find that, however (searching the dump in less for sysctlbyname).
 
 Stefan
 

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-bugs" in the body of the message