From mboxrd@z Thu Jan  1 00:00:00 1970
X-Msuck: nntp://news.gmane.org/gmane.linux.lib.musl.general/4578
Path: news.gmane.org!not-for-mail
From: Martin Lucina <martin@lucina.net>
Newsgroups: gmane.linux.lib.musl.general
Subject: Re: LMDB test failures under musl on mips
Date: Fri, 14 Feb 2014 16:53:09 +0100
Message-ID: <20140214155309.GD25651@nodbug.moloch.sk>
References: <20140213205040.GC19573@nodbug.moloch.sk>
 <20140213232648.GG23551@port70.net>
 <20140214093156.GA18582@nodbug.moloch.sk>
 <20140214102601.GH23551@port70.net>
Reply-To: musl@lists.openwall.com
NNTP-Posting-Host: plane.gmane.org
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: ger.gmane.org 1392393201 6709 80.91.229.3 (14 Feb 2014 15:53:21 GMT)
X-Complaints-To: usenet@ger.gmane.org
NNTP-Posting-Date: Fri, 14 Feb 2014 15:53:21 +0000 (UTC)
To: musl@lists.openwall.com
Original-X-From: musl-return-4582-gllmg-musl=m.gmane.org@lists.openwall.com Fri Feb 14 16:53:28 2014
Return-path: <musl-return-4582-gllmg-musl=m.gmane.org@lists.openwall.com>
Envelope-to: gllmg-musl@plane.gmane.org
Original-Received: from mother.openwall.net ([195.42.179.200])
	by plane.gmane.org with smtp (Exim 4.69)
	(envelope-from <musl-return-4582-gllmg-musl=m.gmane.org@lists.openwall.com>)
	id 1WEL4s-0008B6-5w
	for gllmg-musl@plane.gmane.org; Fri, 14 Feb 2014 16:53:22 +0100
Original-Received: (qmail 26576 invoked by uid 550); 14 Feb 2014 15:53:21 -0000
Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm
Precedence: bulk
List-Post: <mailto:musl@lists.openwall.com>
List-Help: <mailto:musl-help@lists.openwall.com>
List-Unsubscribe: <mailto:musl-unsubscribe@lists.openwall.com>
List-Subscribe: <mailto:musl-subscribe@lists.openwall.com>
Original-Received: (qmail 26568 invoked from network); 14 Feb 2014 15:53:21 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lucina.net;
	s=dkim-201309; t=1392393189;
	bh=fzcJ00c8/UsjHg8UbIZ39YTSAA7Dl/uFShuRB+tvP1E=;
	h=Date:From:To:Subject:References:In-Reply-To:From;
	b=X2xm8TC7i7/a/tFoUpc/Ao29Upv6XJW/gtJb4IE+MfoCmanT2KmSBqyM7Lh2DyZC+
	 s2QIuaUSPIYoHB/bv/8StxH42EjIpKIvWB+0f3mUttX7NRG/4P9JtvkUrVRJbWFgsI
	 LSKMIsX5s4xg1zU3LLQeSRD6r0+pFnxP002+SgerlT52AzjKFgsC70wv7VUtplxB8R
	 EuuUPFlnDhI0TFh1BwqCBIuwujSkblP+IK9l3USats2zDygOt3Iw3JRDa4HpyxaqtK
	 EBAt2q95vx01vbxTIY73iVOLFxBysHWqaNAe9AKTdus7P9Kd/viY4s0lqZfBhVzZPl
	 2MqR7zusNfeSA==
Mail-Followup-To: musl@lists.openwall.com
Content-Disposition: inline
In-Reply-To: <20140214102601.GH23551@port70.net>
User-Agent: Mutt/1.5.21 (2010-09-15)
Xref: news.gmane.org gmane.linux.lib.musl.general:4578
Archived-At: <http://permalink.gmane.org/gmane.linux.lib.musl.general/4578>

nsz@port70.net said:
> no, i think strace does not help here
> (at least i didnt see anything obvious)

Same here.

> i don't quite understand the nondeterministic behaviour

Me neither :/ Something to do with magic memory accesses, most likely. I've
gotten in touch with the author via the openldap lists and we are looking
into it.

I built a toolchain for mips-unknown-linux-gnu, using GCC 4.8.1
(crosstool-NG 1.19.0) and configured with eglibc 2.17. mtest still fails
with the same symptoms - so it looks like we can rule out musl as a cause
for the time being.

Will follow up once I have more information.

Thanks for your help,

Martin