From owner-freebsd-current@freebsd.org  Sat May  2 18:36:38 2020
Return-Path: <owner-freebsd-current@freebsd.org>
Delivered-To: freebsd-current@mailman.nyi.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.nyi.freebsd.org (Postfix) with ESMTP id 218AD2D6F44
 for <freebsd-current@mailman.nyi.freebsd.org>;
 Sat,  2 May 2020 18:36:38 +0000 (UTC) (envelope-from pi@freebsd.org)
Received: from fc.opsec.eu (fc.opsec.eu [IPv6:2001:14f8:200:4::4])
 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
 server-signature RSA-PSS (4096 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 49DyWV05Vlz4VTx;
 Sat,  2 May 2020 18:36:37 +0000 (UTC) (envelope-from pi@freebsd.org)
Received: from pi by fc.opsec.eu with local (Exim 4.93.0.4 (FreeBSD))
 (envelope-from <pi@freebsd.org>)
 id 1jUx06-000927-Pn; Sat, 02 May 2020 20:36:34 +0200
Date: Sat, 2 May 2020 20:36:34 +0200
From: Kurt Jaeger <pi@freebsd.org>
To: Grzegorz Junka <list1@gjunka.com>
Cc: Kurt Jaeger <pi@freebsd.org>, bzeeb+freebsd+lor@zabbadoz.net,
 freebsd-current@freebsd.org
Subject: Re: lock order reversal and poudriere
Message-ID: <20200502183634.GA90255@fc.opsec.eu>
References: <68514e96-f1a5-0c8d-998f-bf81034ed61d@gjunka.com>
 <20200502095404.GN39563@home.opsec.eu>
 <b2a13239-e65e-5385-8b87-3ff0942d3d8a@gjunka.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <b2a13239-e65e-5385-8b87-3ff0942d3d8a@gjunka.com>
X-Rspamd-Queue-Id: 49DyWV05Vlz4VTx
X-Spamd-Bar: -
Authentication-Results: mx1.freebsd.org;
	none
X-Spamd-Result: default: False [-1.64 / 15.00]; TAGGED_RCPT(0.00)[freebsd,lor];
 local_wl_from(0.00)[freebsd.org];
 NEURAL_HAM_MEDIUM(-0.85)[-0.852,0];
 ASN(0.00)[asn:12502, ipnet:2001:14f8::/32, country:DE];
 NEURAL_HAM_LONG(-0.79)[-0.788,0]
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 02 May 2020 18:36:38 -0000

Hi!

> > > I am compiling some packages with poudriere on 13-current kernel. I
> > > noticed some strange messages printed into the terminal and dmesg:
> > > 
> > > lock order reversal:
> > [...]
> > > Are those the debug messages that aren't visible on non-current kernel
> > > and should they be reported?
> > Yes, they should be checked and reported.
> > 
> > For more details see:
> > 
> > http://sources.zabbadoz.net/freebsd/lor.html
> > 
> > There's a webpage with a list of all known LORs and a way to
> > report new LORs.

> Thanks Kurt. I can't find those two specific LORs in the list on that
> page. The page also says to report them using a link, which leads to 404
> :-), or on this mailing list, which I did. I am not sure what else should
> I do.

I don't know, either 8-} bz@ is in Cc:, so he'll probably know what
to do.

> How do I know if I have got a backtrace?
> 
> Are those errors:
> 
> pid 43297 (conftest), jid 5, uid 0: exited on signal 11
> 
> related or it's a different issue?

I think that's a different issue.

-- 
pi@FreeBSD.org         +49 171 3101372                  Now what ?