From owner-freebsd-current@FreeBSD.ORG  Sat Mar 14 17:46:42 2009
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id B95421065670;
	Sat, 14 Mar 2009 17:46:42 +0000 (UTC)
	(envelope-from rdivacky@vlk.vlakno.cz)
Received: from vlakno.cz (77-93-215-190.static.masterinter.net [77.93.215.190])
	by mx1.freebsd.org (Postfix) with ESMTP id 6DAD88FC20;
	Sat, 14 Mar 2009 17:46:42 +0000 (UTC)
	(envelope-from rdivacky@vlk.vlakno.cz)
Received: from localhost (localhost [127.0.0.1])
	by vlakno.cz (Postfix) with ESMTP id 223859CB071;
	Sat, 14 Mar 2009 18:46:27 +0100 (CET)
X-Virus-Scanned: amavisd-new at vlakno.cz
Received: from vlakno.cz ([127.0.0.1])
	by localhost (lev.vlakno.cz [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id fAC7GkiULT2v; Sat, 14 Mar 2009 18:46:24 +0100 (CET)
Received: from vlk.vlakno.cz (localhost [127.0.0.1])
	by vlakno.cz (Postfix) with ESMTP id 774169CB123;
	Sat, 14 Mar 2009 18:46:24 +0100 (CET)
Received: (from rdivacky@localhost)
	by vlk.vlakno.cz (8.14.3/8.14.3/Submit) id n2EHkOdH037341;
	Sat, 14 Mar 2009 18:46:24 +0100 (CET) (envelope-from rdivacky)
Date: Sat, 14 Mar 2009 18:46:24 +0100
From: Roman Divacky <rdivacky@FreeBSD.org>
To: "Sean C. Farley" <scf@FreeBSD.org>
Message-ID: <20090314174624.GB36903@freebsd.org>
References: <3f1fd1ea0903140635p74a47a7n290a70e1570b6f08@mail.gmail.com>
	<permail-2009031413551680e26a0b00001186-a_best01@message-id.uni-muenster.de>
	<3f1fd1ea0903140702n27db3182tee7d68a352a8538b@mail.gmail.com>
	<alpine.BSF.2.00.0903141124340.10771@thor.farley.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <alpine.BSF.2.00.0903141124340.10771@thor.farley.org>
User-Agent: Mutt/1.4.2.3i
Cc: Alexander Best <alexbestms@math.uni-muenster.de>,
	freebsd-current@FreeBSD.org, Michal Varga <varga.michal@gmail.com>
Subject: Re: linux 3d applications keep crashing
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/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: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 14 Mar 2009 17:46:43 -0000

On Sat, Mar 14, 2009 at 11:58:04AM -0500, Sean C. Farley wrote:
> On Sat, 14 Mar 2009, Michal Varga wrote:
> 
> >On Sat, Mar 14, 2009 at 2:55 PM, Alexander Best
> ><alexbestms@math.uni-muenster.de> wrote:
> >>thanks for the hint. setting compat.linux.osrelease=2.4.2 works. :-) 
> >>settings compat.linux.osrelease=2.4.20 let's quake4 crash with the 
> >>very same error message when using compat.linux.osrelease=2.6.16.
> >>
> >Ah, I missed the .20 part. I think "2.4.2" and "2.6.16" are the magic 
> >words to flip 2.4/2.6 linuxulators, as far as I know there should be 
> >no other sub-versions doing anything specific (yes, too lazy to check 
> >sources). I'd assume that setting 2.4.20 just enables the default 
> >path, that is 2.6 on -CURRENT.
> 
> Setting 2.4.20 and greater flips a switch in the linker to use NPTL as 
> opposed to LinuxThreads (old threading library).
> 
> Here are some good links about the different versions and how they can 
> be changed for execution of a program:
> http://my.opera.com/onyxluo/blog/2008/10/15/metalink-note-433292-1-ld-assume-kernel-environment-variable
> http://developer.novell.com/wiki/index.php/LD_ASSUME_KERNEL

we dont support this