From owner-freebsd-current@FreeBSD.ORG Thu Dec 19 19:26:19 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 9A8D1A05 for ; Thu, 19 Dec 2013 19:26:19 +0000 (UTC) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id F2648109F for ; Thu, 19 Dec 2013 19:26:18 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.7/8.14.7) with ESMTP id rBJJQFKL072282 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 19 Dec 2013 23:26:15 +0400 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.7/8.14.7/Submit) id rBJJQFPi072281; Thu, 19 Dec 2013 23:26:15 +0400 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Thu, 19 Dec 2013 23:26:15 +0400 From: Gleb Smirnoff To: Larry Baird Subject: Re: Strange coredumps with virtualized i386 FreeBSD 10 Message-ID: <20131219192615.GC71033@glebius.int.ru> References: <20131219145116.GA83323@gta.com> <20131219151024.GA71033@FreeBSD.org> <20131219153332.GC87481@gta.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131219153332.GC87481@gta.com> User-Agent: Mutt/1.5.22 (2013-10-16) Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Dec 2013 19:26:19 -0000 Larry, On Thu, Dec 19, 2013 at 10:33:32AM -0500, Larry Baird wrote: L> > On Thu, Dec 19, 2013 at 09:51:16AM -0500, Larry Baird wrote: L> > L> Does anybody else have issues with running i386 FreeBSD 10 under Virtual Box? L> > L> I have been running a number of different versions of FreeBSD under Virtual L> > L> Box for some time without any issues. Last week I installed amd64 FreeBSD L> > L> 10 rc1 without any issue. Yesterday I decided to try i386 FreeBSD 10 rc1. L> > L> Install seemed to go ok. After initial boot I tried to update ports using L> > L> portsnap. I got a message about corrupted zip file. I initially thought L> > L> something was wrong with portsnap. Nothing I tried seemed to fix the issue, L> > L> so I moved on. I tried to build subversion. I got coredumps from cc and was L> > L> unable to build any ports. I decided something must have gone wrong with the L> > L> install. I reinstalled and got the same results. I then downloaded and L> > L> installed i386 FreeBSD 10 rc2. I had the same issues. So I then installed L> > L> FreeBSD 10 rc1 amd64. No issues, everything seemed to behave as expected. L> > L> I then installed FreeBSD 9.2 i386. No issues. I then used subversion and L> > L> mergemaster to upgrade to FreeBSD 10 stable. After doing upgrade, I once L> > L> again get coredumps from cc. L> > L> L> > L> In case it matters Virtual box is version 4.3.4 running under Windows 7 64 bit. L> > L> L> > L> Anybody else having issues with i386 FreeBSD 10? L> > L> > Can you please set L> > L> > vfs.unmapped_buf_allowed=0 L> > L> > in boot loader and try to reproduce the problem? L> This seemed to fix the issue. I can now use portsnap and I have successfully L> compiled serveral ports. L> L> Is "unmapped_buf_allowed" a virtualization issue or an i386 issue? We do not yet sure diagnosis yet, but this looks like a bug in the VirtualBox. -- Totus tuus, Glebius.