From owner-freebsd-arm@freebsd.org Mon Mar 6 16:16:06 2017 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 63024CFBC25 for ; Mon, 6 Mar 2017 16:16:06 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (www.zefox.net [69.239.235.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "www.zefox.org", Issuer "www.zefox.org" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 358031368; Mon, 6 Mar 2017 16:16:06 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (localhost [127.0.0.1]) by www.zefox.net (8.15.2/8.15.2) with ESMTPS id v26GG5FU019235 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 6 Mar 2017 08:16:06 -0800 (PST) (envelope-from fbsd@www.zefox.net) Received: (from fbsd@localhost) by www.zefox.net (8.15.2/8.15.2/Submit) id v26GG435019234; Mon, 6 Mar 2017 08:16:04 -0800 (PST) (envelope-from fbsd) Date: Mon, 6 Mar 2017 08:16:04 -0800 From: bob prohaska To: mmel@freebsd.org Cc: Ralf Wenk , freebsd-arm@freebsd.org, bob prohaska Subject: Re: Booting an old kernel on RPI2 Message-ID: <20170306161603.GA19195@www.zefox.net> References: <20170304165740.GA9625@www.zefox.net> <5b7c8f33-2ba7-540b-3957-de4103542ed7@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5b7c8f33-2ba7-540b-3957-de4103542ed7@freebsd.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Mar 2017 16:16:06 -0000 On Mon, Mar 06, 2017 at 11:38:07AM +0100, Michal Meloun wrote: > > > > Hi, > I'm afraid that clang 4.0.0 miscompile jemalloc for armv6 architecture. > One of the kernels reporting "out of memory" during boot is FreeBSD 11.0-CURRENT #71 r297769: Sat Apr 9 18:11:07 PDT 2016 bob@www.zefox.com:/usr/obj/usr/src/sys/RPI2 arm FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM 3.8.0) U-boot in all cases is U-Boot 2015.04 (May 30 2015 - 22:13:58) which I admit is rather old..... Is the bug in Clang old enough to be the culprit? bob prohaska