From owner-svn-src-head@FreeBSD.ORG Thu Nov 12 07:51:59 2009 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 624111065693; Thu, 12 Nov 2009 07:51:59 +0000 (UTC) (envelope-from flo@smeets.im) Received: from mail.solomo.de (mail.solomo.de [85.214.49.72]) by mx1.freebsd.org (Postfix) with ESMTP id 182058FC17; Thu, 12 Nov 2009 07:51:58 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.solomo.de (Postfix) with ESMTP id D06CB3F593; Thu, 12 Nov 2009 08:41:13 +0100 (CET) X-Virus-Scanned: amavisd-new at vistream.de Received: from mail.solomo.de ([127.0.0.1]) by localhost (mail.solomo.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id NRp6oPgG1G+c; Thu, 12 Nov 2009 08:41:10 +0100 (CET) Received: from nibbler.vistream.local (relay3.vistream.de [87.139.10.28]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mail.solomo.de (Postfix) with ESMTPSA id 3125D3F4E1; Thu, 12 Nov 2009 08:41:10 +0100 (CET) Message-ID: <4AFBBC15.8080101@smeets.im> Date: Thu, 12 Nov 2009 08:41:09 +0100 From: Florian Smeets User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.1.6pre) Gecko/20091110 Lightning/1.0pre Shredder/3.0pre MIME-Version: 1.0 To: Ed Schouten References: <7meio5g4yx.wl%kuriyama@s2factory.co.jp> <20091111215651.GM64905@hoeg.nl> In-Reply-To: <20091111215651.GM64905@hoeg.nl> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Jun Kuriyama Subject: Re: svn commit: r199067 - in head/sys: amd64/amd64 i386/i386 X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2009 07:51:59 -0000 On 11/11/09 10:56 PM, Ed Schouten wrote: > Hi, > > * Jun Kuriyama wrote: >> Can you test with these patches? Testing on only one of both system >> is enough. "patch-1" forces disabling CLFLUSH feature even if SS bit >> exists. "patch-2" forces no CLFLUSH tweak. I'd like to know with >> which patch your system can live. > > For some reason they both seem to boot. Yikes. I've done some more > testing and it seems the old version even hangs if I add some additional > printf's above and below, which makes me believe the problem is a bit > more complex than we realize... > FWIW, this also breaks my Intel Atom 330 setup. CPU: Intel(R) Atom(TM) CPU 330 @ 1.60GHz (1606.47-MHz K8-class CPU) Origin = "GenuineIntel" Id = 0x106c2 Stepping = 2 Features=0xbfe9fbff Features2=0x40e31d> AMD Features=0x20100800 AMD Features2=0x1 r199066 boots, r199067 does not. I get a page fault: SMP: AP CPU #1 Launched! SMP: AP CPU #2 Launched! SMP: AP CPU #3 Launched! Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x288 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff802b014e stack pointer = 0x28:0xffffffff8083db30 frame pointer = 0x28:0xffffffff8083db50 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (swapper) You can have a look at the backtrace here: http://smeets.im/~flo/panic_20091109.jpg I also tried r199215, it does not help. The back trace looks almost the same (http://smeets.im/~flo/panic_20091112.JPG) I can try the proposed patches tonight if it helps. Cheers, Florian