From owner-freebsd-current@FreeBSD.ORG Fri Nov 7 15:49:57 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2DF8016A4CE for ; Fri, 7 Nov 2003 15:49:57 -0800 (PST) Received: from mail.speakeasy.net (mail8.speakeasy.net [216.254.0.208]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5B36143FAF for ; Fri, 7 Nov 2003 15:49:56 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 11884 invoked from network); 7 Nov 2003 23:49:54 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender )encrypted SMTP for ; 7 Nov 2003 23:49:54 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.9/8.12.9) with ESMTP id hA7NnLce096924; Fri, 7 Nov 2003 18:49:24 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.4 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <3FAC263C.6090401@liwing.de> Date: Fri, 07 Nov 2003 18:49:21 -0500 (EST) From: John Baldwin To: Jens Rehsack X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) cc: Lars Eggert cc: current@freebsd.org Subject: Re: New interrupt code slows hyperthreading down X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Fri, 07 Nov 2003 23:49:57 -0000 On 07-Nov-2003 Jens Rehsack wrote: > John Baldwin wrote: >> On 07-Nov-2003 Jens Rehsack wrote: >> >>>Lars Eggert wrote: >>> >>>>John Baldwin wrote: >>>> >>>> >>>>>On 07-Nov-2003 Lars Eggert wrote: > >>>>>>This looks similar to what I described in the "fwohci0 running wild" >>>>>>thread. In both cases, irq16 seems to cause the problem... >>>>> >>>>> >>>>>Really. Does this only happen with ACPI enabled? >>>> >>>>Don't know about "only", since I have never booted this machine without >>>>ACPI. I'll test next time I'm rebooting. >>> >>>Don't do it. I do it for testing a few minutes ago - and it >>>prevents irq 16 from storming. But it does because the machine >>>hangs at boot with: >>>isa_probe_children: probing PnP devices >>> >>>I let it probe for about 10 minutes (you'll never know :-)), >>>but it wont do. >> >> Grrr, ok. Can you try the patch at >> http://www.FreeBSD.org/~jhb/patches/io_apic.patch and nab a boot -v >> dmesg with ACPI enabled? Thanks. > > Attached. Or shall I upload it to a web-server, too? Thanks, IRQ 16 was programmed as level, activelo, so it wasn't an off by one error there. Grr. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/