From owner-freebsd-current@FreeBSD.ORG Thu Jul 7 01:01:16 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org 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 3E41F16A41C for ; Thu, 7 Jul 2005 01:01:16 +0000 (GMT) (envelope-from wilkinsa@squash.dsto.defence.gov.au) Received: from digger1.defence.gov.au (digger1.defence.gov.au [203.5.217.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8C5C343D45 for ; Thu, 7 Jul 2005 01:01:14 +0000 (GMT) (envelope-from wilkinsa@squash.dsto.defence.gov.au) Received: from ednmsw501.dsto.defence.gov.au (ednmsw501.dsto.defence.gov.au [131.185.2.150]) by digger1.defence.gov.au with ESMTP id j670xP3w008410 for ; Thu, 7 Jul 2005 10:29:25 +0930 (CST) Received: from muttley.dsto.defence.gov.au (unverified) by ednmsw501.dsto.defence.gov.au (Content Technologies SMTPRS 4.3.17) with ESMTP id ; Thu, 7 Jul 2005 10:31:07 +0930 Received: from ednex501.dsto.defence.gov.au (ednex501.dsto.defence.gov.au [131.185.2.81]) by muttley.dsto.defence.gov.au (8.11.3/8.11.3) with ESMTP id j670pe018195; Thu, 7 Jul 2005 10:21:40 +0930 (CST) Received: from squash.dsto.defence.gov.au ([131.185.40.212]) by ednex501.dsto.defence.gov.au with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id N8MYNNM4; Thu, 7 Jul 2005 10:21:39 +0930 Received: from squash.dsto.defence.gov.au (localhost [127.0.0.1]) by squash.dsto.defence.gov.au (8.13.3/8.13.3) with ESMTP id j670pvOT007409; Thu, 7 Jul 2005 10:21:57 +0930 (CST) (envelope-from wilkinsa@squash.dsto.defence.gov.au) Received: (from wilkinsa@localhost) by squash.dsto.defence.gov.au (8.13.3/8.13.3/Submit) id j670pudl007408; Thu, 7 Jul 2005 10:21:56 +0930 (CST) (envelope-from wilkinsa) Date: Thu, 7 Jul 2005 10:21:56 +0930 From: "Wilkinson, Alex" To: Scott Long Message-ID: <20050707005155.GC7289@squash.dsto.defence.gov.au> References: <42C6DA5F.9070303@gneto.com> <6.2.1.2.0.20050703212843.07889088@64.7.153.2> <20050705011650.R80892@lexi.siliconlandmark.com> <70e8236f050706002655cd9a0c@mail.gmail.com> <42CBE7F4.9040106@samsco.org> <83fb4207210a3f028b8ee2d2289573c4@xcllnt.net> <42CBFC36.1040406@samsco.org> <6.2.1.2.0.20050706115146.07a59d08@64.7.153.2> <6.2.1.2.0.20050706115824.07a58588@64.7.153.2> <42CC1085.6090504@samsco.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <42CC1085.6090504@samsco.org> User-Agent: Mutt/1.5.9i Cc: freebsd-current@freebsd.org, Mike Tancsa Subject: Re: 6.0-CURRENT SNAP004 hangs on amr (long) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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, 07 Jul 2005 01:01:16 -0000 0n Wed, Jul 06, 2005 at 11:10:29AM -0600, Scott Long wrote: >I wonder if the AMR interrupt is getting routed to the ata interrupt >pins. With the ata driver enabled, the OS gets stuck in an infinite >loop of trying to service what it thinks in an ata interrupt. With >the ata driver disabled, the ata interrupt lines stay disabled and the >OS sees nothing. Would it be possible to send an NMI to the machine >while it's hung with the ata driver enabled? If not, we can probably >drop some simple printf into the ata interrupt handler. Curious, how does one send a Non-Maskable-Interupt in FreeBSD ? -aW