From owner-freebsd-hackers@FreeBSD.ORG Fri Jun 25 14:18:09 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 43D15106566B for ; Fri, 25 Jun 2010 14:18:09 +0000 (UTC) (envelope-from seanbru@yahoo-inc.com) Received: from mrout2.yahoo.com (mrout2.yahoo.com [216.145.54.172]) by mx1.freebsd.org (Postfix) with ESMTP id 168B98FC17 for ; Fri, 25 Jun 2010 14:18:08 +0000 (UTC) Received: from [127.0.0.1] (proxy8.corp.yahoo.com [216.145.48.13]) by mrout2.yahoo.com (8.13.8/8.13.8/y.out) with ESMTP id o5PEHsSS053531 for ; Fri, 25 Jun 2010 07:17:54 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; s=serpent; d=yahoo-inc.com; c=nofws; q=dns; h=subject:from:reply-to:to:content-type:date:message-id: mime-version:x-mailer:content-transfer-encoding; b=VxHUGCUGk464gvB9R8rpHUnqKGsn9jhHA6IdjBD5WuVpgZ2CmoIMm/wIkIC5OPpt From: Sean Bruno To: freebsd-hackers Content-Type: text/plain; charset="UTF-8" Date: Fri, 25 Jun 2010 07:17:54 -0700 Message-ID: <1277475474.2411.4.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 (2.28.3-1.fc12) Content-Transfer-Encoding: 7bit Subject: What is the exected behavior with the NMI button? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: sbruno@freebsd.org List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Jun 2010 14:18:09 -0000 While trying to get a deadlock sorted out in the GPROF code, I attempted to use this fancy shmancy NMI button on my Dell server. I noted that, not unlike the goggles, it did nothing once the system was deadlocked. I noted that when the system was running normally, an NMI log message would be spewed to the console. What is supposed to happen in these two cases when we toggle the NMI button? Sean