From owner-cvs-all@FreeBSD.ORG Thu Nov 15 22:26:44 2007 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9140716A46C; Thu, 15 Nov 2007 22:26:44 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail6.speedfactory.net [66.23.216.219]) by mx1.freebsd.org (Postfix) with ESMTP id 0B27F13C44B; Thu, 15 Nov 2007 22:26:43 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.8p) with ESMTP id 219540313-1834499 for multiple; Thu, 15 Nov 2007 17:27:32 -0500 Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.8/8.13.8) with ESMTP id lAFMQYVO085685; Thu, 15 Nov 2007 17:26:34 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: src-committers@freebsd.org Date: Thu, 15 Nov 2007 17:08:23 -0500 User-Agent: KMail/1.9.6 References: <200711152200.lAFM0xCF018460@repoman.freebsd.org> In-Reply-To: <200711152200.lAFM0xCF018460@repoman.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200711151708.23974.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Thu, 15 Nov 2007 17:26:35 -0500 (EST) X-Virus-Scanned: ClamAV 0.91.2/4806/Thu Nov 15 14:47:22 2007 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: cvs-src@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/amd64/amd64 db_trace.c exception.S machdep.c trap.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Nov 2007 22:26:44 -0000 On Thursday 15 November 2007 05:00:57 pm John Baldwin wrote: > jhb 2007-11-15 22:00:57 UTC > > FreeBSD src repository > > Modified files: > sys/amd64/amd64 db_trace.c exception.S machdep.c trap.c > Log: > Add support for cross double fault frames in stack traces: > - Populate the register values for the trapframe put on the stack by the > double fault handler. > - Teach DDB's trace routine to treat a double fault like other trap frames. > > MFC after: 3 days As an aside, because amd64 uses much saner stack frames than i386, kgdb will trace across a double fault just fine w/o any further patches if the kernel has this fix. -- John Baldwin