From owner-freebsd-stable@FreeBSD.ORG Mon Feb 6 00:43:49 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2E548106566B; Mon, 6 Feb 2012 00:43:49 +0000 (UTC) (envelope-from julian@freebsd.org) Received: from vps1.elischer.org (vps1.elischer.org [204.109.63.16]) by mx1.freebsd.org (Postfix) with ESMTP id EFBDB8FC13; Mon, 6 Feb 2012 00:43:48 +0000 (UTC) Received: from julian-mac.elischer.org (c-67-180-24-15.hsd1.ca.comcast.net [67.180.24.15]) (authenticated bits=0) by vps1.elischer.org (8.14.4/8.14.4) with ESMTP id q160hk0S036515 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Sun, 5 Feb 2012 16:43:48 -0800 (PST) (envelope-from julian@freebsd.org) Message-ID: <4F2F2292.4000909@freebsd.org> Date: Sun, 05 Feb 2012 16:45:06 -0800 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.2.25) Gecko/20111213 Thunderbird/3.1.17 MIME-Version: 1.0 To: Andriy Gapon References: <4F2CE485.5020909@freebsd.org> <4F2E36B5.3010308@freebsd.org> <4F2E628D.8050101@FreeBSD.org> In-Reply-To: <4F2E628D.8050101@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD Stable , FreeBSD Current Subject: Re: problem with kgdb and modules. (k)gdb expert needed. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Feb 2012 00:43:49 -0000 On 2/5/12 3:05 AM, Andriy Gapon wrote: > on 05/02/2012 09:58 Julian Elischer said the following: >> In 9.x ( can't check -current, but teh mailing list has a better readership) >> >> I'm still seeing this and have still not found any solution: >> possible reasons for the change may be: >> 1/ change to kgdb? >> 2/ change to the compiling toolset? >> 3/ change to the .mk files for compiling modules? >> >> any guidance would be appreciated.. >> The reason I can get away with using FreeBSD ar work is because I can debug >> modules well >> as in Linux this is generally a problem.. Now I see similar breakage in >> freebsd. (sigh)). >> >> I really don't know where to start looking for this.. > Julian, > > just in case, how about some basic stuff like checking that the modules are > indeed built with debugging support, that .symbols are installed and are > accessible, that kgdb produces those messages: "Reading symbols", "Loaded symbols". > it seems to have been some timing issue. the scripts that ran in 8.x fail to load the symbols in 9.x but if I do the commands again by hand, it does load them.. so it seems to be a false alarm