From owner-freebsd-current@FreeBSD.ORG Sat Oct 3 13:24:15 2009 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E90721065679 for ; Sat, 3 Oct 2009 13:24:15 +0000 (UTC) (envelope-from gavin@FreeBSD.org) Received: from mail-gw2.york.ac.uk (mail-gw2.york.ac.uk [144.32.128.247]) by mx1.freebsd.org (Postfix) with ESMTP id 6695A8FC08 for ; Sat, 3 Oct 2009 13:24:15 +0000 (UTC) Received: from mail-gw7.york.ac.uk (mail-gw7.york.ac.uk [144.32.129.30]) by mail-gw2.york.ac.uk (8.13.6/8.13.6) with ESMTP id n93DOB2h029221; Sat, 3 Oct 2009 14:24:11 +0100 (BST) Received: from ury.york.ac.uk ([144.32.108.81]) by mail-gw7.york.ac.uk with esmtps (TLSv1:AES256-SHA:256) (Exim 4.68) (envelope-from ) id 1Mu4ap-0004ss-OB; Sat, 03 Oct 2009 14:24:11 +0100 Received: from ury.york.ac.uk (localhost.york.ac.uk [127.0.0.1]) by ury.york.ac.uk (8.14.3/8.14.3) with ESMTP id n93DOBts038868; Sat, 3 Oct 2009 14:24:11 +0100 (BST) (envelope-from gavin@FreeBSD.org) Received: from localhost (gavin@localhost) by ury.york.ac.uk (8.14.3/8.14.3/Submit) with ESMTP id n93DOBtB038863; Sat, 3 Oct 2009 14:24:11 +0100 (BST) (envelope-from gavin@FreeBSD.org) X-Authentication-Warning: ury.york.ac.uk: gavin owned process doing -bs Date: Sat, 3 Oct 2009 14:24:11 +0100 (BST) From: Gavin Atkinson X-X-Sender: gavin@ury.york.ac.uk To: Ted Faber In-Reply-To: <20091002213116.GH88191@zod.isi.edu> Message-ID: <20091003142303.L14313@ury.york.ac.uk> References: <20090929041407.GA92280@zod.isi.edu> <20091002213116.GH88191@zod.isi.edu> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="0-1241037591-1254576251=:14313" X-York-MailScanner: Found to be clean X-York-MailScanner-From: gavin@freebsd.org Cc: freebsd-current@FreeBSD.org Subject: Re: FreeBSD8-RELENG (sources from this morning) deadlock 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: Sat, 03 Oct 2009 13:24:16 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --0-1241037591-1254576251=:14313 Content-Type: TEXT/PLAIN; charset=X-UNKNOWN; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Fri, 2 Oct 2009, Ted Faber wrote: > On Mon, Sep 28, 2009 at 09:14:07PM -0700, Ted Faber wrote: >> I've been havinhard time getting this motherboard to work under FreeBSD >> 8.0. It comes up fairly fine (though I didn't get the PATA disk >> identified under 7-STABLE so it may also be shaky under 8), but after >> between 3 and 10 minutes of running multi user it locks up hard, and >> wont respond to input at all. No keyboard response, couldn't get into a >> kernel debugger, nothing. I couldn't get a kernel dump for that reason. > > I'm still deadlocked, but trying to get more info. I tried a firewire > debugging session using dcons, but that failed for reasons unclear. > dconschat seems to do the right thing: > > --- > musicbox:~$ sudo dconschat -v =E2=80=90br =E2=80=90G 12345 =E2=80=90t 00-= 00-4c-01-00-00-3b-c7 > dconschat: kvm_nlist: No such file or directory > dcons_buf: 0xc0d74740 > port 0 size offset gen pos > output: 9184 56 1 1550 > input : 3062 9240 0 106 > port 1 size offset gen pos > output: 3061 12302 0 0 > input : 1021 15363 0 0 > [dcons connected] > (1)(1)(1)(1)(1) > --- > > But the gdb fails to connect: > > ---- > musicbox:~$ kgdb kernel > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you = are > welcome to change it and/or distribute copies of it under certain conditi= ons. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for detail= s. > This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols = found)... > (kgdb) target remote :12345 > :12345: Connection refused. > ---- Do you have options GDB/DDB/KDB in your kernel? Gavin --0-1241037591-1254576251=:14313--