From owner-freebsd-stable@FreeBSD.ORG Sun Jul 2 14:34:00 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EAFB416A558 for ; Sun, 2 Jul 2006 14:33:59 +0000 (UTC) (envelope-from fblist@gmail.com) Received: from wx-out-0102.google.com (wx-out-0102.google.com [66.249.82.200]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5E0794439A for ; Sun, 2 Jul 2006 14:16:34 +0000 (GMT) (envelope-from fblist@gmail.com) Received: by wx-out-0102.google.com with SMTP id h30so421241wxd for ; Sun, 02 Jul 2006 07:16:33 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=mPFuNC3FRRzi65lMikaLAnaV1AhDu8m3qMbonnwpO5w4nmMDRSGFFGUyPzc61j02/rxoPCoE1J/2epePFWejRMmOHOtqrQB9yXuwR+wx5EpDUYiONgTjN+9D/DrE+51BMfDyBlqehYRJZo+aze5QXz6Oa5IX7rO8F/82iYdcKG0= Received: by 10.70.26.16 with SMTP id 16mr4030675wxz; Sun, 02 Jul 2006 07:16:33 -0700 (PDT) Received: by 10.70.129.9 with HTTP; Sun, 2 Jul 2006 07:16:33 -0700 (PDT) Message-ID: <910c4cb0607020716l7088b7ffg524604de055f5930@mail.gmail.com> Date: Sun, 2 Jul 2006 22:16:33 +0800 From: "Ren Zhen" To: "Robert Watson" In-Reply-To: <20060702115326.K67344@fledge.watson.org> MIME-Version: 1.0 References: <910c4cb0607020106teec096ah1b123753acef6f9c@mail.gmail.com> <20060702115326.K67344@fledge.watson.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-stable Subject: Re: T23 lock up after enter KDB either on 6-STABLE or 7-CURRENT 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: Sun, 02 Jul 2006 14:34:00 -0000 Thanks a lot. After I remove the kdbmux, it works fine. :) On 7/2/06, Robert Watson wrote: > > > On Sun, 2 Jul 2006, Ren Zhen wrote: > > > After I login, press Ctrl+Alt+ESC, kernel says: > > KDB: enter: manual escape to debugger > > [thread pid 16 tid 100014 ] > > Stopped at kdb_enter+0x2b: nop > > db> > > > > Then, my T23 lock up. I can only switch off the computer. > > > > But, I use "boot -d" at booting kdb will work fine. I press c it > continue. > > When "login:" displayed on the screen, I enter the KDB, it lock up > again. > > > > Both 6-STABLE and 7-CURRENT have this problem. > > > > My T23's model is 2647-4NC. Piii 1.13 256M*2 SDR. I have uninstalled one > > DIMM, but it seems to have no help to this problem. > > Try compiling out device kbdmux and see if that fixes things? There are > reported problems regarding kbdmux's interaction with the debugger. > > Robert N M Watson > Computer Laboratory > University of Cambridge > > > > > My kernel configuration file is GENERIC with following debug options: > > options KDB > > options DDB > > options GDB > > options INVARIANTS > > options INVARIANT_SUPPORT > > options WITNESS > > options WITNESS_SKIPSPIN > > _______________________________________________ > > freebsd-stable@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org > " > > >