From owner-freebsd-current@FreeBSD.ORG Wed Apr 3 17:03:17 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 53D94767 for ; Wed, 3 Apr 2013 17:03:17 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id D705B90 for ; Wed, 3 Apr 2013 17:03:16 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.6/8.14.6) with ESMTP id r33H3CMi073525; Wed, 3 Apr 2013 20:03:12 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.8.2 kib.kiev.ua r33H3CMi073525 Received: (from kostik@localhost) by tom.home (8.14.6/8.14.6/Submit) id r33H3C33073524; Wed, 3 Apr 2013 20:03:12 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Wed, 3 Apr 2013 20:03:12 +0300 From: Konstantin Belousov To: mh@kernel32.de Subject: Re: panic at serial boot Message-ID: <20130403170312.GB3794@kib.kiev.ua> References: <515289AC.3050204@FreeBSD.org> <936608f069b988fcd58707edb9b4dde0@kernel32.de> <20130327133220.GZ3794@kib.kiev.ua> <24096f01453ab9d0fe898522874cd928@kernel32.de> <941a3c1e7cb49087c8bf941399b1e5ae@kernel32.de> <20130402195223.GU3794@kib.kiev.ua> <80b2deb3359ca04fb784334d60719860@kernel32.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ZuTDfskvPTkvx6xU" Content-Disposition: inline In-Reply-To: <80b2deb3359ca04fb784334d60719860@kernel32.de> User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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: Wed, 03 Apr 2013 17:03:17 -0000 --ZuTDfskvPTkvx6xU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 02, 2013 at 11:06:06PM +0200, mh@kernel32.de wrote: > Hi again, >=20 > Am 2013-04-02 21:52, schrieb Konstantin Belousov: > > On Tue, Apr 02, 2013 at 08:23:20PM +0200, mh@kernel32.de wrote: > > > > Try breaking into the debugger and see where it progresses. To do=20 > > this, > > you would need to boot with the 'boot -d' command from the loader=20 > > prompt, > > then do 'w kbd_break_to_debugger 1', then ctrl-alt-esc when you want=20 > > to > > activate the debugger. In the debugger, start with the 'ps' command. > > >=20 > After the beastie menu I went to the loader prompt and did "boot -d". > I was sent to the debugger and did "w kbd_break_to_debugger 1". >=20 > This is the output I get. >=20 > INT 13 08: Success, count =3D 1, BPT =3D 0000:0000 = =20 > GDB: no debug ports present > KDB: debugger backends: ddbhift limit: 0x82 > KDB: current backend: ddbt15 =3D f000f859 int1e =3D f000ef6d > KDB: enter: Boot flags requested debuggerint1e =3D f000ef6d > [ thread pid 0 tid 0 ] booting... > Stopped at kdb_enter+0x3e: movq $0,kdb_why > db> w kbd_break_to_debugger 1 > Symbol not found It is kdb_break_to debugger. Sorry. --ZuTDfskvPTkvx6xU Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQIcBAEBAgAGBQJRXGDPAAoJEJDCuSvBvK1BvpUQAJ53wAoPzF8CWYK3OID0U8ux rXY7wWwHGo9aJD3F6nC06Qc8ZbXKtFxJF5av7vdHXsXHF3nPIhXZYXFvIc3nHuuL +qn58hkWst/ewBGt3c2X9ZoL6bbDPdcK2g4csLuUlA/L8Dsjdf+3IYZhSx/t3NAV YKE7fHxmyeA9s23ZyosdHdf+gQ+GBWmsqt6v47WSb5HgkvJbsAm4fk4gqLePWEdX BKN6nmSj4UvD1V7li+dF4oaZm214doXIqgs8JpiG2hwvNOafB1nXUlLR98Fh8TjN CggKT8FR0duOP18ogqdtSqX28SRZHm9lLJ6vj125+ApyqGldPPGgtvq8WnK/kuhM w7GUi3NzcyhifApD7YfjKb0ctTAs+gSv+Yf+zL2VIYmn9GcsAz9g0EPJIjJ2dm6T duOmEyDyOMzKGEpHmt2IZBVJQB5pfjhKmqFIDDnSgr7ut1fRqVuWkhT1n2Y7LLc1 a4RxlhduqU5FENkFkhF3j+qUAu1rE6RbuYUnsl1BywvvROBroo92XXZdEeuEXih2 c8FXVqWX42+upkTHh+aLuJtnM0HncuTqjYJ+zznrr5bQ+PdNg24fN9zoHBanEgJE DGUKZuYhAYNCksYAzknVJkb5j4GQbrBv361p7D5Udkc3YPM9qkR04zDNE5r8yPD9 C5dNsJPW/t/qVIgUY1Eq =GlEe -----END PGP SIGNATURE----- --ZuTDfskvPTkvx6xU--