From owner-freebsd-current@freebsd.org Sun Dec 24 14:17:09 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 51165E91672 for ; Sun, 24 Dec 2017 14:17:09 +0000 (UTC) (envelope-from dimitry@andric.com) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 3880F7C1BC for ; Sun, 24 Dec 2017 14:17:09 +0000 (UTC) (envelope-from dimitry@andric.com) Received: by mailman.ysv.freebsd.org (Postfix) id 34B01E91671; Sun, 24 Dec 2017 14:17:09 +0000 (UTC) Delivered-To: current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 34384E91670 for ; Sun, 24 Dec 2017 14:17:09 +0000 (UTC) (envelope-from dimitry@andric.com) Received: from tensor.andric.com (tensor.andric.com [87.251.56.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "tensor.andric.com", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EAA7B7C1BB for ; Sun, 24 Dec 2017 14:17:08 +0000 (UTC) (envelope-from dimitry@andric.com) Received: from coleburn.home.andric.com (coleburn.home.andric.com [192.168.0.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tensor.andric.com (Postfix) with ESMTPSA id 5AA4E10C04; Sun, 24 Dec 2017 15:17:00 +0100 (CET) From: Dimitry Andric Message-Id: Content-Type: multipart/signed; boundary="Apple-Mail=_6A706B5A-3D91-4423-817B-719E0E1EC4D5"; protocol="application/pgp-signature"; micalg=pgp-sha1 Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: Panic @ orm_identify+0x308 (kernel probes) after r327103 -> r327140 Date: Sun, 24 Dec 2017 15:16:59 +0100 In-Reply-To: <20171224132710.GN1555@albert.catwhisker.org> Cc: current , Warner Losh To: David Wolfskill References: <20171224132710.GN1555@albert.catwhisker.org> X-Mailer: Apple Mail (2.3273) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 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: Sun, 24 Dec 2017 14:17:09 -0000 --Apple-Mail=_6A706B5A-3D91-4423-817B-719E0E1EC4D5 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 24 Dec 2017, at 14:27, David Wolfskill wrote: >=20 > Had this on the laptop; fotunately, also got it on the build machine = (as > it's a lot easier to work with the serial console of the latter for > this -- and it runs a GENERIC kernel): ... > Fatal trap 9: general protection fault while in kernel mode > cpuid =3D 2; apic id =3D 02 > instruction pointer =3D 0x20:0xffffffff81066968 > stack pointer =3D 0x28:0xffffffff82286a90 > frame pointer =3D 0x28:0xffffffff82286ad0 > code segment =3D base 0x0, limit 0xfffff, type 0x1b > =3D DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags =3D interrupt enabled, resume, IOPL =3D 0 > current process =3D 0 (swapper) > [ thread pid 0 tid 100000 ] > Stopped at orm_identify+0x308: movq (%r14),%rax > db> bt > Tracing pid 0 tid 100000 td 0xffffffff81e94340 > orm_identify() at orm_identify+0x308/frame 0xffffffff82286ad0 > bus_generic_probe() at bus_generic_probe+0x74/frame 0xffffffff82286b00 > isa_probe_children() at isa_probe_children+0x19/frame = 0xffffffff82286b50 > mi_startup() at mi_startup+0x9c/frame 0xffffffff82286b70 > btext() at btext+0x2c Since there is "isa" in the backtrace, I would consider r327120 ("Warn when nonPNP ISA devices are attached in GENERIC that they are being removed from GENERIC in 12") by Warner suspect... Specifically, this change: = https://svnweb.freebsd.org/base/head/sys/x86/isa/orm.c?r1=3D327120&r2=3D32= 7119&pathrev=3D327120 -Dimitry --Apple-Mail=_6A706B5A-3D91-4423-817B-719E0E1EC4D5 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.2 iF0EARECAB0WIQR6tGLSzjX8bUI5T82wXqMKLiCWowUCWj+22wAKCRCwXqMKLiCW o4THAKDf4FGaImqP9nh+YpO1NHyPJTyixwCaA7yLv3QulxUJeMmpHTHJPnDA0DU= =sUyi -----END PGP SIGNATURE----- --Apple-Mail=_6A706B5A-3D91-4423-817B-719E0E1EC4D5--