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[54.37.74.56]) by smtp.gmail.com with ESMTPSA id g105sm381445wrd.45.2018.04.17.08.17.09 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 17 Apr 2018 08:17:10 -0700 (PDT) Date: Tue, 17 Apr 2018 11:17:01 -0400 From: Shawn Webb To: Beeblebrox Cc: freebsd-current@freebsd.org Subject: Re: snapshot of april 12th wont boot at all Message-ID: <20180417151701.gxwj4b2oh3eisd73@mutt-hbsd> References: <20180417104700.4d6110b9@rsbsd.rsb.ber> <20180417145040.w4cqluxeozg2nubw@mutt-hbsd> <20180417111342.287459ed@rsbsd.rsb.ber> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="d3dz2w744qjavxwr" Content-Disposition: inline In-Reply-To: <20180417111342.287459ed@rsbsd.rsb.ber> X-Operating-System: FreeBSD mutt-hbsd 12.0-CURRENT FreeBSD 12.0-CURRENT X-PGP-Key: http://pgp.mit.edu/pks/lookup?op=vindex&search=0x6A84658F52456EEE User-Agent: NeoMutt/20171215 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: Tue, 17 Apr 2018 15:17:13 -0000 --d3dz2w744qjavxwr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 17, 2018 at 11:13:51AM -0400, Beeblebrox wrote: > Hey Shawn, >=20 > > What happens when you set vm.pmap.pti=3D0 at the loader prompt? > Yep, that fixed it. Booted into MYKERN without problem. > Assuming Page Table Isolation still a bit buggy? >=20 > FreeBSD 12.0-CURRENT #3 5b8586c22aa(hardened/current/master): > Tue Apr 17 08:11:53 EDT 2018 HardenedBSD enables PTI regardless of underlying CPU by default. We've found that some older AMD CPUs have issues with PTI as currently implemented. Thanks, --=20 Shawn Webb Cofounder and Security Engineer HardenedBSD Tor-ified Signal: +1 443-546-8752 Tor+XMPP+OTR: lattera@is.a.hacker.sx GPG Key ID: 0x6A84658F52456EEE GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89 3D9E 6A84 658F 5245 6EEE --d3dz2w744qjavxwr Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEKrq2ve9q9Ia+iT2eaoRlj1JFbu4FAlrWD+kACgkQaoRlj1JF bu6ywQ//Tzyo8cLBOn+lCkRHeQuAQ/yxjYFqVximbZp3ShzdKLcI+mz9UPN04Fyv 9ZKdHa7hZxAQnl1KUJqsMR+uSuA8pVhQgCqIMcYH0N3zkbBDTUdgGczKPaKNnaJZ sKFx+BJ7dlpS388JMb5HGsmYQeQC98qHsP2RoSi/aq2TQdNIupApSr8rFbTSh8TY uCGu3DnfZ8qU+asD9vHpay+fQw9DWHBXdYdXMqZcpIWIBpoZFZN/K5S73gsJBaTd kyNKLMBWkcJi9DhvwDO2uhBHQ3wkjVSdkQGGatveTcp+aNT/1gVAY0gs+VMvR4C6 0TpFWgmD2Dc9u0Arhd497kMSie74XNg8jwYwXOmgizHfi2xVnUzvRIdv1nhzIC4V P1cCf6kXofDScp4WhmV+VfBPD//raQi5tPcQbSbc8py8fY+IE6bcOywoOTgVytZW HwclsiNW6hE9SQpcqiTZOpd6kL6Y6KK+Pdv2Dfmpq4qk9cLbVA/4sj8g7c0il0KM faOJwBYwDocBzlwnXdlypOI/hz1ZvPAjN2dpjS4Ej+PEAA5dXgD1tXhR6fCRl9Qq 6UQQxKqCXUnvkqWbtemxL5aFOQs6SWB9LL0jXxnTfMhSJDO/7jh/3snohBZmTb65 kA/MmIRE6DS3VAiIn/uoNs4PLONuh4tpb8yyDyt14Omy5uHlYW8= =ITQj -----END PGP SIGNATURE----- --d3dz2w744qjavxwr--