Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 27 Nov 2016 12:46:31 +0100
From:      "O. Hartmann" <o.hartmann@walstatt.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        current@freebsd.org
Subject:   Re: Please test EARLY_AP_STARTUP
Message-ID:  <20161127124631.1e4f1fb0@thor.walstatt.dynvpn.de>
In-Reply-To: <7005233.xZtqgRZ2t6@ralph.baldwin.cx>
References:  <7005233.xZtqgRZ2t6@ralph.baldwin.cx>

next in thread | previous in thread | raw e-mail | index | archive | help
--Sig_/eIRlBuYrefrJmtsNWEQCL9q
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Am Fri, 25 Nov 2016 10:20:36 -0800
John Baldwin <jhb@freebsd.org> schrieb:

> I plan to enable EARLY_AP_STARTUP on x86 in a week on HEAD.  Some folks
> have been testing it for the last week or so which has exposed some=20
> additional things to fix.  I think I've resolved most of those in one
> way or another, but it will make things smoother if other folks can
> start testing this over the next few days before it is enabled by default.
>=20
> (To enable, add 'options EARLY_AP_STARTUP' to your kernel config.)
>=20
> Note that non-x86 platforms should eventually adopt this, but I don't
> think any of them are ready yet.
>=20

I tried. I use three boxes, all running most recent CURRENT. Only one box d=
oes work and
boot with the option mentioned above in the kernel. The other two don't, th=
ey stop at
printing something about HPET timer initialisation and stop - forever.

I did not digg deeper into it, but there is something strange:

Both failing boxes have CPUs with two cores, four threads. One is a noteboo=
k with an
Haswell 4200M, the other is a i3-3220.

The i3-3220 box has a motherboard ASROCK Z77-Pro4 (UEFI on this crap is not=
 working), 8
GB RAM (2x 4GB), lates firmware from 2013.=20

The working box has an ASROCK Z77-Pro4 M (mini ATX size mobo), 16 GB RAM (2=
x 8GB), but a
4 core/8 thread XEON IvyBridge E3-1245 V2. The firmare is the latest, from =
2013. The box
is running well with the option EARLY_AP_STARTUP set.=20

At a first glance it looks like the failure is dependend on the CPU count ;=
-) I have also
a small PCengine APU 2C4, AMD Jaguar CPU with 4 core/4 threads which is abo=
ut to be tested
also with the most recent CURRENT and the option in question set - but it t=
akes time.

Just for the record, my apologizes if someone feels disturbed from naive ob=
servations.

Kind regards,

oh

--=20
O. Hartmann

Ich widerspreche der Nutzung oder =C3=9Cbermittlung meiner Daten f=C3=BCr
Werbezwecke oder f=C3=BCr die Markt- oder Meinungsforschung (=C2=A7 28 Abs.=
 4 BDSG).

--Sig_/eIRlBuYrefrJmtsNWEQCL9q
Content-Type: application/pgp-signature
Content-Description: OpenPGP digital signature

-----BEGIN PGP SIGNATURE-----

iLUEARMKAB0WIQQZVZMzAtwC2T/86TrS528fyFhYlAUCWDrHlwAKCRDS528fyFhY
lHj1Af4r9LX/SFMfm2WcXtn/KbOX5icSgwJHrR2u4796ydR47OcjNtRRlgkLZQMn
yDgtAKPyUlgysqfCd+aHM18ZywmsAf94P2FLh7T4pRPaC90mGEQ649dzD7noSuC+
ocEdFx9xrO8Kt7HKO/Tu+wheUtS5jMvs23tYVXtHMBaZU7O6cSEq
=hvnj
-----END PGP SIGNATURE-----

--Sig_/eIRlBuYrefrJmtsNWEQCL9q--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20161127124631.1e4f1fb0>