From owner-freebsd-current@freebsd.org Wed Aug 15 13:52:41 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EE48B108561F for ; Wed, 15 Aug 2018 13:52:40 +0000 (UTC) (envelope-from freebsd@grem.de) Received: from mail.grem.de (outcast.grem.de [213.239.217.27]) by mx1.freebsd.org (Postfix) with SMTP id 495E98DE48 for ; Wed, 15 Aug 2018 13:52:39 +0000 (UTC) (envelope-from freebsd@grem.de) Received: (qmail 72107 invoked by uid 89); 15 Aug 2018 13:52:38 -0000 Received: from unknown (HELO ?192.168.250.192?) (mg@grem.de@46.244.231.99) by mail.grem.de with ESMTPA; 15 Aug 2018 13:52:38 -0000 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) Subject: Re: Fatal trap 12: page fault on Acer Chromebook 720 (peppy) From: Michael Gmelin X-Mailer: iPhone Mail (15G77) In-Reply-To: <20180815130447.GZ2340@kib.kiev.ua> Date: Wed, 15 Aug 2018 15:52:37 +0200 Cc: "freebsd-current@freebsd.org" , Matthias Apitz , jhb@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <20180603165500.361ec894@bsd64.grem.de> <20180603150423.GQ3789@kib.kiev.ua> <20180603215020.452a81d8@bsd64.grem.de> <20180603205340.GS3789@kib.kiev.ua> <20180604004632.56ca6afa@bsd64.grem.de> <20180604110654.GA2450@kib.kiev.ua> <20180604231756.2ed2adb9@bsd64.grem.de> <20180605131135.GH2450@kib.kiev.ua> <20180606010625.62632920@bsd64.grem.de> <20180815005106.69402d23@bsd64.grem.de> <20180815130447.GZ2340@kib.kiev.ua> To: Konstantin Belousov X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 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, 15 Aug 2018 13:52:41 -0000 > On 15. Aug 2018, at 15:04, Konstantin Belousov wrote= : >=20 >> On Wed, Aug 15, 2018 at 12:51:06AM +0200, Michael Gmelin wrote: >> Reviving this old thread, since I just updated to r337818 and a similar >> problem is happening again. Since the fix in r334799 (review >> https://reviews.freebsd.org/D15675) (mp_)machdep.c have been touched, >> so maybe this is related >> (https://svnweb.freebsd.org/base?view=3Drevision&revision=3D334799). >>=20 >> Please see the screenshot of the panic below: >> https://gist.github.com/grembo/78d0f2a100dd4f16775b85a118769658 >>=20 >> This is me not digging any deeper, hoping that this is something >> obvious. Please let me know if you need more input. >=20 > I do not see how recent mp_machdep.c changes could affect this. > Can you try newest kernel but old loader ? I will try (but that will take a while). Oh, also, it still boots in save mo= de/with smp disabled. -m=