From owner-freebsd-current@freebsd.org Tue Feb 21 18:55:13 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 16CDFCE7640; Tue, 21 Feb 2017 18:55:13 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id F0E9DAAC; Tue, 21 Feb 2017 18:55:12 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.15.2/8.15.2) with ESMTPS id v1LItBgq098130 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 21 Feb 2017 10:55:11 -0800 (PST) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.15.2/8.15.2/Submit) id v1LItBw5098129; Tue, 21 Feb 2017 10:55:11 -0800 (PST) (envelope-from sgk) Date: Tue, 21 Feb 2017 10:55:11 -0800 From: Steve Kargl To: Mateusz Guzik , freebsd-current@freebsd.org, freebsd-hackers@freebsd.org Subject: Re: drm2, i915kms cause instant lock-up Message-ID: <20170221185511.GA98080@troutmask.apl.washington.edu> Reply-To: sgk@troutmask.apl.washington.edu References: <20170220235224.GA91194@troutmask.apl.washington.edu> <20170220235807.GC26759@dft-labs.eu> <20170221004340.GA91587@troutmask.apl.washington.edu> <20170221005030.GD26759@dft-labs.eu> <20170221052658.GA93413@troutmask.apl.washington.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170221052658.GA93413@troutmask.apl.washington.edu> User-Agent: Mutt/1.7.2 (2016-11-26) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 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, 21 Feb 2017 18:55:13 -0000 On Mon, Feb 20, 2017 at 09:26:58PM -0800, Steve Kargl wrote: > > Well, the good news seems to be that r313254 and older are 'ok'. > So, something between r313943 and r313254 is triggering a the > problem. I'm still bisecting, but it might take a day or two. > I've been able to narrow the range down to r313854 to r313943. If I had to guess, the issue may be related to Author: kib Date: Fri Feb 17 21:08:32 2017 New Revision: 313898 URL: https://svnweb.freebsd.org/changeset/base/313898 Log: Merge i386 and amd64 mtrr drivers. I won't be able to investigate until later tonight (~ 10 hours from now). -- Steve 20161221 https://www.youtube.com/watch?v=IbCHE-hONow