From owner-freebsd-current@freebsd.org Wed Apr 4 16:23:36 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 914F5F9AA33 for ; Wed, 4 Apr 2018 16:23:36 +0000 (UTC) (envelope-from byond.lenox@gmail.com) Received: from mail-wm0-f49.google.com (mail-wm0-f49.google.com [74.125.82.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 15F3A83E7C; Wed, 4 Apr 2018 16:23:35 +0000 (UTC) (envelope-from byond.lenox@gmail.com) Received: by mail-wm0-f49.google.com with SMTP id r131so44083349wmb.2; Wed, 04 Apr 2018 09:23:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=tXRi+KyQXeJnQqZgexrNdAPpMYhbhAhG4+YWqWs8dtY=; b=p6Ib7pRxf6uhhY9HSXr5X0XRmOzCUBzAScw2Xg7MdROGTb5Paq87bpR4YqkRqdfVXE E5GVyjZ6CVPnUjODgVBZsv0gqtlNHzAiVWlHyJPNDjlCK6zJxnaW8EQxhvtjOAXja2LP 6RTvh+K3AX4UT2Lxw67UXnnzY2GJbTHmGkTsyGj6Kzw0r+e/QgyyLmehj64hZBk+PC9W Fm/8SrcpRYyLKjVAnVa+zn92Aro4y3WH2UsMslj3a0JNrd5g2uIRCjoGbZl5Dkr2PA/i mCF53Y1+oV3Gg7OaoxzsfxVd5ePiL8qpORTehs9Sq7Nm9vQjYKrjaJ+UfuY98X0SwEj+ 30jA== X-Gm-Message-State: AElRT7HSiJOHBH+kTQseJjpZRx7ffjIPEu8FpDHbL35XnOowZJD4xUte BOcOh4Wr1pHW4B39JGOhWsZEVDvO X-Google-Smtp-Source: AIpwx491ZXb46CgUe5J/aWa5EVlL5XLU7EKPQCZsOqGTa/B4LRMLGLdTgk0xams1a5UbOCgugGcsAw== X-Received: by 10.80.189.193 with SMTP id z1mr20719795edh.119.1522857450149; Wed, 04 Apr 2018 08:57:30 -0700 (PDT) Received: from mail-wr0-f175.google.com (mail-wr0-f175.google.com. [209.85.128.175]) by smtp.gmail.com with ESMTPSA id m31sm3357649ede.35.2018.04.04.08.57.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 04 Apr 2018 08:57:29 -0700 (PDT) Received: by mail-wr0-f175.google.com with SMTP id u46so23541877wrc.11; Wed, 04 Apr 2018 08:57:29 -0700 (PDT) X-Received: by 2002:a19:c4c8:: with SMTP id u191-v6mr11922568lff.109.1522857449670; Wed, 04 Apr 2018 08:57:29 -0700 (PDT) MIME-Version: 1.0 Received: by 10.46.129.90 with HTTP; Wed, 4 Apr 2018 08:57:08 -0700 (PDT) In-Reply-To: References: From: Kyle Evans Date: Wed, 4 Apr 2018 10:57:08 -0500 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Call for Testing: UEFI Changes To: Kyle Evans Cc: FreeBSD Current Content-Type: text/plain; charset="UTF-8" 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: Wed, 04 Apr 2018 16:23:36 -0000 On Wed, Mar 21, 2018 at 7:45 PM, Kyle Evans wrote: > Hello! > > A number of changes have gone in recently pertaining to UEFI booting > and UEFI runtime services. The changes with the most damaging > potential are: > > We now put UEFI runtime services into virtual address mode, fixing > runtime services with U-Boot/UEFI as well as the firmware > implementation in many Lenovos. The previously observed behavior was a > kernel panic upon invocation of efibootmgr/efivar, or a kernel panic > just loading efirt.ko or compiling EFIRT into the kernel. > > Graphics mode selection is now done differently to avoid regression > caused by r327058 while still achieving the same effect. The observed > regression was that the kernel would usually end up drawing > incorrectly at the old resolution on a subset of the screen, due to > incorrect framebuffer information. > > Explicit testing of these changes, the latest of which happened in > r331326, and any feedback from this testing would be greatly > appreciated. Testing should be done with either `options EFIRT` in > your kernel config or efirt.ko loaded along with updated bootloader > bits. > > I otherwise plan to MFC commits involved with the above-mentioned > changes by sometime in the first week of April, likely no earlier than > two (2) weeks from now on April 4th. > > Thanks, > > Kyle Evans As partially promised, the non-graphics related changes have been MFC'd to stable/11 today as r332028. The graphics related changes are going to simmer longer and probably get ripped out, because we're bad at this. Thanks, Kyle Evans