From owner-freebsd-current@freebsd.org Wed Nov 14 12:49:17 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 7E0E71126C87; Wed, 14 Nov 2018 12:49:17 +0000 (UTC) (envelope-from kevans@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E282F751B6; Wed, 14 Nov 2018 12:49:16 +0000 (UTC) (envelope-from kevans@freebsd.org) Received: from mail-lf1-f41.google.com (mail-lf1-f41.google.com [209.85.167.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) (Authenticated sender: kevans) by smtp.freebsd.org (Postfix) with ESMTPSA id 7D6B52AB44; Wed, 14 Nov 2018 12:49:16 +0000 (UTC) (envelope-from kevans@freebsd.org) Received: by mail-lf1-f41.google.com with SMTP id p6so11419654lfc.1; Wed, 14 Nov 2018 04:49:16 -0800 (PST) X-Gm-Message-State: AGRZ1gJ9HmqFT6yOaWalKOIrL6w/EP9HKhifbInmatdYNWHMUA+DGgOt wf+ZXvbFWo35oqLn2mJx05xqzoGak7JmmZhL5wk= X-Google-Smtp-Source: AJdET5eKkyV3pX5GEsNUtAEpgyLlFmFF7qBRCn8Hu1AkHg+ow/EAcLIOIcPFvvXfQmiSt1dscU2gfmu4Yf4OhYvxqcU= X-Received: by 2002:a19:cd50:: with SMTP id d77mr951598lfg.125.1542199754869; Wed, 14 Nov 2018 04:49:14 -0800 (PST) MIME-Version: 1.0 References: <16238656.sFgvYJuXru@photon.int.bluestop.org> In-Reply-To: <16238656.sFgvYJuXru@photon.int.bluestop.org> From: Kyle Evans Date: Wed, 14 Nov 2018 06:49:03 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: UEFI GOP: screen goes blank during boot after loader is finished To: rebecca@bluestop.org Cc: freebsd-virtualization@freebsd.org, Mr Dandy , FreeBSD Current , "Rodney W. Grimes" Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: E282F751B6 X-Spamd-Result: default: False [-103.08 / 200.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ALLOW_DOMAIN_WHITELIST(-100.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[freebsd.org]; R_SPF_SOFTFAIL(0.00)[~all]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[cached: mx66.freebsd.org]; NEURAL_HAM_SHORT(-0.97)[-0.969,0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; RCVD_TLS_LAST(0.00)[] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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, 14 Nov 2018 12:49:17 -0000 On Tue, Nov 13, 2018 at 9:53 PM Rebecca Cran wrote: > > On Tuesday, 13 November 2018 18:57:25 MST Kyle Evans wrote: > > > However, because loader-land is funny in a not-ha-ha kind of way, can > > you try replacing loader.efi on your guest VM with the Forth-flavored > > version to rule that out or narrow it down, please? > > That didn't help. > As probably expected, the last output before the screen goes blank is > framebuffer information: > > /boot/kernel/kernel text=0x16776f0 data=0x1cd288+0x768b40 > syms=[0x8+0x174ca8+0x8+0x192218] > Booting... > Start @ 0xffffffff80341000 ... > EFI framebuffer information: > addr, size 0xc1000000, 0x1000000 > dimensions 800 x 600 > stride 800 > masks 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 > Good, good, so the loader <-> kernel transition would appear to be intact and information appears good at first blush. If you don't have time to dig into this, I'll try poking at it this weekend, but it looks to be either kernel problem or VNC server. Thanks, Kyle Evans