From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <t.lamprecht@proxmox.com> Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 8650961E78 for <pve-devel@lists.proxmox.com>; Wed, 19 Aug 2020 19:35:27 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 7795027783 for <pve-devel@lists.proxmox.com>; Wed, 19 Aug 2020 19:35:27 +0200 (CEST) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [212.186.127.180]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id 9FEA827773 for <pve-devel@lists.proxmox.com>; Wed, 19 Aug 2020 19:35:25 +0200 (CEST) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 6DD7F403D0 for <pve-devel@lists.proxmox.com>; Wed, 19 Aug 2020 19:35:25 +0200 (CEST) To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>, Aaron Lauterer <a.lauterer@proxmox.com> References: <20200727135525.18622-1-a.lauterer@proxmox.com> From: Thomas Lamprecht <t.lamprecht@proxmox.com> Message-ID: <676fd816-8d1e-59bd-58fe-01d55a69ffb3@proxmox.com> Date: Wed, 19 Aug 2020 19:35:23 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:80.0) Gecko/20100101 Thunderbird/80.0 MIME-Version: 1.0 In-Reply-To: <20200727135525.18622-1-a.lauterer@proxmox.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-SPAM-LEVEL: Spam detection results: 0 AWL -0.061 Adjusted score from AWL reputation of From: address KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment RCVD_IN_DNSWL_MED -2.3 Sender listed at https://www.dnswl.org/, medium trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record URIBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [nongnu.org, qemuserver.pm] Subject: [pve-devel] applied: [PATCH qemu-server] cfg2cmd: vga: fix #2749: disable edid for Win+BIOS+VGA machines X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion <pve-devel.lists.proxmox.com> List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pve-devel>, <mailto:pve-devel-request@lists.proxmox.com?subject=unsubscribe> List-Archive: <http://lists.proxmox.com/pipermail/pve-devel/> List-Post: <mailto:pve-devel@lists.proxmox.com> List-Help: <mailto:pve-devel-request@lists.proxmox.com?subject=help> List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel>, <mailto:pve-devel-request@lists.proxmox.com?subject=subscribe> X-List-Received-Date: Wed, 19 Aug 2020 17:35:27 -0000 On 27.07.20 15:55, Aaron Lauterer wrote: > Edid support was added with Qemu 5. Windows guests seem to not be able > to get all possible resolutions if the default std VGA device is used as > GPU and the VM boots in BIOS mode. The result is that only one of the > following three resolutions can be configured: > > 800x600 > 1024x768 > 1920x1080 > > It is important to note that just booting a Windows VM with the edid=off > parameter will not make the large list of resolutions available. It > seems that Windows is caching the list of possible resolutions > somewhere [0]. > > Uninstalling the 'Microsoft Basic Display Adapter' in the device manager > and rebooting the VM is one way I found to force Windows to recreate the > list of possible resolutions. > > Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com> > > [0] https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg07128.html > --- > > I did test live migration in both directions and it does seem to work. > Would be great if someone else could verify this as well. Not having to > version guard this would be nice. > > PVE/QemuServer.pm | 7 ++++++- > test/cfg2cmd/custom-cpu-model-host-phys-bits.conf.cmd | 2 +- > test/cfg2cmd/custom-cpu-model.conf.cmd | 2 +- > 3 files changed, 8 insertions(+), 3 deletions(-) > > applied, thanks! Tested a bit around with migrations and changing screen resolutions and such in-between, worked so far OK.