From nobody Tue Feb 14 00:48:40 2023 X-Original-To: emulation@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4PG2dY6nr9z3rHjr for ; Tue, 14 Feb 2023 00:48:49 +0000 (UTC) (envelope-from yuri@FreeBSD.org) Received: from shell1.rawbw.com (shell1.rawbw.com [198.144.192.42]) by mx1.freebsd.org (Postfix) with ESMTP id 4PG2dY0GR1z3nhm for ; Tue, 14 Feb 2023 00:48:48 +0000 (UTC) (envelope-from yuri@FreeBSD.org) Authentication-Results: mx1.freebsd.org; dkim=none; spf=softfail (mx1.freebsd.org: 198.144.192.42 is neither permitted nor denied by domain of yuri@FreeBSD.org) smtp.mailfrom=yuri@FreeBSD.org; dmarc=none Received: from [192.168.5.3] (c-73-162-96-20.hsd1.ca.comcast.net [73.162.96.20]) (authenticated bits=0) by shell1.rawbw.com (8.15.1/8.15.1) with ESMTPSA id 31E0mf5u095763 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Mon, 13 Feb 2023 16:48:42 -0800 (PST) (envelope-from yuri@FreeBSD.org) X-Authentication-Warning: shell1.rawbw.com: Host c-73-162-96-20.hsd1.ca.comcast.net [73.162.96.20] claimed to be [192.168.5.3] Message-ID: <7b5d0a78-0134-60cb-95bf-3007594d7be3@tsoft.com> Date: Mon, 13 Feb 2023 16:48:40 -0800 List-Id: Development of Emulators of other operating systems List-Archive: https://lists.freebsd.org/archives/freebsd-emulation List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-emulation@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 Content-Language: en-US To: "freebsd-emulation@freebsd.org" From: Yuri Subject: Ubuntu VM's screen is often black in VirtualBox Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [0.50 / 15.00]; VIOLATED_DIRECT_SPF(3.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; RCVD_NO_TLS_LAST(0.10)[]; MIME_GOOD(-0.10)[text/plain]; MLMMJ_DEST(0.00)[emulation@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ASN(0.00)[asn:7961, ipnet:198.144.192.0/19, country:US]; MIME_TRACE(0.00)[0:+]; TO_DN_ALL(0.00)[]; DMARC_NA(0.00)[freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[yuri]; ARC_NA(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; HAS_XAW(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[emulation@freebsd.org]; R_SPF_SOFTFAIL(0.00)[~all]; TO_DOM_EQ_FROM_DOM(0.00)[] X-Rspamd-Queue-Id: 4PG2dY0GR1z3nhm X-Spamd-Bar: / X-ThisMailContainsUnwantedMimeParts: N I observed this many times: Ubuntu VM comes up with a black screen. Sometimes resizing the window helps, and sometimes it doesn't help. Does anybody know why does this happen, or how to cure this? Thanks, Yuri