From nobody Fri Nov 26 16:10:59 2021 X-Original-To: freebsd-hackers@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 54DA318C1619 for ; Fri, 26 Nov 2021 16:11:15 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [IPv6:2a01:4f8:c2c:26d8::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4J109G0pSZz3qGX for ; Fri, 26 Nov 2021 16:11:14 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221] (may be forged)) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id 1AQGBAYq051459 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Nov 2021 16:11:11 GMT (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: manu@bidouilliste.com Received: from [10.58.0.10] (dadvw [10.58.0.10]) by eg.sd.rdtc.ru (8.16.1/8.16.1) with ESMTPS id 1AQGBAUr068914 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 26 Nov 2021 23:11:10 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: Reasons for keeping sc(4) and libvgl ? To: Emmanuel Vadot , freebsd-hackers@freebsd.org References: <20211126160454.3eb827365a02103169ab9adc@bidouilliste.com> <5b9baa6a-66ee-549d-a3e9-f6ea4e6e5016@grosbein.net> From: Eugene Grosbein Message-ID: Date: Fri, 26 Nov 2021 23:10:59 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 In-Reply-To: <5b9baa6a-66ee-549d-a3e9-f6ea4e6e5016@grosbein.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT autolearn=disabled version=3.4.2 X-Spam-Report: * -0.0 SHORTCIRCUIT No description available. * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on hz.grosbein.net X-Rspamd-Queue-Id: 4J109G0pSZz3qGX X-Spamd-Bar: + Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=fail (mx1.freebsd.org: domain of eugen@grosbein.net does not designate 2a01:4f8:c2c:26d8::2 as permitted sender) smtp.mailfrom=eugen@grosbein.net X-Spamd-Result: default: False [1.99 / 15.00]; MID_RHS_MATCH_FROM(0.00)[]; R_SPF_FAIL(1.00)[-all]; FREEFALL_USER(0.00)[eugen]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[grosbein.net]; NEURAL_SPAM_MEDIUM(0.09)[0.091]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_SPAM_LONG(1.00)[0.995]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/32, country:DE]; SUBJECT_ENDS_QUESTION(1.00)[]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N 26.11.2021 22:59, Eugene Grosbein wrote: > sc(4) is still better quality for BIOS-based systems or EFI-based with CSM legacy mode working. > sc(4) is better to such an extent FreeBSD's unusable with vt(4) for some fresh systems being sold > but boots and works fine with sc(4). An example with many people complaining: > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230172 Sorry, not completly "unusable" (it seems manual work-around exists) but without knowledge of obscure work-around one cannot use the hardware with vt(4) and FreeBSD versions 11.2+ (11.1-RELEASE was last one working out of the box).