From owner-svn-src-stable@freebsd.org Tue Jul 31 05:28:01 2018 Return-Path: Delivered-To: svn-src-stable@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 6412E104E1EF for ; Tue, 31 Jul 2018 05:28:01 +0000 (UTC) (envelope-from eadler@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (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 D117E79EC4 for ; Tue, 31 Jul 2018 05:28:00 +0000 (UTC) (envelope-from eadler@freebsd.org) Received: from mail-yb0-f169.google.com (mail-yb0-f169.google.com [209.85.213.169]) (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)) (Authenticated sender: eadler) by smtp.freebsd.org (Postfix) with ESMTPSA id 6D58810B20 for ; Tue, 31 Jul 2018 05:28:00 +0000 (UTC) (envelope-from eadler@freebsd.org) Received: by mail-yb0-f169.google.com with SMTP id c3-v6so5685832ybi.13 for ; Mon, 30 Jul 2018 22:28:00 -0700 (PDT) X-Gm-Message-State: AOUpUlHdnPnnG+G0cl/cWGfSBxevx16/HM1JSsuiDNq5jKbJXTamfpo1 x+kRPCP676/CcOJov0+GCZo+MaBSZ9ynHgDhRtw8+w== X-Google-Smtp-Source: AAOMgpdC9iOSKC89nDEQE9hGUjdBon1/ltAxc4E87grs2TrjoPddrW9s4+IW7Jxvj/K8F/0glZJvd6eHrNTA+dFstxE= X-Received: by 2002:a25:4546:: with SMTP id s67-v6mr10971845yba.89.1533014879723; Mon, 30 Jul 2018 22:27:59 -0700 (PDT) MIME-Version: 1.0 References: <201807280737.w6S7b12F025452@repo.freebsd.org> <20180728233405.GD40119@kib.kiev.ua> In-Reply-To: From: Eitan Adler Date: Mon, 30 Jul 2018 22:27:33 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: svn commit: r336805 - in stable/11: share/man/man4 sys/dev/vt/hw/vga To: John Baldwin Cc: Kostik Belousov , src-committers , svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Content-Type: text/plain; charset="UTF-8" X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jul 2018 05:28:01 -0000 On Mon, 30 Jul 2018 at 15:38, John Baldwin wrote: > > On 7/28/18 10:12 PM, Eitan Adler wrote: > > On Sat, 28 Jul 2018 at 16:34, Konstantin Belousov wrote: > >> > >> On Sat, Jul 28, 2018 at 07:37:01AM +0000, Eitan Adler wrote: > >>> Author: eadler > >>> Date: Sat Jul 28 07:37:01 2018 > >>> New Revision: 336805 > >>> URL: https://svnweb.freebsd.org/changeset/base/336805 > >>> > >>> Log: > >>> MFC r335629: > >>> > >>> vt: add option to ignore NO_VGA flag in ACPI > >>> > >>> To workaround buggy firmware that sets this flag when there's actually > >>> a VGA present. > >>> > >>> Ref D16003 > >>> PR: 229235 > >>> > >>> Modified: > >>> stable/11/share/man/man4/vt.4 > >>> stable/11/sys/dev/vt/hw/vga/vt_vga.c > >>> Directory Properties: > >>> stable/11/ (props changed) > >>> > >>> Modified: stable/11/share/man/man4/vt.4 > >>> ============================================================================== > >>> --- stable/11/share/man/man4/vt.4 Sat Jul 28 06:46:10 2018 (r336804) > >>> +++ stable/11/share/man/man4/vt.4 Sat Jul 28 07:37:01 2018 (r336805) > >>> @@ -44,6 +44,7 @@ > >>> In > >>> .Xr loader.conf 5 : > >>> .Cd hw.vga.textmode=1 > >>> +.Cd hw.vga.acpi_ignore_no_vga=1 > >>> .Cd kern.vty=vt > >>> .Cd kern.vt.color..rgb="" > >>> .Cd kern.vt.fb.default_mode="x" > >>> @@ -196,6 +197,10 @@ prompt or in > >>> Set to 1 to use virtual terminals in text mode instead of graphics mode. > >>> Features that require graphics mode, like loadable fonts, will be > >>> disabled. > >>> +.It Va hw.vga.acpi_ignore_no_vga > >>> +Set to 1 to force the usage of the VGA driver regardless of whether > >>> +ACPI IAPC_BOOT_ARCH signals no VGA support. > >>> +Can be used to workaround firmware bugs in the ACPI tables. > >>> .It Va kern.vty > >>> Set this value to > >>> .Ql vt > >>> > >>> Modified: stable/11/sys/dev/vt/hw/vga/vt_vga.c > >>> ============================================================================== > >>> --- stable/11/sys/dev/vt/hw/vga/vt_vga.c Sat Jul 28 06:46:10 2018 (r336804) > >>> +++ stable/11/sys/dev/vt/hw/vga/vt_vga.c Sat Jul 28 07:37:01 2018 (r336805) > >>> @@ -1211,6 +1211,12 @@ vga_acpi_disabled(void) > >>> ACPI_TABLE_FADT *fadt; > >>> vm_paddr_t physaddr; > >>> uint16_t flags; > >>> + int ignore; > >>> + > >>> + TUNABLE_INT_FETCH("hw.vga.acpi_ignore_no_vga", &ignore); > >>> + > >>> + if (ignore) > >>> + return (false); > > > >> If the tunable is not set, this code evaluates the stack garbage. > >> Why did you merged this without asking the author and not looking > >> at the followups ? > > > > Please assume some level of good faith. > > > > I MFCed this because I was asked to here > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229235 over a month > > ago. During that time no one mentioned or linked any followups. I did > > look in my email for mentions of r335629 as well - of which there are > > none. > > > > Now that you mention it, I looked at the svn log and found r335631 > > which I will MFC as well. > > If MFC'ing a change by another developer you should proactively look at > the svn logs of the changed files to see if there are follow up fixes. I did this, but looked by bug ID and by revision ID. Could I have found r335631 if I had looked at svn logs too? yes. Is it appropriate to say I did not look for followups? no Anyways, -stable is good now so this is my last response to the thread. -- Eitan Adler Source, Ports, Doc committer Bugmeister, Ports Security teams