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Re: [PATCH 0/4] Make hidden menu really hidden

From: Daniel Kiper
Subject: Re: [PATCH 0/4] Make hidden menu really hidden
Date: Wed, 28 Mar 2018 17:04:50 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

Hi Hans,

On Wed, Mar 28, 2018 at 04:50:24PM +0200, Hans de Goede wrote:
> Hi All,
> Let me start with a quick self-intro:
> I'm a FOSS enthusiast / developer working for Red Hat, my latest project
> at Red Hat is chasing what has over the years become the magical unicorn
> of desktop Linux distros: a smooth graphical boot where the machine goes
> from the BIOS screen to the graphical login manager in one smooth flow,
> without any (80x25) text mode messages or black-screens in between.
> These 4 patches modify grub so that when timeout_style=hidden is used,
> and the user does not press a key to show the menu the EFI display is never
> switched to text mode and the vendor logo stays in place on the monitor.
> The first patch adds a new "version" command, this is not really related
> to the other 3 patches, but when I started working on grub I wanted to
> verify I was running my own build and I was surprised there was no such
> command, so I added one.
> The second patch is also only somewhat related, if the menu-timeout is
> short, one way to still make sure you get the grub menu is to start
> pressing the ESC key before grub is loaded, but on some systems ESC is
> the hotkey to enter the firmware setup, so this commit also adds support
> for pressing F8 to ge the menu. F8 is used by the Windows boot menu, so
> almost all x86 firmwares don't use this key for their own purposes. This
> will also make it easier for users coming from Windows to get the menu
> (if they know that F8 is used for the boot menu Windows).
> The third patch makes changes which a lot of distros have been carrying
> as distro patches since 2013 at least, these changes make grub be quiet
> during boot, except for the menu. These changes were not universally liked
> in the past, because they may make debugging boot problems harder in some
> cases, so they have never been merged.
> This version of these changes makes the quiet behavior configurable
> through a ./configure option which defaults to the old verbose behavior,
> which should hopefully make everyone happy. This patch is a mix of Fedora
> and Ubuntu patches for this, picking the best of both.
> The fourth patch modifies the EFI terminal code to not switch the EFI
> display to textmode until the first text is output. Note that for this
> patch to actually make a difference, no text must be output, so we need
> the "quiet" patch to be enabled and timeout_style=hidden. If any error
> (or other output happens) grub will immediately switch to text mode and
> show the message to the user.

I will take a look at the patches in a week or so. Please be patient.


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