linux-kernel - Re: [PATCH] video/console/vgacon: Print big fat warning with nomodeset

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Message-id: <2310317.6avsyZ3xgb@amdc3058>
Date:   Tue, 24 Jul 2018 17:24:40 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Lyude Paul <lyude@...hat.com>
Cc:     dri-devel@...ts.freedesktop.org, Kees Cook <keescook@...omium.org>,
        Jan H. Schönherr <jschoenh@...zon.de>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] video/console/vgacon: Print big fat warning with
 nomodeset

On Monday, July 02, 2018 05:04:40 PM Lyude Paul wrote:
> It's been a pretty good while since kernel modesetting was introduced.
> It has almost entirely replaced previous solutions which required
> userspace modesetting, and I can't even recall any drivers off the top
> of my head for modern day hardware that don't only support one or the
> other. Even nvidia's ugly blob does not require the use of nomodeset,
> and only requires that nouveau be blacklisted.
> 
> Effectively, the only thing nomodeset does in the year 2018 is disable
> your graphics drivers. Since VESA is a thing, this will give many users
> the false impression that they've actually fixed an issue they were
> having with their machine simply because the laptop will boot up to a
> degraded GUI. This of course, is never actually the case.
> 
> Things get even worse when you consider that there's still an enormous
> amount of tutorials users find on the internet that still suggest adding
> nomodeset, along with various users who have been around long enough to
> still suggest it.
> 
> There really isn't any legitimate reason I can see for this to be an
> option that's used by anyone else other then developers, or properly
> informed users. So, let's end the confusion and start printing warnings
> whenever it's enabled.
> 
> Signed-off-by: Lyude Paul <lyude@...hat.com>

Patch queued for 4.19, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics