linux-kernel - Re: [PATCH] vt: disable console blanking by default

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Date:	Wed, 25 Jun 2014 21:21:38 +0200
From:	Arkadiusz Miskiewicz <a.miskiewicz@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Tomasz Torcz <tomek@...ebreaker.pl>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: [PATCH] vt: disable console blanking by default

On Wednesday 25 of June 2014, One Thousand Gnomes wrote:
> On Wed, 18 Jun 2014 11:27:31 +0200
> 
> Tomasz Torcz <tomek@...ebreaker.pl> wrote:
> > >From ea7cf47e3230eda63aa6c46092719437f9bbae8e Mon Sep 17 00:00:00 2001
> > 
> > From: Tomasz Torcz <tomek@...ebreaker.pl>
> > Date: Wed, 18 Jun 2014 11:18:06 +0200
> > Subject: [PATCH] vt: disable console blanking by default
> > 
> >   Remove default 10 minute blank interval. Instead: never blank by
> >   default.
> >   "Screensaving" is no longer useful.  Today it only provides
> >   obstacle when interacting with text console, especially through
> >   remote lights-out management solutions.
> 
> Screensaving is extremely useful as is power management, and power prices
> are going up not down. We don't customise the upstream kernel just
> because J Random User happens to want his defaults.
> 
> There are a couple of things you can sensibly do
> 
> 1. Just turn it off in software. It's run time configurable via setterm
> 
> 2. If you have a reliable way of detecting the presence of a remote
> console device and that device supports reporting when a connection is
> made/broken you could submit a patch to make it unblank on connect.

3. unblank & disable blanking on any oops? (probably problematic)

Anyway I dislike blanking here, too.

> Alan


-- 
Arkadiusz Miśkiewicz, arekm / maven.pl
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