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From: Alan McKinnon <alan.mckinnon@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] strange dmesg output - RESOLVED
Date: Mon, 9 Nov 2009 11:50:15 +0200
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References: <a0811460910261838v34701d12o5a183ebb0aaae5e9@mail.gmail.com> <200910280655.42546.michaelkintzios@gmail.com> <4AF7DBC3.3000100@oversi.com>
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On Monday 09 November 2009 11:07:15 Amit Dor-Shifer wrote:
> On Wednesday 28 October 2009 20:10:52 Maxim Wexler wrote:
> > > Not sure this is related with the OP's problem, I have noticed that
>
> on my
>
> > > system I can scroll up in a console if it displays the output of a
> > > command, e.g. ls, but I cannot scroll up on the boot messages. Also, I
> > > cannot scroll up on the log messages on VT12. Is there something that
> > > I need to set up in the kernel? In the old days (perhaps different
> > > machine?) I used to be able to
> > > scroll up in both.
> >
> > Also note, if you migrate away from the boot console and then come
> > back, it may not scrollback at all. If I want to see what boot is
> > doing I scroll back immediately before running startx or moving to
> > another console.
>
> Maxim (or anyone else):
> do you know what causes scrollback to be disabled once you move to a
> different terminal?
> Amit
>
The scrollback buffer is global, not per-VT
So when you change VT, the buffer must go away other wise you have wrong text
on the wrong terminal.
--
alan dot mckinnon at gmail dot com