Reasons to preseve X on tty7
Jim Gettys
jg at laptop.org
Wed Oct 29 13:07:13 UTC 2008
Heh. I was using xterm and X for my console in 1985, IIRC; it sure beat
line printer consoles....
I look at Linux VT's and their kernel complexity with a mixture of awe
and stupefaction that so much effort has gone in that direction.... I
guess it is an artifact of how Linux came about; X wasn't available
early on, from what I've read.
What is more, then you make sure X starts early in the boot sequence,
and starts fast, and "just works".
- Jim
On Wed, 2008-10-29 at 08:46 -0400, Brian Wheeler wrote:
> Interesting. Besides making sure that X ends up on tty7, is there any
> reason why we have 6 VTs? For all the years I've been using linux in a
> personal and professional capacity, I think the most ttys I've had
> active at any given time was _maybe_ 4...otherwise I was doing
> everything in X.
>
> Brian
>
> On Wed, 2008-10-29 at 08:36 -0400, Jim Gettys wrote:
> > FWIW: we investigated memory usage of VT's, and it was significant; we
> > reduced the number of VT's available on the OLPC (3 or 4, IIRC), and
> > moved the VT X was on, without any problems.
> >
> > Of course, our environment is atypical, but that can be said about
> > everyone's environment...
> > - Jim
> >
> >
> > On Wed, 2008-10-29 at 08:26 -0400, Brian Wheeler wrote:
> > > I'm going to agree with the -1.
> > >
> > > Almost all of the "reasons" from the original email boil down to "we've
> > > always done it this way".
> > >
> > > I don't see what the big deal really is. We'd have this same argument
> > > if someone decided to change the number of getty processes. I
> > > personally think 6 is too many, but since they don't take up much space,
> > > I don't care that much.
> > >
> > > On the topic of documentation: it should be documented in the release
> > > notes and elsewhere. The only people that are really going to run into
> > > this problem are people troubleshooting, and if they're worth anything
> > > for troubleshooting, they're going to either know its been changed or be
> > > smart enough to try tty2.
> > >
> > > Brian
> > >
> > >
> > >
> > >
> > > On Wed, 2008-10-29 at 21:57 +1000, Dave Airlie wrote:
> > > > On Tue, 2008-10-28 at 23:36 -0600, Dax Kelson wrote:
> > > > > I would argue strongly that this change should not be made for the
> > > > > following reasons (in no particular order):
> > > > >
> > > > > * The default behavior of X on tty7 has been in place since the
> > > > > beginning (almost a decade and a half).
> > > > >
> > > >
> > > > -1
> > > >
> > > > Can one man make a difference? I voted for Kodos.
> > > >
> > > > Dave.
> > > >
> > >
> > --
> > Jim Gettys <jg at laptop.org>
> > One Laptop Per Child
> >
>
--
Jim Gettys <jg at laptop.org>
One Laptop Per Child
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