Linux-kernel mailing list archive 1998-25,: Re: Scroll Lock key [was Re: 2.1.105 programs freeze, kernel continues to respond]

# Re: Scroll Lock key [was Re: 2.1.105 programs freeze, kernel continues to respond]

Trevor Johnson (trevor@jpj.net)
Tue, 23 Jun 1998 18:12:31 -0400 (EDT)

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> Two things:
>
> where is the scroll-lock features described?

I don't know where it's described, besides here, :) but Shift-Scroll Lock
does show_buffers() in arch/foo/mm/init.c, Ctrl-Scroll Lock does
show_state() in kernel/sched.c, Alt-Scroll Lock does show_regs() in
arch/foo/kernel/process.c, and Scroll Lock by itself pauses the output of
most programs (its original function was to replace Ctrl-S and Ctrl-Q
for sending XON and XOFF).

> alt-scroll-lock does nothing useful on my keyboard (neither does
> meta-scroll-lock) - it just stops the keyboard responding until I press it
> again. Or is this the way it works?

> UK win95 keyboard with UK keymap loaded.

I don't know why it isn't working for you. I have CONFIG_MAGIC_SYSRQ=y;
perhaps there's interplay with that. I'm using a 101-key PC keyboard with
US mapping.
___
Trevor Johnson

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