Re: [PATCH -ac] Panicking in morse code v3

[Andi Kleen]

Russell King <[e-mail]> writes:

> Hmm.  I thought the original idea for the "flash LEDs on panic" was
> so you knew something had gone wrong early in the boot, at the kind
> of places where you don't have a console initialised.  If you don't
> have the console initialised, you sure as hell don't have the input
> layer or keyboard drivers initialised.

[having written the original code...]
The idea was to distingush panic from lockup when you are in X and cannot
see the console and X is dead so you cannot switch to the console.

Handling early panic is probably better done by an "early console", like
x86-64 supports one.

-Andi