Re: Frozen linux 1.3.84

Linus Torvalds (torvalds@cs.helsinki.fi)
Mon, 8 Apr 1996 16:02:48 +0300 (EET DST)


On Mon, 8 Apr 1996, Darren Reed wrote:
>
> I've fired less than 1k of random IP packets at my Pentium-100 running
> 1.3.84 and it has now frozen.
>
> No packet was more than 255 bytes long.
>
> I cannot switch consoles, it does not beep when I try.
>
> I can not ping it, there is nothing on the console to indicate any sort of
> error.
>
> The cursor is still blinking, no drive lights are on.
>
> CTRL-ALT-DEL does not work.

Try RightAlt + ScrollLock: it should print out a register dump, and if
you do that multiple times you can look at the EIP values and try to get
a feel for where it's looping.

Of course, if it's looping with interrupts disabled, even this won't
work, but it's worth checking out.

Linus