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SubjectRe: Frozen linux 1.3.84
Date
In some mail from Linus Torvalds, sie said:
>
>
>
> 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.

EIP: 0010:[<0014181e>] EFLAGS: 00000206
EAX: 00fe780c EBX: 00fe783c ECX: 00000020 EDX: 0000000c
ESI: 00000000 EDI: 0000000c EBP: 0000008b DS: 0018 ES: 0018 FS: 002b GS: 0018

EIP is the only one which appears to change, 001413ff, 001413e9, 001413eb,
00141393, ...

001412f0 T _ip_options_compile
00141938 T _ip_loopback

darren


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