Re: "Int 6: CR2" on bootup w/ 2.6.18-rc7-mm1

From: linux-os \(Dick Johnson\)
Date: Thu Sep 21 2006 - 16:06:25 EST



On Thu, 21 Sep 2006, Andrew Morton wrote:

> On Thu, 21 Sep 2006 14:12:08 +0200
> Bernhard Rosenkraenzer <bero@xxxxxxxxxxxx> wrote:
>
>> This happens when trying to boot 2.6.18-rc7-mm1 on a truly ancient
>> (Pentium 1)
>> box:
>>
>> Uncompressing Linux... Ok, booting the kernel.
>>
>> Int 6: CR2 00000000 err 00000000 EIP c0381719 CS 00000060 flags 00010046
>> Stack: 00000000 c036f4d1 00000000 c0100199 000001b8 0505c600 00c036cc
> 001f0fc3
>>
>> (No further details even with initcall_debug loglevel=7).
>> c0381719 appears to be in ACPI code -- but the Int 6 error happens even with
>> acpi=off.
>
> Well Chuck's new early-fault handler has gone and handled an early fault.
>
> I assume that machine runs 2.6.18 OK with the same .config?
> -

Interrupt 6 is an invalid opcode interrupt. The caller might check
the kind of CPU for which the kernel was compiled. You can't boot
a '486 with '686 opcodes. "Truly ancient" probably explains it all.


Cheers,
Dick Johnson
Penguin : Linux version 2.6.16.24 on an i686 machine (5592.66 BogoMips).
New book: http://www.AbominableFirebug.com/
_


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