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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Thu, 21 Sep 2006 22:16:03 +0200
From:	Andi Kleen <ak@....de>
To:	Andrew Morton <akpm@...l.org>
Cc:	Bernhard Rosenkraenzer <bero@...linux.org>,
	linux-kernel@...r.kernel.org,
	Chuck Ebbert <76306.1226@...puserve.com>
Subject: Re: "Int 6: CR2" on bootup w/ 2.6.18-rc7-mm1

On Thu, Sep 21, 2006 at 12:43:36PM -0700, Andrew Morton wrote:
> On Thu, 21 Sep 2006 14:12:08 +0200
> Bernhard Rosenkraenzer <bero@...linux.org> 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?

Int 6 is invalid op. Can you do 

gdb vmlinux
disassemble 0x<number behind EIP>?

and send the full output?

-Andi

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/