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Date:      Wed, 13 Aug 2008 13:28:22 +0200
From:      "Alexander Leidinger" <Alexander@Leidinger.net>
To:        "Nate Eldredge" <neldredge@math.ucsd.edu>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Debugging reboot with Linux emulation
Message-ID:  <20080813132822.18394zk66kfg0xcs@webmail.leidinger.net>
In-Reply-To: <Pine.GSO.4.64.0808122344020.11980@zeno.ucsd.edu>
References:  <Pine.GSO.4.64.0808122344020.11980@zeno.ucsd.edu>

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Quoting "Nate Eldredge" <neldredge@math.ucsd.edu> (from Tue, 12 Aug =20
2008 23:52:35 -0700 (PDT)):

> Hi folks,
>
> I recently tried to run a Linux binary of Maple (commercial math =20
> software) on my FreeBSD 7.0-RELEASE/amd64 box, and the machine =20
> rebooted.  I tried it again while watching the console, and no panic =20
> message appeared to be produced.  Does anyone have any ideas on how =20
> to debug problems of this nature?  I realize I may not be able to =20
> get Maple to work, but in any case the system should not die like =20
> this, so I can at least try to fix that bug.
>
> Incidentally, is it possible to run kdb with a USB keyboard?  =20
> Hitting Ctrl-Alt-Esc gives me the kdb prompt, but I can't type, so I =20
> can do nothing except hit the power button.  I do have =20
> hint.atkbd.0.flags=3D"0x1" in /boot/device.hints.  Unfortunately I =20
> don't have a PS/2 keyboard on hand, though I can try and get a hold =20
> of one if all else fails.

A guess out of my cristallball:
That's one of the cases which happen if you run a linux program =20
without branding it as a linux program first. People tend to think it =20
is not needed, but in some rare circumstances it just causes what you =20
see, a reboot. So go and identify all binaries (IMPORTANT: but not the =20
libraries!), e.g. with the file(1), and use "brandelf -t Linux" on =20
those programs.

Bye,
Alexander.

--=20
=09She said, "I know you ... you cannot sing."
=09I said, "That's nothing, you should hear me play piano."
=09=09-- Morrisey

http://www.Leidinger.net    Alexander @ Leidinger.net: PGP ID =3D B0063FE7
http://www.FreeBSD.org       netchild @ FreeBSD.org  : PGP ID =3D 72077137



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