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Date: Sat, 23 Apr 2005 17:11:41 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Tom Shafron <phred1975@yahoo.com>
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cc: freebsd-amd64@freebsd.org
Subject: Re: 5.3, amd64, k8s pro locked up just now... new info
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On Sat, Apr 23, 2005 at 05:06:25PM -0700, Tom Shafron wrote:

> So just got back from checking out the machine... this
> is the error I got:
>=20
> Fatal trap 12: page  fault while in kernel mode
> cpuid =3D 1; apicid =3D 01
> fault virtual address  =3D 0x48
> fault code             =3D supervisor read, page not
> present=20
> instruction pointer    =3D 0x8:0xffffff8038a3b3=20
> stack pointer          =3D 0x10:0xffffffb1fbfb00=20
> code segment           =3D base 0x0, limit 0xfffff, type
> 0x1b=20
>                        =3D DPL 0, pres 1, long 1, def32
> 0, gran 1=20
> processor eflags       =3D resume, IPOL =3D 0=20
> current process        =3D 44 (swi5: clock sio)=20
> trap number            =3D 12=20
>=20
> spin lock sched lock held by 0xffffff007b64c5207 > 5
> secs
>=20
> I think I got the addresses right but I had to right
> them down so I'm not 100% sure....
>=20
> Looks like something bugged out with the serial port
> (which I don't use)... anyone have any opinions on
> this?

At the very least you need to update to the RELENG_5_3 branch
(5.3-Release + errata patches), because there were several SMP
problems fixed after the release.

Kris

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