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From: "David Xu" <davidxu@freebsd.org>
To: "Daniel Eischen" <eischen@pcnet1.pcnet.com>,
	<current@FreeBSD.org>
References: <200304212345.h3LNjewA006168@pcnet1.pcnet.com>
Date: Tue, 22 Apr 2003 10:35:26 +0800
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Subject: Re: kernel panic
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This is what I saw few days ago. when running heavy threaded=20
process, VM system panic.

David Xu

----- Original Message -----=20
From: "Daniel Eischen" <eischen@pcnet1.pcnet.com>
To: <current@FreeBSD.org>
Sent: Tuesday, April 22, 2003 7:45 AM
Subject: kernel panic


> I'm getting kernel panics every now and them from kernel sources
> cvsup'd a few hours ago.  Same configured kernel from Friday is
> OK.
>=20
> Typed by hand:
>=20
>   Fatal trap 12: page fault while in kernel mode
>   fault virtual address       =3D 0xd0d10080
>   fault code                  =3D supervisor read, page not present
>   instruction pointer         =3D 0x8:0xc03adceb
>   stack pointer               =3D 0x10:0xd1353bb0
>   frame pointer               =3D 0x10:0xd1353bbc
>   code segment                =3D base 0x0, limit 0xfffff, type 0x1b
>   processor eflags            =3D interrupt enabled, resume, IOPL =3D =
0
>   current process             =3D 607 (bash)
>   kernel: type 12 trap, code =3D 0
>   Stopped at pmap_allocpte+0x13:movl 0(%eax, %esi, 4), %edx
>   db> trace
>   pmap_allocpte(c1e594b0, 8141000, 0, c037b961m c1e59400) at =
pmap_allocpte+0x13
>   pmap_enter(c1e54b0, 8141000, c0ad7ac0, 3, 0)at pmap_enter+0x39
>   vm_fault(c1e59400, 8141000, 2, 8, c1e2fbe0) at vm_fault+0xec7
>   trap_pfault(d1353d48, 1, 8141b7c, 8141b7c, 6) at trap_pfault+0xcc
>   trap(2f, 2f, 2f, bfbffbf0, bfbffc00) at trap+0x213
>   calltrap() at calltrap+0x5
>   --- trap 0xc, eip=3D0x80480d5, esp =3D 0xbfbffbd0, ebp =3D =
0xbfbffbe8 ---
>=20
> --=20
> Dan Eischen
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