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Date: Sun, 29 May 2005 10:50:56 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: Kris Kennaway <kris@obsecurity.org>
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Cc: amd64@FreeBSD.org, current@FreeBSD.org
Subject: Re: Fatal trap 12 in exec_copyout_strings()
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On Tue, May 10, 2005 at 03:36:36PM -0700, Kris Kennaway wrote:
> Got this on a dual amd64 with 8GB RAM running 6.0 from last week:
>=20
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 1; apic id =3D 01
> fault virtual address   =3D 0xffffffffa9cdc000
> fault code      =3D supervisor read, page not present
> instruction pointer     =3D 0x8:0xffffffff8037759f
> stack pointer         =3D 0x10:0xffffffffba1637d0
> frame pointer         =3D 0x10:0xffffffffba163820
> code segment    =3D base 0x0, limit 0xfffff, type 0x1b
>                 =3D DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
> current process         =3D 52247 (sh)
> [thread pid 52247 tid 100149 ]
> Stopped at      exec_copyout_strings+0x12f:
> db> wh
> Tracing pid 52247 tid 100149 td 0xffffff016e5724c0
> exec_copyout_strings() at exec_copyout_strings+0x12f
> do_execve() at do_execve+0x39a
> kern_execve() at kern_execve+0xab
> execve() at execve+0x49
> syscall() at syscall+0x382
> Xfast_syscall() at Xfast_syscall+0xa8
> --- syscall (59, FreeBSD ELF64, execve), rip =3D 0x80090622c, rsp =3D 0x7=
fffffffe058, rbp =3D 0xffffffff ---
> db>

I've got this panic twice more since.

Kris
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