Date: Tue, 8 Apr 2003 21:39:12 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Kris Kennaway <kris@obsecurity.org> Cc: current@freebsd.org Subject: Re: Double faults on bento Message-ID: <20030409043912.GA68618@rot13.obsecurity.org> In-Reply-To: <20030409042715.GA68488@rot13.obsecurity.org> References: <20030409042715.GA68488@rot13.obsecurity.org>
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On Tue, Apr 08, 2003 at 09:27:16PM -0700, Kris Kennaway wrote:
> Bento (SMP machine running -current) regularly gets a variation of the
> following while under load:
>=20
> Fatal double fault:
> eip =3D 0xc03060c0
> esp =3D 0xe329f00c
> ebp =3D 0xe329f054
> cpuid =3D 1; lapic.id =3D 00000000
> panic: double fault
> cpuid =3D 1; lapic.id =3D 00000000
> Debugger("panic")
>=20
> Fatal double fault:
> eip =3D 0xc0305d40
> esp =3D 0xe2e34000
> ebp =3D 0xe2e3408c
> cpuid =3D 0; lapic.id =3D 01000000
> panic: double fault
> cpuid =3D 0; lapic.id =3D 01000000
> Debugger("panic")
>=20
> Running addr2line on the eip values above shows:
Oops, that was the wrong kernel.
bento# addr2line -e kernel.debug 0xc0305d40
=2E./../../i386/i386/trap.c:182
bento# addr2line -e kernel.debug 0xc03060c0
=2E./../../i386/i386/trap.c:441
Kris
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