Date: Fri, 03 Jul 2009 07:27:09 -0500 From: Robert Noland <rnoland@FreeBSD.org> To: Ian J Hart <ianjhart@ntlworld.com> Cc: freebsd-stable@freebsd.org Subject: Re: trap 12 Message-ID: <1246624029.1855.58.camel@balrog.2hip.net> In-Reply-To: <20090703100627.197838cphjnil82s@10.248.192.16> References: <20090703100627.197838cphjnil82s@10.248.192.16>
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--=-3ubMvi6UgXzAt6fKF9sh Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Fri, 2009-07-03 at 10:06 +0100, Ian J Hart wrote: > Is this likely to be hardware? Details will follow if not. >=20 > [copied from a screen dump] >=20 > Fatal trap 12: page fault while in kernel mode > cpuid =3D 1; apic id =3D 01 > fault virtual address =3D 0x0 > fault code =3D supervisor write data, page not present > instruction pointer =3D 0x8:0xffffffff807c6c12 > stack pointer =3D 0x10:0xffffffff510e7890 > frame pointer =3D 0x10:0xffffff00054a6c90 > 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 75372 (printf) > trap number =3D 12 > panic: page fault > cpuid =3D 1 > uptime: 8m2s > Cannot dump. No dump device defined. >=20 I would doubt it. Are you using drm, with the radeon driver? There are a few corner cases where this can happen. http://people.freebsd.org/~rnoland/drm_radeon-copyin-fix-try2.patch should help if this is the case. robert. --=20 Robert Noland <rnoland@FreeBSD.org> FreeBSD --=-3ubMvi6UgXzAt6fKF9sh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (FreeBSD) iEYEABECAAYFAkpN+R0ACgkQM4TrQ4qfROMBhgCfREpGKBY6NxK+Bptuf8KcrYMe ApUAnjIzmHjIiZUiOEl3j81Dqve5s3Ac =pfKV -----END PGP SIGNATURE----- --=-3ubMvi6UgXzAt6fKF9sh--
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