From owner-freebsd-current Sun Mar 17 13:31:38 2002 Delivered-To: freebsd-current@freebsd.org Received: from obsecurity.dyndns.org (adsl-64-165-226-239.dsl.lsan03.pacbell.net [64.165.226.239]) by hub.freebsd.org (Postfix) with ESMTP id 86D0A37B404; Sun, 17 Mar 2002 13:31:31 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 0950766C39; Sun, 17 Mar 2002 13:31:30 -0800 (PST) Date: Sun, 17 Mar 2002 13:31:30 -0800 From: Kris Kennaway To: Kris Kennaway Cc: current@FreeBSD.org, fs@FreeBSD.org Subject: Re: panic: bwrite: buffer is not busy??? Message-ID: <20020317133130.A35137@xor.obsecurity.org> References: <20020317124958.A34008@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="d6Gm4EdcadzBjdND" Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20020317124958.A34008@xor.obsecurity.org>; from kris@obsecurity.org on Sun, Mar 17, 2002 at 12:49:58PM -0800 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG --d6Gm4EdcadzBjdND Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Mar 17, 2002 at 12:49:58PM -0800, Kris Kennaway wrote: > I tried upgrading the bento cluster to 5.x so I can actually get 5.0 > packages built (eaccess problems), and 5 of them blew up in about 10 > minutes with this (I think this is going to be an .. uh .. interesting > test of the stability of 5.0-CURRENT): >=20 > IdlePTD at phsyical address 0x004a6000 > initial pcb at physical address 0x003e9040 > panicstr: bwrite: buffer is not busy??? > panic messages: > --- > Fatal trap 12: page fault while in kernel mode > fault virtual address =3D 0x58 > fault code =3D supervisor read, page not present > instruction pointer =3D 0x8:0xc0204b92 > stack pointer =3D 0x10:0xcf0fac2c > frame pointer =3D 0x10:0xcf0fac34 > code segment =3D base 0x0, limit 0xfffff, type 0x1b > =3D DPL 0, pres 1, def32 1, gran 1 > processor eflags =3D resume, IOPL =3D 0 > current process =3D 10095 (umount) > trap number =3D 12 > panic: page fault As Peter pointed out to me, this is the actual panic; the "bwrite: buffer is not busy???" is spurious and caused by the kernel trying to sync after the first panic. All of the problems I'm currently seeing are in umount. Kris --d6Gm4EdcadzBjdND Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE8lQsyWry0BWjoQKURAvnZAKDUgxQiB5LyMkf+ceuPAsgMkemhiwCfQY8e lxFGIk6Cnkrh8c+8CzeM5iw= =qDjz -----END PGP SIGNATURE----- --d6Gm4EdcadzBjdND-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message