From owner-freebsd-current Wed Nov 27 0:38:14 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B838E37B401 for ; Wed, 27 Nov 2002 00:38:12 -0800 (PST) Received: from nebula.wanadoo.fr (ca-sqy-1-208.abo.wanadoo.fr [80.8.54.208]) by mx1.FreeBSD.org (Postfix) with ESMTP id 78F1F43ECF for ; Wed, 27 Nov 2002 00:38:10 -0800 (PST) (envelope-from dak@wanadoo.fr) Received: from nebula.wanadoo.fr (localhost [127.0.0.1]) by nebula.wanadoo.fr (8.12.6/8.12.6) with ESMTP id gAR8d27J000761; Wed, 27 Nov 2002 09:39:02 +0100 (CET) (envelope-from dak@nebula.wanadoo.fr) Received: (from dak@localhost) by nebula.wanadoo.fr (8.12.6/8.12.6/Submit) id gAR8cxfG000760; Wed, 27 Nov 2002 09:38:59 +0100 (CET) Date: Wed, 27 Nov 2002 09:38:57 +0100 From: Aurelien Nephtali To: "M. Warner Losh" Cc: current@freebsd.org Subject: Re: PANIC: "Most recently used by bus" Message-ID: <20021127083857.GA747@nebula.wanadoo.fr> References: <20021126192147.GB530@nebula.wanadoo.fr> <20021127.003130.15920342.imp@bsdimp.com> <20021127.004323.65008236.imp@bsdimp.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="pWyiEgJYm5f9v55/" Content-Disposition: inline In-Reply-To: <20021127.004323.65008236.imp@bsdimp.com> User-Agent: Mutt/1.5.1i 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 --pWyiEgJYm5f9v55/ Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 27, 2002 at 12:43:23AM -0700, M. Warner Losh wrote: > In message: <20021127.003130.15920342.imp@bsdimp.com> > "M. Warner Losh" writes: > : In message: <20021126192147.GB530@nebula.wanadoo.fr> > : Aurelien Nephtali writes: > : : I've got a panic by unplugging my NIC then plugging it again and then= doing > : : a dhclient . I've attached some informations about the pan= ic. > :=20 > : Kill the dhclient after you unplug the interface, but before you plug > : it back in. I've killed it before, as always. >=20 > This can also be caused by a bug in the network driver. If it failed > to attach for some reason, but created (and not destroyed) a mutex, > then the WITNESS code will modify the softc after it has been freed, > trigging the panic you described. >=20 > Warner Yes, I think it's a bug too. I've already unplugged/plugged my NIC in the p= ast without any problem (and always with WITNESS enabled) so maybe it's a new b= ug introduced recently, but I've not seen any commit about if_ed recently. -- Aur=E9lien --pWyiEgJYm5f9v55/ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE95IShDNsbHbt8ok8RAgrJAKCUdL7gOvy6HJYzuYumPVueo1ce0gCeOUl6 w+5fSDSowEPNN+JTfr22068= =2tKG -----END PGP SIGNATURE----- --pWyiEgJYm5f9v55/-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message