From owner-freebsd-bugs@FreeBSD.ORG Wed Oct 13 13:21:04 2004 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 95CED16A4DD; Wed, 13 Oct 2004 13:21:04 +0000 (GMT) Received: from shrike.submonkey.net (cpc2-cdif3-6-0-cust204.cdif.cable.ntl.com [81.103.67.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1BD0B43D3F; Wed, 13 Oct 2004 13:21:04 +0000 (GMT) (envelope-from setantae@submonkey.net) Received: from setantae by shrike.submonkey.net with local (Exim 4.43 (FreeBSD)) id 1CHj3v-000Phk-6v; Wed, 13 Oct 2004 14:21:03 +0100 Date: Wed, 13 Oct 2004 14:21:03 +0100 From: Ceri Davies To: "Simon L. Nielsen" Message-ID: <20041013132103.GP57641@submonkey.net> Mail-Followup-To: Ceri Davies , "Simon L. Nielsen" , tutoren@physik.TU-Berlin.DE, freebsd-bugs@FreeBSD.org References: <200410131248.i9DCmdQq001303@freefall.freebsd.org> <20041013130113.GO57641@submonkey.net> <20041013131900.GF769@zaphod.nitro.dk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="G4uQRTjNk52FNqRv" Content-Disposition: inline In-Reply-To: <20041013131900.GF769@zaphod.nitro.dk> X-PGP: finger ceri@FreeBSD.org User-Agent: Mutt/1.5.6i Sender: Ceri Davies cc: tutoren@physik.TU-Berlin.DE cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/72636: Detaching USB-Memorystick without prior umount can cause System panic X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Oct 2004 13:21:04 -0000 --G4uQRTjNk52FNqRv Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Oct 13, 2004 at 03:19:00PM +0200, Simon L. Nielsen wrote: > On 2004.10.13 14:01:13 +0100, Ceri Davies wrote: > > On Wed, Oct 13, 2004 at 12:48:39PM +0000, Simon L. Nielsen wrote: > > > Synopsis: Detaching USB-Memorystick without prior umount can cause Sy= stem panic > > >=20 > > > State-Changed-From-To: open->closed > > > State-Changed-By: simon > > > State-Changed-When: Wed Oct 13 12:45:41 GMT 2004 > > > State-Changed-Why:=20 > > > This is a known problem which is mentioned many times in the mail > > > archives, and probably also in few PR's. People are working towards > > > fixing this problem, but it's far from trivial. > > > Close the PR since this is a well known long term TODO/TOFIX item. > >=20 > > It should be either left open, or suspended at worst, until this is > > corrected. If someone is working on it, assign the PR to them, but do > > not close problem reports for problems that are still ongoing please. >=20 > As I noted I was pretty sure that there already were PR's for this > (since this issue really comes up every few weeks on the mailing > lists). Anyway I just quickly checked and other PR's which deal with > the same basic problem (which is that bad thing happens if devices > disappear under a mounted file system): >=20 > 72119 freebsd- kern open serious medium current-us Detach= ing USB Memory Stick w/o umount causes zombie devfs node > 30160 freebsd- kern feedback serious medium current-us [panic= ] kernel panic when flash disk is removed and the flash disk is mounted. > 40787 freebsd- kern open serious low current-us kernel= panic if PCMCIA CD-drive with mounted medium is removed >=20 > So I don't see the need to keep this PR open. OK, it was the "probably" that threw me. Cheers, Ceri --=20 --G4uQRTjNk52FNqRv Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBbSu+ocfcwTS3JF8RAr9OAJsGuMtx783QLkXL4aD8tOWOu2nyQwCgmo9k KPMVRGCIqQ3qzVkncHUapzY= =SKLM -----END PGP SIGNATURE----- --G4uQRTjNk52FNqRv--