Date: Wed, 18 Aug 2010 17:20:13 +0200 From: Ed Schouten <ed@80386.nl> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: freebsd-fs@freebsd.org, Daichi GOTO <daichi@freebsd.org>, freebsd-current@freebsd.org Subject: Re: Mounting cd9660 multiple times gives EBUSY [Was: unionfs a little improvement] Message-ID: <20100818152013.GF2978@hoeg.nl> In-Reply-To: <20100818121550.GD2177@garage.freebsd.pl> References: <4C6B9F51.1060009@freebsd.org> <20100818104853.GB2978@hoeg.nl> <20100818121550.GD2177@garage.freebsd.pl>
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--zBZpvCNcoXwafAjP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable * Pawel Jakub Dawidek <pjd@FreeBSD.org> wrote: > What you are trying to do here is to mount /dev/iso9660/freebsd for the > second time? This is not supported. The check is there to prevent doing > this, as it will panic on you when you try to unmount first mount (not > really a problem in your case, as the first mount is /, so you probably > don't want to unmount it, but it is a problem in general). >=20 > You should be able to reproduce the panic with your patch applied by > doing the following: >=20 > # mount -t cd9660 /dev/iso9660/freebsd /mnt0 > # mount -t cd9660 /dev/iso9660/freebsd /mnt1 > # umount /mnt0 Ah, I see. Well, I changed my setup to use an md root now. Works quite nicely. Screenshot: http://80386.nl/pub/livecd.png Thanks for the explanation! --=20 Ed Schouten <ed@80386.nl> WWW: http://80386.nl/ --zBZpvCNcoXwafAjP Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iEYEARECAAYFAkxr+i0ACgkQ52SDGA2eCwWKvwCcCnXjomyWP3sqeYnzMe5M8zHH 3SIAnRxazLWYyzLb6uSgYsDNFyR1OS4Q =6ev4 -----END PGP SIGNATURE----- --zBZpvCNcoXwafAjP--
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