Date: Thu, 19 Feb 2009 12:31:43 +0100 From: Polytropon <freebsd@edvax.de> To: Mel <fbsd.questions@rachie.is-a-geek.net> Cc: freebsd-questions@freebsd.org Subject: SOLVED: Re: Determining process preventing umount of busy partition Message-ID: <20090219123143.2b127ebd.freebsd@edvax.de> In-Reply-To: <200902181044.31941.fbsd.questions@rachie.is-a-geek.net> References: <20090212062505.ca66b93e.freebsd@edvax.de> <200902171330.55677.fbsd.questions@rachie.is-a-geek.net> <20090218160752.20522f26.freebsd@edvax.de> <200902181044.31941.fbsd.questions@rachie.is-a-geek.net>
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On Wed, 18 Feb 2009 10:44:31 -0900, Mel <fbsd.questions@rachie.is-a-geek.net> wrote:
> Can you show mount -p before trying to unmount /usr? On the off-chance /export
> or /export/home is really a symlink to /usr/home (mount -p shows realpath(3)
> for mounts).
Hm, I keep /home out of /usr, so there's only a symlink (for the
obvious compatibility reasons) /home@ -> export/home.
BUT, and now the big surprise, maybe a possibility:
% mount -p
/dev/ad0s1a / ufs rw 1 1
devfs /dev devfs rw 0 0
/dev/ad0s1d /tmp ufs rw 2 2
/dev/ad0s1e /var ufs rw 2 2
/dev/ad0s1f /usr ufs rw 2 2
/dev/ad0s1g /export/home ufs rw 2 2
devfs /var/named/dev devfs rw 0 0
linprocfs /usr/compat/linux/proc linprocfs rw 0 0
^^^^ Haha!!!
It seems that the linprocfs prevents umounting of /usr because its
mountpoint /usr/compat/linux/proc is de facto INSIDE /usr.
I've checked this while in SUM: When umounting linprocfs prior to
/usr, no problems occur.
I'll speak to Mr. Tritter so he can stop his investigations. Seems
that we found the reason.
Thanks for your help.
Seems that I'm too stupid to own a computer. :-)
--
Polytropon
>From Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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