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From: Zbigniew Komarnicki <cblasius@gmail.com>
To: freebsd-questions@freebsd.org
Date: Sat, 27 Jun 2009 16:02:17 +0200
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Subject: Re: kernel panic  - umount xfs partition
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...
> # mount -t xfs -o ro /dev/ad0s2 /mnt
> # ls /mnt
> # cp /mnt/my_file /home/zbigniew

I forgot add here that I do then
# umount /mnt

and after that was kernel panic.

I'm sorry for the mistake.

Zbigniew