From owner-freebsd-questions  Mon May 31  4:53:37 1999
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Date: Mon, 31 May 1999 13:57:15 +0200
From: Andrzej Szydlo <andrzej@gv.edu.pl>
To: Sivma <info@sivma.ru>
Cc: freebsd-questions@freebsd.org
Subject: Re: Crash
References: <00dc01beab32$63e7e950$370a0a0a@valert.sivma.ru>
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On Mon, May 31, 1999 at 10:54:11AM +0400, Sivma wrote:
> My FBSD box crashed when I work  with cdrom.
> For example:
> 
> # mount /cdrom
> # cd /cdrom
> # umount -f /cdrom
> # cd ..
> CRASH !!! CRASH !!! CRASH !!! CRASH !!! CRASH !!!  (kernel panic)
> 
> If I replace last command with cd / FBSD work properly.

It would be nice if it didn't crash, but forcing umount of busy filesystems
may cause the above problems. Don't use -f, leave the filesystem before
you umount it.

Andrzej


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