Panic on umount -f

[Kris Kennaway]

Michael Lednev wrote:
> Hello, freebsd-questions.
> 
> After the following actions:
> 1. Insert USB Flash
> 2. mount_msdosfs /dev/da0s1 /mnt
> 3. Remove USB Flash
> 4. umount -f /mnt
> 
> I have kernel panic every time. Is this a known issue? My system is
> FreeBSD 7.0-RC1 from 1.01.2008.
> 

Yes, long-standing issue with unexpected mounted device removal.  Don't 
do that :)

Kris