No apologies neccessary :-). You may be right with respect to FreeBSD.
In his BSD class Kirk describes a forcible unmount as a perfectly legitimate
thing to do (albeit a bit traumatic for the users). It may just be a regression
that crept in and, seeing as it is something that people seldom want to do, no
one saw a need to fix it.
-Kip
> OK. That's not what I was told but back in 96 or so,but I suppose the
> code is allowed to change. My apologies. :-)
>
> Could you please prepare a dump of this? See the developers' handbook
> for details, or follow the pointers from the FAQ. Thanks!
>
> On Tue, Mar 26, 2002 at 07:20:37AM -0800, Kip Macy wrote:
> > That is a bug. The system is supposed to iterate through all the vnodes hanging
> > off the mount point and vgone them. According to Kirk at least this used to
> > work.
> >
> > -Kip
> >
> >
> > On Tue, 26 Mar 2002, Michael Lucas wrote:
> >
> > > Hello,
> > >
> > > Forcibly unmounting a file system that is in use will panic your
> > > system. It's not exactly a bug, it's just how it works. :)
> > >
> > > On Tue, Mar 26, 2002 at 10:24:01AM +0200, Apache Man wrote:
> > > > Hi.
> > > >
> > > > As i informed you earler the bug exists in freebsd 4.5.
> > > > Kernel panics with `vm_object_reference: delay in getting object'
> > > > when i copy files from a partition and at the same time dismount
> > > > this partition (umount -f /cdrom).
> > > >
> > > > The sutuation is following.
> > > > I mount /cdrom. Then start too many `cp' processes that copy
> > > > some files from /cdrom. In other tty i umount -f /cdrom and
> > > > kernel panics.
> > > >
> > > > Sorry if it's known bug.
> > > >
> > > > --
> > > > email: [EMAIL PROTECTED]
> > > >
> > > >
> > > > To Unsubscribe: send mail to [EMAIL PROTECTED]
> > > > with "unsubscribe freebsd-hackers" in the body of the message
> > >
> > > --
> > > Michael Lucas [EMAIL PROTECTED], [EMAIL PROTECTED]
> > > my FreeBSD column: http://www.oreillynet.com/pub/q/Big_Scary_Daemons
> > >
> > > http://www.blackhelicopters.org/~mwlucas/
> > >
> > > To Unsubscribe: send mail to [EMAIL PROTECTED]
> > > with "unsubscribe freebsd-hackers" in the body of the message
> > >
>
> --
> Michael Lucas [EMAIL PROTECTED], [EMAIL PROTECTED]
> my FreeBSD column: http://www.oreillynet.com/pub/q/Big_Scary_Daemons
>
> http://www.blackhelicopters.org/~mwlucas/
>
> To Unsubscribe: send mail to [EMAIL PROTECTED]
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>
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