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Date:      Mon, 27 Jun 2016 23:58:14 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        Jakub Lach <jakub_lach@mailplus.pl>
Cc:        FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: What are current dependencies of cd9660 kernel module?
Message-ID:  <CANCZdfqzV7DC34rGT7QxLbgqM%2BA_ZdVKBQcveQNqUieo89mOkg@mail.gmail.com>
In-Reply-To: <1467092336283-6109948.post@n5.nabble.com>
References:  <1467053628941-6109797.post@n5.nabble.com> <CAN6yY1tY8ygn5hMtYX36OzJfry_Nv%2BQ7gCku4TjA5O5FwJKz8g@mail.gmail.com> <1467056804437-6109817.post@n5.nabble.com> <1467067188002-6109896.post@n5.nabble.com> <1467092336283-6109948.post@n5.nabble.com>

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On Mon, Jun 27, 2016 at 11:38 PM, Jakub Lach <jakub_lach@mailplus.pl> wrote:
> Hello again,
>
> After a rebuild (so also powercycling), I've loaded the module just fine.
> I wonder what state the system was before, but now works.

The usual cause of this is updating the kernel w/o updating modules. Or
you did an installkernel w/o a reboot. The cd9660 module only depends
n the kernel version because all modules depend on that to guard against
such foot shooting. Chances are good a simple reboot would have fixed
this. There's some anti-footshooting code to load it from kernel.old, but
I've not tested that in years, so maybe it's no longer working (or you did
multiple installkernels.

Warner



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