[Bug 225423] panic: softdep_deallocate_dependencies: dangling deps

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225423

Warner Losh <imp at FreeBSD.org> changed:

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                 CC|                            |imp at FreeBSD.org

--- Comment #23 from Warner Losh <imp at FreeBSD.org> ---
The issue is well understood. We've hit an error. We have dirty buffers that
are interdependent. We can't just throw them away because of that
interdependence, but have to carefully unwind the dependency tree. That code
hasn't been written yet, and rather than continue when we know we've lost data,
we panic. This panic is known to be too aggressive because we also know that
there's no that the data could be flushed to media because the media is gone,
never to return. There's no patches available (unless Kirk has some I've not
noticed).

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