svn commit: r334970 - head

[Warner Losh]

On Mon, Jun 11, 2018 at 1:52 PM, Rodney W. Grimes <
freebsd at pdx.rh.cn85.dnsmgr.net> wrote:

> [ Charset UTF-8 unsupported, converting... ]
> > Author: imp
> > Date: Mon Jun 11 19:32:40 2018
> > New Revision: 334970
> > URL: https://svnweb.freebsd.org/changeset/base/334970
> >
> > Log:
> >   Document the dump issue in UPDATING so people understand when they
> >   get a new diagnostic.
> >
> > Modified:
> >   head/UPDATING
> >
> > Modified: head/UPDATING
> > ============================================================
> ==================
> > --- head/UPDATING     Mon Jun 11 19:32:36 2018        (r334969)
> > +++ head/UPDATING     Mon Jun 11 19:32:40 2018        (r334970)
> > @@ -32,6 +32,13 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW:
> >       "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
> >
> >
> > +20180611:
> > +     A bug in dump has been found where it can incorrectly dump
> filesystems
> > +     with more than 512k inodes and produce corrupted dump images.
> r334968
> > +     closes the door by not dumping filesystems with more than 512k
> inodes.
> > +     While older dumps may 'work' the image they produce may or may not
> be
> > +     readable depending on many factors.
> > +
>
> Does it make since to put a temporary warning in newfs to warn users
> of the "may bot be able to dump this fs" issue?
>

It does.

However, there may have been an error in assessment, which I'm working
through now. If so, there will be a revert.

Warner