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Add the most vital piece of information WRT upgrading past the

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statfs changes: you must have COMPAT_FREEBSD4 in your kernel
config file. Everything else is documented procedure and will
not save your ass if you don't have the option.
This commit is contained in:
Marcel Moolenaar 2003-11-14 22:11:44 +00:00
parent 02c1c7070e
commit 3f631d528c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=122709
1 changed files with 11 additions and 5 deletions
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@ -24,11 +24,17 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 5.x IS SLOW:
`make world' as the new kernel will know about binaries using
the old statfs structure, but an old kernel will not know
about the new system calls that support the new statfs
structure. Running an old kernel after a `make world' will
cause programs such as `df' that do a statfs system call to
fail with a bad system call. Marco Wertejuk <wertejuk@mwcis.com>
also reports that cfsd (ports/security/cfs) needs to be
recompiled after these changes are installed.
structure.
Note that the backwards compatibility is only present when the
kernel is configured with the COMPAT_FREEBSD4 option. Since
even /bin/sh will not run with a new kernel without said option
you're pretty much dead in the water without it. Make sure you
have COMPAT_FREEBSD4!
Running an old kernel after a `make world' will cause programs
such as `df' that do a statfs system call to fail with a bad
system call. Marco Wertejuk <wertejuk@mwcis.com> also reports
that cfsd (ports/security/cfs) needs to be recompiled after
these changes are installed.
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