kernel config question
Robert Huff
roberthuff at rcn.com
Thu Jan 3 01:01:27 UTC 2019
John Baldwin writes:
> - [8] In order to have a kernel that can run the 4.x binaries needed to
> - do an installworld, you must include the COMPAT_FREEBSD4 option in
> - your kernel. Failure to do so may leave you with a system that is
> - hard to boot to recover. A similar kernel option COMPAT_FREEBSD5 is
> - required to run the 5.x binaries on more recent kernels. And so on
> - for COMPAT_FREEBSD6 and COMPAT_FREEBSD7.
> + [8] The new kernel must be able to run existing binaries used by
> + an installworld. When upgrading across major versions, the new
> + kernel's configuration must include the correct COMPAT_FREEBSD<n>
> + option for existing binaries (e.g. COMPAT_FREEBSD11 to run 11.x
> + binaries). Failure to do so may leave you with a system that is
> + hard to boot to recover. A GENERIC kernel will include suitable
> + compatibility options to run binaries from older branches.
Maybe not perfect, but _much_ better.
Thanks.
Respectfully,
Robert Huff
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