On 2017/01/10 12:39, Ertan Küçükoglu wrote: > These old days, for a make world, handbook was saying that after successful > compilation of world and kernel, we install kernel and then reboot into > single user mode. > Current handbook is saying that we build world, kernel. Then install kernel > and drop into single user mode. No testing of newly build kernel.
ITYM: https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html ? That description certainly does appear to be a bit inconsistent. Specifically step 5 says: "Drop the system into single-user mode in order to minimize problems from updating any binaries that are already running. It also minimizes any problems from running the old world on a new kernel. # shutdown now" But if you follow the commands as shown, you're still running the old kernel and just about to overwrite the old world with a new one at this point... Either Step 5 should specify '# shutdown -r now' and select 'Single User' from the boot menu, or the sentence about 'old world on a new kernel' should be amended. As to whether a reboot into single user mode is always necessary? A lot of the time it probably isn't -- if you're running -STABLE or -RELEASE, you're not upgrading over a major version change or some other large delta in versions, and you're not making any kernel configuration changes, then you're probably OK. Otherwise, if you're on -CURRENT or making significant changes then definitely test the new kernel in single user mode before installing the rest of the world. Or use ZFS boot environments. Cheers, Matthew
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