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Re: How often to update /boot on i386 updates? Other files?

Bernd Ernesti <> writes:

> On Sat, Dec 26, 2009 at 07:23:59PM -0500, Greg Troxel wrote:
>> writes:
>> It's not just /boot, but also bootxx_*.

> this part is not ok because you can have your own options while using
> installboot(8).

True, so one needs to be careful and store the options, or have
installboot not change the options on update.

>> > Is there any substantial risk to updating /boot with/after every
>> > distribution install?
>> There's always the risk of trouble, but kernel and /sbin/init could be
>> trouble too.  /boot does not have a history of being scary.
> There was some trouble in the last months when it went over a 64k size.

Good point; I forgot that.

>> > Matthias Scheler suggests that:
>> > "After the 6.0 release most users should have a module aware
>> > boot loader"
>> > (see:
>> >
>> > How does that happen?
>> Indeed - it usually seems one needs a /boot and maybe bootxx_foo from a
>> relatively recent system to boot the next one.
> Hmm, the one change here which requires an update from an older version
> was the modules. If you use a kernel without MODULAR support it still
> would have worked.

Sure, but I meant the change somewhere between 2.0 to 4.0 on sparc.  I
tend to upgrade systems in place for years and so have had some really
ancient (1.6) bootblocks.

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