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Re: /rescue/init for alternative (Re: CVScommit:src/share/man/man8)
> On Tue, 21 Oct 2008, Izumi Tsutsui wrote:
> > How about this change (taken from kern_subr.c:setroot())?
> This looks useful. As far as I can tell, you are doing two things:
> * if no usable init program can be found, set the RB_ASKNAME
> flag and prompt for the init path;
> * when prompting for the init path, support the special strings
> "halt", "reboot", and "ddb".
Yes, thank you for summarizing.
> At present, the RB_ASKNAME prompt for the filesystem type supports the
> special halt/reboot/ddb strings, but the prompts for the root device and
> dump device do not. Should that also be changed?
I think it's already done in parsedisk() via getdisk()
called from setroot().
> Perhaps the code to
> parse the halt/reboot/ddb strings can be abstracted into a function.
Maybe, but I'm a bit lazy ;-)
> I can't find documentation for the current way the kernel looks for init
> (the string "oinit" does not apear in any man page). Perhaps it should
> be added to boot(8)?
And new rescue(8)?
It seems 4.4BSD-Lite2 already had /sbin/oinit in *initpaths,
and prompt for init(8) on lookup failure was added in rev 1.202.
Furthermore, fallback to RB_ASKNAME on lookup failure of root device
was added in rev 1.95.
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