I'm still working on my 7.2 installation, of course. On the expectation
that the LFS init process hasn't changed much, I'm wondering at the
rationale, and the confusion created around runlevel S.
You're now using rcS.d in place of rcsysinit.d. /etc/inittab says:
...
"si::sysinit:/etc/rc.d/init.d/rc S
l0:0:wait:/etc/rc.d/init.d/rc 0
l1:S1:wait:/etc/rc.d/init.d/rc 1"
...
"init(8)" (which hasn't been updated since 2004!) says:
...
(1)
"Runlevel S is not really meant to be used directly, but more for
the scripts that are executed when entering runlevel 1."
...
(2)
"Runlevel S or s bring the system to single user mode and do not require
an /etc/inittab file. In single user mode, /sbin/sulogin is invoked on
/dev/console."
...
(3)
"When init is requested to change the runlevel, it sends the warning
signal SIGTERM to all processes that are undefined in the new runlevel.
It then waits 5 seconds before forcibly terminating these processes via
the SIGKILL signal."
...
(4)
"BOOTFLAGS
It is possible to pass a number of flags to init from the boot
monitor (eg. LILO). Init accepts the following flags:
-s, S, single
Single user mode boot. In this mode /etc/inittab is
examined and the bootup rc scripts are usually run before
the single user mode shell is started."
So init(8) itself is introducing some confusion because what it
claims init is doing in quote 3 above is being done through the
rc script. I get that if one doesn't jump to conclusions, what
LFS is doing means runlevel S (which doesn't need to be in inittab
according to (2) above) and "single" in the kernel parameters has
nothing to do with rcS.d. My question is about the rationale for
introducing that possible confusion. Why was that a good thing?
Is init(8) just so out of date it's wrong?
--
Paul Rogers
[email protected]
Rogers' Second Law: "Everything you do communicates."
(I do not personally endorse any additions after this line. TANSTAAFL :-)
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