[Bug 340071] Re: /etc/rcS.d/S07resolvconf is too early

[Brian J. Murrell]

On Fri, 2009-05-08 at 05:51 +0000, Wladimir Mutel wrote:
> Probably that's why it is strongly recommended to point your /etc/resolvconf/run to /lib/init/rw/resolvconf

*I* should do that?  I've never pointed it anywhere.  The package has
decided where it should be and put it there.

> /lib/init/rw is very similar to /var/run , but it is available even
earlier in the boot process, specially for these purposes.

OK.  So why is it not being used, and/or previous installations being
converted to use it?

> Just look into resolvconf postinstallation script and find this out
for your self.

Hrm.  I don't see that.  If everything falls through to the "it's not
there (yet)" case:

		# It's a nonexistent
		# Use /var/run.
		if \
			[ -d /var/run ] \
			&& [ -w /var/run ] \
			&& grep -qs "^tmpfs[[:space:]]\+/var/run[[:space:]]\+tmpfs[[:space:]]\+\([^[:space:]]\+,\)\?rw" /proc/mounts \
			&& { [ -d /var/run/resolvconf ] || mkdir -v /var/run/resolvconf ; } \
			&& { [ -d /var/run/resolvconf/interface ] || mkdir -v /var/run/resolvconf/interface ; }
		then
			ln -s /var/run/resolvconf /etc/resolvconf/run
		else
			mkdir -v /etc/resolvconf/run /etc/resolvconf/run/interface
		fi

So that looks to me like it's using /var/run if nothing else.

The only time it appears to use /lib/init/rw/ is if /dev/shm/resolvconf
was being used previously.

> And may be resolvconf postinst script should be more insistent about
> checking where this symlink points and switching it to /lib/init/rw/ in
> case of any violations.

Yes.  If all installations are supposed to use /lib/init/rw then IMHO,
the postinst should be moving existing installations there.

-- 
/etc/rcS.d/S07resolvconf is too early
https://bugs.launchpad.net/bugs/340071
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