Re: runit upgrades and halt rather than reboot

[Gerrit Pape <pape@smarden.org>]

On Fri, Feb 03, 2006 at 09:45:29AM -0700, Vincent Danen wrote:
> * Gerrit Pape <pape@smarden.org> [2006-02-03 15:40:31 +0000]:
> > > I'm encountering a really odd problem.  When I upgrade runit, when I do
> > > a "reboot" or "init 6", runit goes into poweroff mode rather than
> > > reboot.  I'm gearing up to put out my next version of Annvix so am doing
> > > some testing and we upgraded from runit 1.3.1 to 1.3.3 and on each test
> > > instance (2 x86 and 1 x86_64), once all the packages were upgraded
> > > (including runit), when I did reboot (the first two) and "init 6" (the
> > > last one), they powered off.
> > > 
> > > I'm not sure if this is because the /sbin/init binary changed or what,
> > > but it's *really* annoying, particularly since I know some folks who use
> > > Annvix at remote locations (myself as well) and a trip to the colo to
> > > turn the machine on after the upgrade would, well, stink.  =)
> > > 
> > > Any ideas as to what might be the problem and how I can rectify it?
> > > After that reboot, runit is fine... reboot works as advertised, as does
> > > halt, etc.  But it's just that one reboot after it's been upgraded that
> > > is problematic.
> > 
> > I'm not sure from your description.  With a preliminary runit Debian
> > package, on shutdown after package upgrade, the root filesystem wasn't
> > unmounted cleanly, because /sbin/runit was replaced.  The workaround is
> > to first copy /sbin/runit to /sbin/runit.old, then replace /sbin/runit.
> > After reboot, /sbin/runit.old can be removed again.  Maybe it's worth a
> > try.
> 
> Hmmm...  that might not be a bad idea to try.  So instead of running
> reboot/halt/shutdown, run "init.old 6" (I renamed runit to init).

No, you can still use `init 6` with the new binary.  It's just that the
old, still running, /sbin/init still has an inode on the filesystem;
that's what the copy is for.  I'm not sure it solves your problem
though.

> I'll give that a try, Gerrit.  It makes things a bit messy, but nothing
> a startup script can't check for and cleanup.

I have this in /etc/runit/1
 rm -f /sbin/runit.old

Regards, Gerrit.