Re: System broken after full-upgrade: please help!
On Sun, 10 Aug 2014 15:23:06 -0400
Tom H <tomh0665@gmail.com> wrote:
> On Sun, Aug 10, 2014 at 10:26 AM, The Wanderer <wanderer@fastmail.fm>
> wrote:
> > On 08/10/2014 10:15 AM, Tom H wrote:
> >> On Sun, Aug 10, 2014 at 9:29 AM, The Wanderer
> >> <wanderer@fastmail.fm> wrote:
> >>> On 08/10/2014 09:26 AM, Tom H wrote:
> >>>>
> >>>> halt/poweroff/reboot have called shutdown at least since
> >>>> 6/squeeze.
> >>>
> >>> Ah, so that may be a Debian-specific behavior, rather than an
> >>> upstream one?
> >>>
> >>> That might explain the discrepancy, if so.
> >>>
> >>> If not, perhaps the environment in question is simply using older
> >>> versions of those tools, which do not yet invoke 'shutdown'...
> >>
> >> It's in the BSDs that halt&co don't call shutdown. It's been called
> >> in sysvinit for a long time.
> >
> > It's entirely possible that that environment in question does not
> > use sysvinit even in part, so it's not entirely impossible that it's
> > actually using halt etc. from a non-sysvinit source. I'll have to
> > investigate if I decide it's worth the bother to find out.
> >
> > Thanks for the information; this is a potentially interesting puzzle
> > where I didn't even realize one might exist.
>
> You're welcome.
>
> FTR, even sysvinit 2.57 in pre-buzz had the note about this being a
> version where using halt&co is OK.
>
>
To add a little topical flavour here, all of the stop commands are now
dependent on a daemon. If the daemon don't run, the computer don't
stop. Obviously, this is a fault condition, but it happened to me a
week or so ago. Fortunately, my computer hardware still has a power
switch, and filesystems have had journals for some time...
--
Joe
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