[UFO Chicago] APM on sid
Fri, 10 Aug 2001 22:59:09 -0500
Fawad Halim wrote:
> 1. Why does Mandrake power down while Debian doesn't.
Interesting related note: RH6.2 automatically powered off on halt(8).
RH7.1 does not. Yet, if I select the "Halt" option from the Gnome log
out dialog, the machine /is/ powered off. I've been wondering at this
for a while but your email prompted me to look at the halt man page,
which I hereby quote:
halt, reboot, poweroff - stop the system.
/sbin/halt [-n] [-w] [-d] [-f] [-i] [-p]
/sbin/reboot [-n] [-w] [-d] [-f] [-i]
/sbin/poweroff [-n] [-w] [-d] [-f] [-i]
Halt notes that the system is being brought down
in the file /var/log/wtmp, and then either tells
the kernel to halt, reboot or poweroff the system.
If halt or reboot is called when the system is not
in runlevel 0 or 6, shutdown(8) will be invoked
instead (with the flag -h or -r).
[sniped for brevity]
-p When halting the system, do a poweroff.
This is the default when halt is called as
Under older sysvinit releases, reboot and halt
should never be called directly. From release 2.74
on halt and reboot invoke shutdown(8) if the system
is not in runlevel 0 or 6. This means that if halt
or reboot cannot find out the current runlevel
(for example, when /var/run/utmp hasn't been
initialized correctly) shutdown will be called,
which might not be what you want. Use the -f flag
if you want to do a hard halt or reboot.
So, I'm thinking I ought to try out the poweroff variant...
Mmmmmmm... I'm liking that -n option. NOT! I don't see what use that
option is for other than testing fsck.
> 2. How do I find out what compilation options the
> mandrake folks used to compile their kernel?
Not that it helps your situation, but RedHat has started including all
their configs for their kernels:
elliot@nil 3 10:54:12 0> l --width=70 /usr/src/linux-2.4/configs