http://bugzilla.kernel.org/show_bug.cgi?id=7961





------- Additional Comments From [EMAIL PROTECTED]  2007-02-08 12:56 -------
Well that was a fun morning.

Built the patched version, installed it, and nothing changed.

At that point I figured it probably wasn't the kernel but something else,
so I proceded to turn off one service after another in chkconfig and
reboot.  Turning off acpi and acpid didn't do anything, but turning
of "haldaemon" allowed the power button to work following a "poweroff".
Assuming the system would go down all the way, which it often wouldn't do.
It would lock up in "Sending all processes the TERM signal", or
"Sending all processes the KILL signal", both of which are calls to
killall5.  In one instance it rebooted and then crashed in the BIOS,
something I've never seen before.  I was logged in on the console (no
X11) at the time all of these strange "won't shut down normally" issues 
arose.  In the end I used chkconfig to disable all of the following:

acpi, acpid, harddrake, haldaemon, wltool, messagebus, mandi

and now it seems to poweroff and reboot reliably from an rsh from another node.
I can't really say which of these is responsible for the ill behavior, it
might well be an interaction between more than one of them.

Also for the record, for unknown reasons the module asus_acpi was loading.
This is a Tyan motherboard and there's just no reason to load that.  It didn't
load on a Gigabyte motherboard also running Mandriva 2007.  Since I couldn't
see what was loading this module, to stop it from loading asus_acpi.ko was
removed from the /lib/modules directory tree.  I made this change very early and
can't say for sure if it helped or not.

Finally, even with nothing in /etc/rc.d/init.d explicitly loading acpi modules
button, fan, etc. are still loading.  Perhaps kacpid is doing that? 

Thanks for your help.

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