Mandriva 2007, permanent poweroff
A rack of 20 Mandriva 10.1 nodes is to be upgraded to
Mandriva 2007. So far I've done one node, which was a
complete wipe of /boot and / and then a network install
of Mandriva 2007.
Now the strange thing, after this upgrade "poweroff" on
the test node takes it down to a state where the front
power button is ignored. To power up again one must unplug
the machine, count to 20, then plug it back in again and
press the power button. That's S0 where it should be S5, or
the other way around, I can never keep them straight.
On the 10.1 ones the system will boot following a "poweroff".
The computers have a Tyan S2466 motherboard, single AMD MP 2200+,
BIOS 4.06 (the latest available for that board).
The kernel on the old ones was 126.96.36.199 (I built that one).
The kernel on the new ones is 2.6.17-8mdv.
Another machine, an old(er) Athlon 850Mhz, with a
Gigabyte motherboard and kernel 2.6.17-8mdv will
poweroff correctly. That is, it can be turned back on from
the front panel.
I noticed that the old ones have /proc/acpi/sleep and the new
ones don't - but then neither of the new ones has it and the
older of the two can do a proper "poweroff" anyway. Nothing
special in the boot parameters, they are both:
In /var/log/dmesg both of the Mandriva 2007 ones say:
ACPI: (supports S0 S1 S4 S5)
Re: Mandriva 2007, permanent poweroff
David Mathog wrote:
> Now the strange thing, after this upgrade "poweroff" on
> the test node takes it down to a state where the front
> power button is ignored. To power up again one must unplug
> the machine, count to 20, then plug it back in again and
> press the power button.[/color]
After a lot of work, and much help at the kernel level from
Alexey Starikovskiy, the solution turned out to be using
to turn off all of these:
acpi, acpid, harddrake, haldaemon, wltool, messagebus, mandi
and also to move asus_acpi.ko out of the /lib/modules tree. I have
no idea why the asus module was loading (this being a Tyan motherboard)
but it was.
Along the way, with various combinations of the above services turned
on I observed some incredibly bizarre misbehavior on this system. While
logged onto the console (not in X11) either "reboot" or "poweroff" would
often lock at "Sending all processes the KILL signal...", which is
killall5. Once or twice it locked at the message before, "Sending all
processes the TERM signal...". In one instance it rebooted and then
crashed in the BIOS. With all of these services disabled it seems to
run reliably now. Additionally, when acpid was running it was possible
to shutdown the system by pushing the front panel button, but then the
next "poweroff" would lock at the "KILL signal" message.