Can't poweroff with shutdown -p now

[alte...@gmail.com]

Hi,

I've run in a problem lately with powering off my system. It happens only if
dbus and hal services are running.
I can do shutdown -p now when:
1) I boot in single mode. System halts and power offs
2) I'm running kde4.3 and stop hal and dbus (I don't know yet which is causing
problems)

When those services are running and I execute shutdown -p now system halts and
prints

The operating system has halted.
Please press any key to reboot.

I've had runned on this machine Vista and Debian and PC-BSD, all three of them
could power off system.

Is this related to hald or dbus?
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[Deniz]

My thought is that it is related to ACPI. Same happens to me on my laptop.
Did you try it with acpi turned off?

[Robert Huff]

Deniz writes:

> My thought is that it is related to ACPI. Same happens to me on
> my laptop. Did you try it with acpi turned off?

Is there somwething going on with state-of-the-market machines
that our ACPI doesn't account for?
The reason I ask: I recently build a new FreeBSD box using the
ASRock AOD790GX. Like the venerable (2001 vintage) machine it
replaced, "shutdown -p" works fine. However, with "shutdown -r" the
shutdown part works but not the reboot. (Otherwise a nice board.)
I'm willing to believe there's a BIOS setting that would fix
this; I just wish I knew what it was.

Robert Huff

[Daniel O'Connor]

On Thu, 26 Nov 2009, Robert Huff wrote:
> shutdown part works but not the reboot. (Otherwise a nice board.)
> I'm willing to believe there's a BIOS setting that would fix
> this; I just wish I knew what it was.

I've had Supermicro C2SBA's stall there before I updated to the latest
BIOS.

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
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[Matt Thyer]

2009/11/26 Robert Huff <rober...@rcn.com>:

I'm using an Acer Veriton T661 system at work and have noticed
unreliable "shutdown -p now" behavior too.
Sometimes the system will reboot instead of powering off, sometimes it
will not power off and sometimes it works fine.

I cant be sure if this started when I got that machine or when I
upgraded to the Xorg that requires dbus and hal as I got the machine
at the same time.

I'd just put it down to the Acer BIOS but I know that Ubuntu 9.04
x86_64 does not have this problem on the same machine.

Matthew