linux-kernel - Re: halt does not shut the system down

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Message-ID: <3efb10970710091304g30ab5549u84a092d4de40368b@mail.gmail.com>
Date:	Tue, 9 Oct 2007 22:04:48 +0200
From:	"Remy Bohmer" <linux@...mer.net>
To:	"John Sigler" <linux.kernel@...e.fr>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	robert.moore@...el.com, len.brown@...el.com
Subject: Re: halt does not shut the system down

Hello John,

> John Sigler wrote:
> > When I run 'halt' the kernel prints:
> > Halting.
> > Shutdown: hdc
> > ACPI: PCI interrupt for device 0000:01:05.0 disabled
> > ACPI: PCI interrupt for device 0000:01:04.0 disabled
> > ACPI: PCI interrupt for device 0000:01:03.0 disabled
> > ACPI: PCI interrupt for device 0000:01:02.0 disabled
> > Power down.
> > acpi_power_off called
> >
> > But the system does not shut down. (The fans keep spinning, the LEDs

I have seen this behavior earlier on a system with the SMI interrupt
disabled. I do not know if this the case here, it is just a hint.
By the way, some distros bring the CPU in a halted state on a 'halt'
command, instead of powering off (actually very logical). For real
powering off these distros require the obvious 'poweroff' command.

Some long shots, maybe it helps...

Kind Regards,

Remy
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