Re: FreeBSD cannot power down
--- On Tue, 12/2/08, Unga <[EMAIL PROTECTED]> wrote: > From: Unga <[EMAIL PROTECTED]> > Subject: FreeBSD cannot power down > To: freebsd-questions@freebsd.org > Date: Tuesday, December 2, 2008, 11:22 PM > Hi all > > After a kernel recompilation on i386 RELENG_7 (not the > latest), I cannot power down the machine. > > kldstat shows acpi.ko is loaded. > > It used to switch off but now the "shutdown -p > now" halts the system with following messages: > The operating system has halted. > Please press any key to reboot. > > What else could I check to identify the cause? > > Appreciate your ideas on this. > I found /dev/acpi is missing. I may have sure made a mistake somewhere. What is the proper fix to get the /dev/acpi? Best regards Unga ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: FreeBSD cannot power down
On Thu, Dec 04, 2008 at 03:42:51AM -0800, Unga wrote:
> --- On Tue, 12/2/08, Unga <[EMAIL PROTECTED]> wrote:
>
> > From: Unga <[EMAIL PROTECTED]>
> > Subject: FreeBSD cannot power down
> > To: freebsd-questions@freebsd.org
> > Date: Tuesday, December 2, 2008, 11:22 PM
> > Hi all
> >
> > After a kernel recompilation on i386 RELENG_7 (not the
> > latest), I cannot power down the machine.
> >
> > kldstat shows acpi.ko is loaded.
> >
> > It used to switch off but now the "shutdown -p
> > now" halts the system with following messages:
> > The operating system has halted.
> > Please press any key to reboot.
> >
> > What else could I check to identify the cause?
> >
> > Appreciate your ideas on this.
> >
>
> I had a look at source code. The program flow seems to be is as follows:
>
> shutdown => (signals) init => reboot() => boot() => shutdown_final =>
> shutdown_halt() => cpu_halt()
>
> I did not see which function is called to request a power down.
>
> The __asm__ ("hlt") doesn't power down, isn't it?
>
> Could you guys help me to identify how shutdown request a power down.
>
HLT is just an old power-saving instruction that was traditionally run
in the idle loop. From reading the code it looks like the system
should be powered off during poweroff_wait but I can't see where ACPI is
told to remove power. You might get more help by asking on the
freebsd-acpi list.
--
Bruce Cran
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Re: FreeBSD cannot power down
--- On Tue, 12/2/08, Unga <[EMAIL PROTECTED]> wrote:
> From: Unga <[EMAIL PROTECTED]>
> Subject: FreeBSD cannot power down
> To: freebsd-questions@freebsd.org
> Date: Tuesday, December 2, 2008, 11:22 PM
> Hi all
>
> After a kernel recompilation on i386 RELENG_7 (not the
> latest), I cannot power down the machine.
>
> kldstat shows acpi.ko is loaded.
>
> It used to switch off but now the "shutdown -p
> now" halts the system with following messages:
> The operating system has halted.
> Please press any key to reboot.
>
> What else could I check to identify the cause?
>
> Appreciate your ideas on this.
>
I had a look at source code. The program flow seems to be is as follows:
shutdown => (signals) init => reboot() => boot() => shutdown_final =>
shutdown_halt() => cpu_halt()
I did not see which function is called to request a power down.
The __asm__ ("hlt") doesn't power down, isn't it?
Could you guys help me to identify how shutdown request a power down.
Many thanks in advance.
Unga
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FreeBSD cannot power down
Hi all After a kernel recompilation on i386 RELENG_7 (not the latest), I cannot power down the machine. kldstat shows acpi.ko is loaded. It used to switch off but now the "shutdown -p now" halts the system with following messages: The operating system has halted. Please press any key to reboot. What else could I check to identify the cause? Appreciate your ideas on this. Kind regards Unga ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
