Re: how to debug a kernel that does not power off?

[Robert Hancock]

On 03/26/2010 01:56 PM, Arnout Vandecappelle wrote:
>   Take a look at the pm_power_off functions in arch/x86/kernel/apm_32.c
>
>   Regards,
>   Arnout

Any modern machine will be using ACPI functions to power off, not APM.. 
CCing the linux-acpi list.

> On Wednesday 24 March 2010 00:44:30, Ákos Maróy wrote:
> > Hi,
> >
> > This might be a lame question, but: how would I debug a kernel that
> > simply does not power off a machine? When powering off, on the console I
> > get to the message: [...] Poweroff.
> >
> > but then, the machine actually does not power off. This is an HP Envy 15
> > laptop using an intel i7 CPU, and kernel 2.6.32.9.
> >
> > I tried to read up on all sorts of documentation, but could not get more
> > debug info out of the kernel :(
> >
> > any pointers would be welcome..
> >
> >
> > Akos
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