Re: acpi=off and acpi_get_firmware_table

[Shaohua Li]

On Wed, 2005-05-11 at 21:59 -0500, Corey Minyard wrote:
> Shaohua Li wrote:
> 
> >On Wed, 2005-05-11 at 12:21 -0500, Corey Minyard wrote:
> >  
> >
> >>In 2.6.12-rc4, I added acpi=off to the kernel command line and it 
> >>panic-ed in acpi_get_firmware_table, called from the IPMI driver.
> >>
> >>The attached patch fixes the problem, but it still spits out ugly 
> >>"ACPI-0166: *** Error: Invalid address flags 8" errors.  So I doubt the 
> >>patch is right, but maybe it points to something else.
> >>
> >>Is it legal to call acpi_get_firmware_table if acpi is off?  If not, how 
> >>can I tell that acpi is off?
> >>    
> >>
> >Please check 'acpi_disabled' variable.
> >  
> >
> acpi_disabled is not available on ia64.  It doesn't seem to be a 
> standard interface.  So that's not an option.
It always return 0 in IA64. IA64 can't disable ACPI.

Thanks,
Shaohua

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