Disabled known-bad BIOS revisions

Nate Lawson nate at root.org
Mon Aug 16 16:58:11 PDT 2004

Riccardo Torrini wrote:
> On Sun, Aug 15, 2004 at 09:07:50PM -0700, Nate Lawson wrote:
>>Try booting with "unset acpi_load" so that acpi is not even loaded. 
> Ahemmm, I'm sorry, but I read the next message and updated my BIOS
> before any other test  :-(  Anyway with kernel/world after end of
> june it boot only if:
> - add hint.acpi.0.disabled="0"
> or
> - use a kernel _without_ option SMP/option apic
>>Does your system work then?  If so, the problem that needs to be
>>fixed is booting with ACPI disabled and is a bug.  I find it hard
>>to believe that your system was designed to not work without ACPI
>>since it is from 1999.
> After a BIOS upgrade it works so I think it doesn't matter.  If you
> really need a report from my old bios I'd think to revert to old one
> (but only if you _really_ _really_ need it  :-)
> No need to remove.  It is a specific version that broke ACPI boot.
> After an update from 1014.beta001a to 1014.beta003 works again.
> Thanks for your time.

That's why the first advice in the ACPI debuging handbook entry is 
"upgrade your BIOS."  :)  It would be good to fix why we couldn't boot 
with acpi disabled on the old BIOS.  I'm guessing it was an error in 
your system's MADT.


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