Re: further IO-APIC oddities

[William Lee Irwin III]

At some point in the past, I wrote:
>> Strange thing happened when I booted the latest x86 discontigmem stuff.
>> The stuff where the IO-APIC ID's showed up as zeroed out went away,
>> and io_apic.c just bitched about the MPC table entries because it
>> doesn't realize that physid's of IO-APIC's mean squat on this box.
>> *AND* whatever was scribbling over that table & zeroing it out went
>> away. That bug is reproducible on more garden variety machines too.
>> If someone who knows how to read the IO-APIC map dumps is around,
>> I've included the boot log below.

On Thu, Aug 08, 2002 at 10:56:28AM -0700, Martin J. Bligh wrote:
> I can kind of read them if I really squint, but what are you trying
> to see / fix?

It's different from 2.5.29, I can follow up with that. 2.5.29 saw all 0's,
so whatever it was that was scribbling over the MPC table and making the
ID's all 0, it's scribbling on something else now (probably mem_map).

Cheers,
Bill