Re: port-amd64/38478: panic on boot when attaching cpu17

["Christoph Egger" <Christoph_Egger%gmx.de@localhost>]

The following reply was made to PR port-amd64/38478; it has been noted by GNATS.

From: "Christoph Egger" <Christoph_Egger%gmx.de@localhost>
To: gnats-bugs%NetBSD.org@localhost, netbsd-bugs%netbsd.org@localhost, 
gnats-admin%netbsd.org@localhost,
 port-amd64-maintainer%netbsd.org@localhost
Cc: 
Subject: Re: port-amd64/38478: panic on boot when attaching cpu17
Date: Tue, 22 Apr 2008 13:14:02 +0200

 >  > cpu17 at mainbus0 apid 34
 >  > panic: cpu at apic id 34 already attached?
 >  
 >  The code does not handle APIC IDs > 31 yet. Perhaps we should
 >  look at modifying usr/include/bitstring.h to work on 32 bit
 >  quantities, and to do atomic operaitons. As a start I think we
 >  should stop using the APIC ID to identify CPUs for pure software
 >  operations.
 
 Further, CPU enumeration via ACPI are different on some BIOSes
 in the world. We need a APIC <-> ACPI mapping table and
 use ACPI IDs for ACPI operations.
 
 -- 
 
 Christoph