SMP problems with -CURRENT? (and BETA5)

David D.W. Downey david.downey at gmail.com
Mon Sep 20 07:13:46 PDT 2004


On Mon, 20 Sep 2004 16:07:45 +0200, Oliver Brandmueller <ob at e-gitt.net> wrote:
> Hi again.
> 
> On Mon, Sep 20, 2004 at 03:36:03PM +0200, Oliver Brandmueller wrote:
> > I see the same here with my kernel. Apparently I dot not yet try to
> > switch of HTT and stuff like that. This is a Dual Xeon with HTT enabled
> > at the moment.
> 
> OK, I had HTT disabled and saw as the last message before hang (on a
> dual Xeon)
> 
> SMP: AP CPU #1 Launched!
> 
> Now I enabled HTT and the I see:
> 
> SMP: AP CPU #1 Launched!
> SMP: AP CPU #2 Launched!
> SMP: AP CPU #3 Launched!
> 
> However, booting without ACPI worked. So it seems that this is the
> direction, where we have to look for the problem:
> 
> Copyright (c) 1992-2004 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>         The Regents of the University of California. All rights reserved.
> FreeBSD 5.3-BETA5 #10: Mon Sep 20 12:59:45 CEST 2004
>     root at champagne.eusc.inter.net:/usr/obj/usr/src/sys/CHAMPAGNE
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2392.05-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9
> 
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>   Hyperthreading: 2 logical CPUs
> real memory  = 2146959360 (2047 MB)
> avail memory = 2099662848 (2002 MB)
> MPTable: <         SE7501CW2>
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  6
> 


OK, let's go with that possibility, what is the ACPI level your board
supports? ACPI v1.0 or v2.0? Like this board supports 1.0 and 2.0
available via a BIOS control knob.

Let's start by tracking the ACPI version in use first and go from there.


-- 
David D.W. Downey


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