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Date:      Wed, 31 Mar 2004 19:36:18 -0700
From:      "Cassidy B. Larson" <butch@infowest.com>
To:        freebsd-amd64@freebsd.org
Subject:   SMP issues on K8S Pro S2882G3NR
Message-ID:  <1080786978.406b80221fd5f@webmail2.infowest.com>

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Hello,

We just got our new Dual Opteron 246 box and I'm having some problems getting
our second CPU to load correctly with a SMP kernel.

Wondering if anybody could offer some assistance, or pointers.

Using the Tyan K8S Pro S2882G3NR board. 3ware 8506 4 port SATA card. 

I've also tried Disabling ACPI in the kernel and bios, then one at a time.

Below are partial dmesg, mptable and kern config.   Unfortunately, with
different combinations of the NO_MIXED_MODE on and off and acpi enabled and
disabled, I am unable to get SMP to launch our second CPU for use. 

Anybody experienced the same problem?? Would -CURRENT be ideal over 5.2.1-p4 for
me?  Note that the GENERICicized SMP kernel also does not launch the second
processor.

Any pointers, helpful hints, etc? 

Thanks,

-c


Partial dmesg:

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 5.2.1-RELEASE-p4 #7: Wed Mar 31 16:10:21 MST 2004
cbl@azul.infowest.com:/usr/obj/usr/src/sys/AZUL.INFOWEST.COM
Preloaded elf kernel "/boot/kernel/kernel" at 0xffffffff80557000.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Opteron(tm) Processor 246 (1991.41-MHz K8-class CPU)
Origin = "AuthenticAMD"  Id = 0xf58  Stepping = 8
Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
AMD Features=0xe0500000<NX,MMX+,LM,3DNow!+,3DNow!>
real memory  = 3221225472 (3072 MB)
avail memory = 3063418880 (2921 MB)
pcib0: <Host to PCI bridge> at pcibus 0 on motherboard


mptable processors entry:

MP Config Base Table Entries:
--
Processors:     APIC ID Version State           Family  Model   Step    Flags
                 0       0x10    BSP, usable     15      5       8      
0x78bfbff
                 1       0x10    AP, usable      15      5       8      
0x78bfbff

So I see that mptable seems to see both processors, am I assuming correct here?

Partial kernel config:

machine         amd64
cpu             HAMMER
ident           AZUL_INFOWEST_COM
maxusers        0

makeoptions     NO_MODULES=not_yet

options         SCHED_4BSD              #4BSD scheduler
options         INET                    #InterNETworking
options         IPSEC                   #IPSEC
options         FFS                     #Berkeley Fast Filesystem
options         SOFTUPDATES             #Enable FFS soft updates support
options         UFS_ACL                 #Support for access control lists
options         UFS_DIRHASH             #Improve performance on big directories
options         CD9660                  #ISO 9660 Filesystem
options         PROCFS                  #Process filesystem (requires PSEUDOFS)
options         PSEUDOFS                #Pseudo-filesystem framework
options         IA32                    #Compatible with i386 binaries
options         COMPAT_FREEBSD4         #Compatible with FreeBSD4
options         SCSI_DELAY=5000         #Delay (in ms) before probing SCSI
options         KTRACE                  #ktrace(1) support
options         SYSVSHM                 #SYSV-style shared memory
options         SYSVMSG                 #SYSV-style message queues
options         SYSVSEM                 #SYSV-style semaphores
options         IPFIREWALL
options         IPDIVERT                #divert sockets
options         _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time
extensions
options         KBD_INSTALL_CDEV        # install a CDEV entry in /dev

## SMP Stuff:
options         SMP

#device          acpi
device          atpic                   # 8259A compatability
#options         NO_MIXED_MODE           # Don't penalize working chipsets



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