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Date:      Mon, 23 Jun 2003 12:30:31 -0700 (PDT)
From:      Mark Kent <mark@noc.mainstreet.net>
To:        freebsd-stable@freebsd.org
Subject:   Re: SMP goes away after installworld (4.8-STABLE)
Message-ID:  <200306231930.h5NJUV9A033232@noc.mainstreet.net>
In-Reply-To: <200306231712.h5NHCota096855@noc.mainstreet.net> (message from Mark Kent on Mon, 23 Jun 2003 10:12:50 -0700 (PDT))
References:  <200306200105.h5K154N9028043@noc.mainstreet.net> <200306231712.h5NHCota096855@noc.mainstreet.net>

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>> I've concluded now that SMP support is a goner in the current
>> 4.8-stable.

Zounds!   I just booted the same machine/OS and saw this:

SMP: AP CPU #1 Launched!

which made me think I must have booted off the backup 4.8-release
disk... but No, it's the 4.8-stable that I've been complaining about.

In my xterm I still have the next-to-last reboot:
 
 FreeBSD/i386 bootstrap loader, Revision 0.8 
 (mark@lah-210.mainstreet.net, Fri Jun 20 11:52:38 PDT 2003) 
 Loading /boot/defaults/loader.conf 
 |/kernel text=0x24fd42 data=0x31f20+0x2ff94 syms=[0x4+0x35cc0+0x4+0x3d015] 
 \ 
 Hit [Enter] to boot immediately, or any other key for command prompt. 
 Booting [kernel]... 
 Copyright (c) 1992-2003 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 4.8-STABLE #0: Fri Jun 20 12:04:11 PDT 2003 
     mark@lah-210.mainstreet.net:/usr/obj/usr/src/sys/MDK 
 Timecounter "i8254"  frequency 1193182 Hz 
 CPU: Intel Pentium III (746.15-MHz 686-class CPU) 
   Origin = "GenuineIntel"  Id = 0x683  Stepping = 3 
   Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE> 
 real memory  = 1073676288 (1048512K bytes) 
 avail memory = 1040842752 (1016448K bytes) 
 Programming 24 pins in IOAPIC #0 
 IOAPIC #0 intpin 2 -> irq 0 
 FreeBSD/SMP: Multiprocessor motherboard 
  cpu0 (BSP): apic id:  0, version: 0x00040011, at 0xfee00000 
  io0 (APIC): apic id:  1, version: 0x00170011, at 0xfec00000 
 Preloaded elf kernel "kernel" at 0xc0427000. 

and it comes up with just one CPU active.

Here is the last:

 FreeBSD/i386 bootstrap loader, Revision 0.8 
 (mark@lah-210.mainstreet.net, Fri Jun 20 11:52:38 PDT 2003) 
 Loading /boot/defaults/loader.conf 
 |/kernel text=0x24fd42 data=0x31f20+0x2ff94 syms=[0x4+0x35cc0+0x4+0x3d015] 
 \ 
 Hit [Enter] to boot immediately, or any other key for command prompt. 
 Booting [kernel]... 
 Copyright (c) 1992-2003 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 4.8-STABLE #0: Fri Jun 20 12:04:11 PDT 2003 
     mark@lah-210.mainstreet.net:/usr/obj/usr/src/sys/MDK 
 Timecounter "i8254"  frequency 1193182 Hz 
 CPU: Intel Pentium III (746.15-MHz 686-class CPU) 
   Origin = "GenuineIntel"  Id = 0x683  Stepping = 3 
   Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,PN,MMX,FXSR,SSE> 
 real memory  = 1073676288 (1048512K bytes) 
 avail memory = 1040842752 (1016448K bytes) 
 Programming 24 pins in IOAPIC #0 
 IOAPIC #0 intpin 2 -> irq 0 
 FreeBSD/SMP: Multiprocessor motherboard 
  cpu0 (BSP): apic id:  1, version: 0x00040011, at 0xfee00000 
  cpu1 (AP):  apic id:  0, version: 0x00040011, at 0xfee00000  <<--- hooray! 
  io0 (APIC): apic id:  2, version: 0x00170011, at 0xfec00000 
Preloaded elf kernel "kernel" at 0xc0427000.
 <snip> 
 SMP: AP CPU #1 Launched! 

The only difference between the two boots is the disgust I felt
when I turned it off for the weekend between the two reboots.

-mark



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