SMP goes away after installworld (4.8-STABLE)

[Onyi C. Ejiasa]

Mark,

Can we check out your kernel config?

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  ----- Original Message ----- 
  From: Mark Kent 
  To: freebsd-stable at freebsd.org 
  Sent: Thursday, June 19, 2003 7:05 PM
  Subject: SMP goes away after installworld (4.8-STABLE)


  Hello,

  I installed 4.8-RELEASE a few weeks ago, and since I let
  the effort sit stagnant for a while I decided to do the 
  cvsup/buildworld/buildkernel/installkernel/installworld/mergemaster/MAKEDEV
  steps to get current.

  Went fine, rebooted, then noticed that just one CPU was recognized:

   FreeBSD 4.8-STABLE #0: Thu Jun 19 17:05:20 PDT 2003 
       mark at lah-210.mainstreet.net:/usr/src/sys/compile/MDK 
   FreeBSD/SMP: Multiprocessor motherboard 
    cpu0 (BSP): apic id:  0, version: 0x00040011, at 0xfee00000 
    io0 (APIC): apic id:  1, version: 0x00170011, at 0xfec00000 

  I confirmed my kernel config was OK, rebuilt it, rebooted
  and got the same result.  I also looked at 'mptable' and 'top'
  to make sure.

  I boot off my backup disk and I get:

   FreeBSD 4.8-RELEASE #0: Thu May 29 14:48:37 PDT 2003 
       mark at lah-210.mainstreet.net:/usr/src/sys/compile/MDK 
   FreeBSD/SMP: Multiprocessor motherboard 
    cpu0 (BSP): apic id:  1, version: 0x00040011, at 0xfee00000 
    cpu1 (AP):  apic id:  0, version: 0x00040011, at 0xfee00000 
    io0 (APIC): apic id:  2, version: 0x00170011, at 0xfec00000 

  So, there it is.  Both cpu (also present in mptable and top).
  I confirmed that the kernel config is identical.

  Any idea what I screwed up on the way to 4.8-STABLE that
  lost me the SMP?

  Thanks,
  -mark
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