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To: smp@freebsd.org
Subject: Re: Crashing on activating other CPUs 
In-reply-to: Your message of "Tue, 03 Dec 1996 21:53:29 MET."
             <E0vVAGv-0000q5-00@uruk.org> 
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Date: Wed, 04 Dec 1996 13:35:40 +0100
From: Terje Normann Marthinussen <Terje.N.Marthinussen@cc.uit.no>
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>...and full dump messages run by before it freezes solid (and a reset is
>necessary).  No variation on SMP_INVLTLB or APIC_IO seems to change the
>above behavior.

Our 4 CPU Netserver works without SMP_INVLTLB and APIC_IO (the latter
has never worked). With SMP_INVLTLB, I get something similar the
moment I do "sysctl -w kern.smp_active=2".

SMP: AP CPU #1 LAUNCHED!!  Starting Scheduling...
cpunumber = 0
instruction pointer     = 0x8:0xf01b632d
stack pointer           = 0x10:0xefbfffa4
frame pointer           = 0x10:0xefbfd5e8
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, IOPL = 0
current process         = 149 (sshd@386freebsd2)
interrupt mask          = 
panic (cpu#0): unknown/reserved trap
boot() called on cpu#0

syncing disks... 5 5 2 done
Automatic reboot in 15 seconds - press a key on the console to abort


Terje Marthinussen
terjem@cc.uit.no