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Subject: panic: APIC: Previous IPI is stuck
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My box is still crashing with above APIC panic when I do a
make -j4 buildworld.

In file src/sys/i386/i386/local_apic.c I tried increasing
BEFORE_SPIN to 100000000 but it still panics.

Any suggestions on why this is happenning?


FreeBSD 5.3-BETA3 #1: Wed Sep  8 00:37:07 EST 2004

Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Pentium Pro (198.95-MHz 686-class CPU)
   Origin = "GenuineIntel"  Id = 0x619  Stepping = 9
Features=0xfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV>
real memory  = 536870912 (512 MB)
avail memory = 519897088 (495 MB)
MPTable: <INTEL    ALDER       >
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
  cpu0 (BSP): APIC ID:  0
  cpu1 (AP): APIC ID:  1
  cpu2 (AP): APIC ID:  2
  cpu3 (AP): APIC ID:  4
ioapic0: Assuming intbase of 0
ioapic1: Assuming intbase of 16
ioapic1 <Version 1.1> irqs 16-31 on motherboard
ioapic0 <Version 1.1> irqs 0-15 on motherboard
...


-andyf