panic: APIC: Previous IPI is stuck

John Baldwin jhb at FreeBSD.org
Thu Sep 9 12:10:45 PDT 2004


On Wednesday 08 September 2004 12:39 pm, Andy Farkas wrote:
> 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?

Try changing the consant to -1.  Note that I apparently just managed to 
trigger a hard lockup on my test machine here with that change, but it had 
managed to run for about 20 hours under heavy load that panic'd in a few 
hours on a stock kernel.

> 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,CM
>OV> 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
>
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-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org


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