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Date: Tue, 9 Jan 2001 20:27:23 -0800 (PST)
From: dustinh@webtrends.com
To: freebsd-gnats-submit@FreeBSD.org
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Subject: i386/24210: compaq dl360 hangs with smp kernel
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>Number:         24210
>Category:       i386
>Synopsis:       compaq dl360 hangs with smp kernel
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jan 09 20:30:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Dustin Harris
>Release:        4.2-STABLE
>Organization:
WebTrends Corporation
>Environment:
FreeBSD eldiablo.pdx.webtrends.com 4.2-STABLE FreeBSD 4.2-STABLE #1: Wed Jan 10
03:18:24 GMT 2001     root@eldiablo.pdx.webtrends.com:/usr/src/sys/compile/GENER
IC  i386

>Description:
SMP kernel hangs on boot on a Compaq DL360 (dual PIII-800, 512MB RAM).  Patch from PR 19338 was reported to have fixed thise problem with SMP and the DL360 and was applied to the stable branch on 12/8/2000 by peter@freebsd.org.  The output below does show that the workaround code from that patch is being executed (/usr/src/sys/i386/i386/mp_machdep.c).

Boot looks like this:

FreeBSD 4.2-STABLE #2: Wed Jan 10 03:33:18 GMT 2001
    root@eldiablo.pdx.webtrends.com:/usr/src/sys/compile/GENERIC-SMP
Timecounter "i8254"  frequency 1193182 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (797.48-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x683  Stepping = 3
  Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PA
T,PSE36,MMX,FXSR,SSE>
real memory  = 536854528 (524272K bytes)
avail memory = 518397952 (506248K bytes)
APIC_IO: MP table broken: 8259->APIC entry missing!
Changing APIC ID for IO APIC #0 from 0 to 8 on chip
Programming 35 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
IOAPIC #0 intpin 24 -> irq 2

Note that the system does work correctly in 4.2-STABLE with a non-SMP kernel.

>How-To-Repeat:
Update system from 4.2-RELEASE to 4.2-STABLE as of January 8th.  Build a GENERIC SMP kernel by uncommenting the SMP and APIC_IO options and removing all cpu lines except I686_CPU.


>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:


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