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Date: Tue,  4 Feb 2003 00:12:49 +0300 (MSK)
From: Vsevolod@host2.pochemu.ru, Gavrilenko@host2.pochemu.ru
Reply-To: gvj@corbina.net
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: Kernel panic in unpredictable moments
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         47871
>Category:       kern
>Synopsis:       Kernel panic in unpredictable moments
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Feb 03 13:20:09 PST 2003
>Closed-Date:    Fri Aug 15 21:41:12 PDT 2003
>Last-Modified:  Fri Aug 15 21:41:12 PDT 2003
>Originator:     Vsevolod Gavrilenko
>Release:        FreeBSD 4.7-STABLE i386
>Organization:
>Environment:

SuperMicro 6012-P8
CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2395.92-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf27  Stepping = 7
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,C
MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Hyperthreading: 2 logical CPUs
real memory  = 1073217536 (1048064K bytes)
avail memory = 1041006592 (1016608K bytes)
em0: <Intel(R) PRO/1000 Network Connection, Version - 1.4.10> port 0x3000-0x303f
 mem 0xfc200000-0xfc21ffff irq 16 at device 3.0 on pci2
em0:  Speed:10 Mbps  Duplex:Half
em1: <Intel(R) PRO/1000 Network Connection, Version - 1.4.10> port 0x3040-0x307f
 mem 0xfc220000-0xfc23ffff irq 17 at device 3.1 on pci2
em1:  Speed:N/A  Duplex:N/A
ahd0: <Adaptec AIC7902 Ultra320 SCSI adapter> port 0x4000-0x40ff,0x4400-0x44ff m
em 0xfc300000-0xfc301fff irq 18 at device 2.0 on pci3
aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs
ahd1: <Adaptec AIC7902 Ultra320 SCSI adapter> port 0x4800-0x48ff,0x4c00-0x4cff m
em 0xfc302000-0xfc303fff irq 19 at device 2.1 on pci3
aic7902: Ultra320 Wide Channel B, SCSI Id=7, PCI 33 or 66Mhz, 512 SCBs

System: FreeBSD forcas.pochemu.ru 4.7-STABLE FreeBSD 4.7-STABLE #9: Mon Feb 3 00:02:23 MSK 2003 admin@forcas.pochemu.ru:/usr/obj/usr/src/sys/FORCAS i386


>Description:
	During work the box got kernel panic:

Fatal trap 12: page fault while in kernel mode
mp_lock = 02000002; cpuid = 2; lapic.id = 01000000
fault virtual address   = 0x6c
fault code              = supervisor write, page not present
instruction pointer     = 0x8:0xc0283e11
stack pointer           = 0x10:0xe07fddc8
frame pointer           = 0x10:0xe07fdde8
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 17744 (suexec)
interrupt mask          = none <- SMP: XXX
trap number             = 12
panic: page fault
mp_lock = 02000002; cpuid = 2; lapic.id = 01000000
boot() called on cpu#2

c0283e00 T s_lock
c0283e04 t setlock		<------------
c0283e25 t wait
c0283e2c t gotit
c0283e30 t bad_slock
c0283e42 t bsl1
c0283e70 T s_lock_try
c0283e8c T s_unlock
c0283e98 T s_lock_np
c0283eb0 T s_unlock_np
c0283ebc T generic_bzero
c0283ed8 T i686_pagezero


>How-To-Repeat:
	n/a
>Fix:
	n/a

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: kris 
State-Changed-When: Mon Jul 14 01:54:51 PDT 2003 
State-Changed-Why:  
This is usually due to failing or marginal hardware.  Do you 
see other unexplained application failures on this machine? 
Have you checked and replaced all the hardware components? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=47871 
State-Changed-From-To: feedback->closed 
State-Changed-By: kris 
State-Changed-When: Fri Aug 15 21:41:00 PDT 2003 
State-Changed-Why:  
Feedback timeout 

http://www.freebsd.org/cgi/query-pr.cgi?pr=47871 
>Unformatted:
