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Date: Thu, 8 Jun 95 00:05 CDT
From: uhclem@nemesis.lonestar.org
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To: FreeBSD-gnats-submit@freebsd.org
Cc: uhclem%nemesis@fw.ast.com
Subject: CTRL-ALT-DEL at config> prompt causes trap 12  [FDIV026]
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>Number:         501
>Category:       kern
>Synopsis:       CTRL-ALT-DEL at config> prompt causes trap 12  [FDIV026]
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jun  8 06:40:00 1995
>Closed-Date:    Sun Jul 30 10:17:30 PDT 1995
>Last-Modified:  Sun Jul 30 10:19:31 PDT 1995
>Originator:     Frank Durda IV
>Release:        FreeBSD 2.0-BUILT-19950527 i386
>Organization:
>Environment:

FreeBSD 2.0-BUILT-19950527 i386

>Description:

Boot: kernel -c
Config> Press CTRL-ALT-DEL   (I was hoping for a reset or no action))

Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x29
fault code = supervisior read, page not present
instruction pointer = 0x8:0xf010f135
code segment = base 0x0, limit 0xfffff, type 0x1b
	     = DPL 0, pres 1, def32 1, gran 1
processor eflags = resume IOPL = 0
current process = 0 ()
interrupt mask = net tty bio
panic: page fault



>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: davidg 
State-Changed-When: Sun Jul 30 10:17:30 PDT 1995 
State-Changed-Why:  
This was caused by pfind() returning NULL in shutdown_nice() and the 
NULL not checked for before attempting to send the signal to init. The 
bug has been fixed in rev 1.11 of kern_xxx.c. 
>Unformatted:


