Subject: kern/16467: kernel panic
To: None <gnats-bugs@gnats.netbsd.org>
From: None <smb@research.att.com>
List: netbsd-bugs
Date: 04/23/2002 21:03:43
>Number:         16467
>Category:       kern
>Synopsis:       kernel panic
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Apr 23 18:05:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Steven M. Bellovin
>Release:        NetBSD 1.5.3
>Organization:
AT&T Labs Research
>Environment:
	
	
System: NetBSD berkshire.research.att.com 1.5.3 NetBSD 1.5.3 (BERKSHIRE.nosound) #0: Mon Apr 22 21:41:27 EDT 2002 smb@berkshire.research.att.com:/usr/src/sys/arch/i386/compile/BERKSHIRE.nosound i386
Architecture: i386
Machine: i386
>Description:
	During a resume from sleep, on restarting ntpd from /etc/apm/resume,
	the system panicked with 

	panic: pmap_unwire: invalid (unmapped) va
	#0  0x100 in ?? ()
	(gdb) bt
	#0  0x100 in ?? ()
	#1  0xc02cdf03 in cpu_reboot (howto=256, bootstr=0x0)
	    at ../../../../arch/i386/i386/machdep.c:1175
	#2  0xc0187641 in panic ()
	#3  0xc02d4783 in pmap_unwire ()
	#4  0xc02bcf84 in uvm_fault_unwire_locked ()
	#5  0xc02bf825 in uvm_unmap_remove ()
	#6  0xc02bec19 in uvm_unmap ()
	#7  0xc02c82a4 in uvm_deallocate ()
	#8  0xc0176c3f in exit1 ()
	#9  0xc0176afc in sys_exit ()
	#10 0xc02d63d0 in syscall ()
	#11 0xc0100fd1 in syscall1 ()

>How-To-Repeat:
	Not sure if it's reproducible -- I hope not...
>Fix:
	
>Release-Note:
>Audit-Trail:
>Unformatted: