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Date: Wed, 13 Feb 2002 03:17:58 -0800 (PST)
From: Paul Crawford <paul.crawford@attcanada.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: FTP session causes server reboot
X-Send-Pr-Version: www-1.0

>Number:         34902
>Category:       i386
>Synopsis:       FTP session causes server reboot
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 13 03:20:01 PST 2002
>Closed-Date:    Sat Jul 12 15:13:14 PDT 2003
>Last-Modified:  Sat Jul 12 15:13:14 PDT 2003
>Originator:     Paul Crawford
>Release:        4.5-RELEASE
>Organization:
>Environment:
FreeBSD xxxx.mtun.phub.net.cable.rogers.com 4.5-RELEASE FreeBSD 4.5-RELEAS
E #0: Mon Jan 28 14:31:56 GMT 2002     murray@builder.freebsdmall.com:/usr/src/s
ys/compile/GENERIC  i386
>Description:
I have an automated script running on another machine that starts an FTP session on my FreeBSD server, runs the binary command and executes a put command.  Everytime this script is executed (at 3:00AM) I get the following panic and the FreeBSD server reboots:

Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x0
fault code		= supervisor write, page not present
instruction pointer	= 0x8:0xc02ddc0b
stack pointer	        = 0x10:0xc6444eb0
frame pointer	        = 0x10:0xc6444acc
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		= 1315 (sendmail)
interrupt mask		= none
trap number		= 12
panic: page fault

The fault occured in the generic kernel at the following function:
# nm -n /kernel | grep c02ddc
c02ddc60 T vm_map_stack     
>How-To-Repeat:
This is repeated the next time the script is executed.       
>Fix:
      
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: iedowse 
State-Changed-When: Sun Dec 1 14:29:31 PST 2002 
State-Changed-Why:  

Is this still reproducable on more recent releases? 

http://www.freebsd.org/cgi/query-pr.cgi?pr=34902 
State-Changed-From-To: feedback->closed 
State-Changed-By: kris 
State-Changed-When: Sat Jul 12 15:12:34 PDT 2003 
State-Changed-Why:  
Feedback timeout 

http://www.freebsd.org/cgi/query-pr.cgi?pr=34902 
>Unformatted:
