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Message-Id: <200302251252.h1PCqxHJ011255@dilbert.robbins.dropbear.id.au>
Date: Tue, 25 Feb 2003 23:52:59 +1100 (EST)
From: Tim Robbins <tim@robbins.dropbear.id.au>
Reply-To: Tim Robbins <tim@robbins.dropbear.id.au>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: netipx panics when changing interface address
X-Send-Pr-Version: 3.113
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>Number:         48666
>Category:       kern
>Synopsis:       netipx panics when changing interface address
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Feb 25 05:00:22 PST 2003
>Closed-Date:    Fri Apr 04 00:48:42 PST 2003
>Last-Modified:  Fri Apr 04 00:48:42 PST 2003
>Originator:     Tim Robbins
>Release:        FreeBSD 5.0-RELEASE
>Organization:
The FreeBSD Project
>Environment:
System: FreeBSD 5.0-RELEASE
>Description:
Kernel panics when the IPX address on a network interface is changed.

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xdeadc142
fault code              = supervisor write, page not present
instruction pointer     = 0x8:0xc022f511
stack pointer           = 0x10:0xc5fd1bac
frame pointer           = 0x10:0xc5fd1bd8
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, IOPL = 0
current process         = 477 (ifconfig)

>How-To-Repeat:
Build and boot a kernel with "options IPX". Perform these commands:
ifconfig lnc0 ipx 0
ifconfig lnc0 ipx 1

(substitute lnc0 for another interface as appropriate)

>Fix:

Not known.
>Release-Note:
>Audit-Trail:

From: "Tim Robbins" <tim@robbins.dropbear.id.au>
To: <FreeBSD-gnats-submit@FreeBSD.org>
Cc:  
Subject: kern/48666: netipx panics when changing interface address
Date: Tue, 25 Feb 2003 23:52:59 +1100 (EST)

 >Number:         48666
 >Category:       kern
 >Synopsis:       netipx panics when changing interface address
 >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 Feb 25 05:00:22 PST 2003
 >Closed-Date:
 >Last-Modified:
 >Originator:     Tim Robbins
 >Release:        FreeBSD 5.0-RELEASE
 >Organization:
 The FreeBSD Project
 >Environment:
 System: FreeBSD 5.0-RELEASE
 >Description:
 Kernel panics when the IPX address on a network interface is changed.
 
 Fatal trap 12: page fault while in kernel mode
 fault virtual address   =3D 0xdeadc142
 fault code              =3D supervisor write, page not present
 instruction pointer     =3D 0x8:0xc022f511
 stack pointer           =3D 0x10:0xc5fd1bac
 frame pointer           =3D 0x10:0xc5fd1bd8
 code segment            =3D base 0x0, limit 0xfffff, type 0x1b
                         =3D DPL 0, pres 1, def32 1, gran 1
 processor eflags        =3D interrupt enabled, IOPL =3D 0
 current process         =3D 477 (ifconfig)
 
 >How-To-Repeat:
 Build and boot a kernel with "options IPX". Perform these commands:
 ifconfig lnc0 ipx 0
 ifconfig lnc0 ipx 1
 
 (substitute lnc0 for another interface as appropriate)
 
 >Fix:
 
 Not known.
 >Release-Note:
 >Audit-Trail:
 >Unformatted:
 
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State-Changed-From-To: open->patched 
State-Changed-By: tjr 
State-Changed-When: Tue Feb 25 07:11:20 PST 2003 
State-Changed-Why:  
I ended up fixing this bug myself. I'll MFC the fix after RELENG_4 
is unfrozen. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=48666 
State-Changed-From-To: patched->closed 
State-Changed-By: tjr 
State-Changed-When: Fri Apr 4 00:48:13 PST 2003 
State-Changed-Why:  
Fixed in -stable. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=48666 
>Unformatted:
