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Date: Sat, 26 Feb 2000 12:05:43 -0800 (PST)
From: fukuhara@im.uec.ac.jp
To: freebsd-gnats-submit@FreeBSD.org
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Subject: kern/17011: Fatal trap 12 occur, dhclient with BOOTP kernel
Sender: owner-freebsd-bugs@FreeBSD.ORG
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>Number:         17011
>Category:       kern
>Synopsis:       Fatal trap 12 occur, dhclient with BOOTP kernel
>Confidential:   no
>Severity:       critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Feb 26 12:10:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     FUKUHARA Makoto
>Release:        3.4-RELEASE
>Organization:
>Environment:
FreeBSD  3.4-RELEASE FreeBSD 3.4-RELEASE #0: Fri Feb 25 19:30:41 GMT 2000     root@:/usr/src/sys/compile/BOOTP2  i386
>Description:
I use diskless PC and kernel with BOOTP support.
IP address is set by DHCP, but if I execute
(of cource this is nonsense)
dhcpclient fxp0

result is
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x3e
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01ed0cc
stack pointer           = 0x10:0xc5eadbc0
frame pointer           = 0x10:0xc5eadba4
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         = 205 (sh)
interrupt mask          = net bio cam
trap number             = 12
panic: page fault

syncing disks... 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 giving up
Automatic reboot in 15 seconds - press a key on the console to abort

from dmesg:
fxp0: <Intel EtherExpress Pro 10/100B Ethernet> rev 0x08 int a irq 10 on pci0.9.0
fxp0: Ethernet address 00:90:27:c1:dc:03

bootpc_init: using network interface 'fxp0'
Bootpc testing starting
bootpc hw address is 0:90:27:c1:dc:3

>How-To-Repeat:
execute
dhclient fxp0
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:


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