From owner-freebsd-bugs  Tue Nov 21 10:10: 7 2000
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Date: Tue, 21 Nov 2000 10:02:31 -0800 (PST)
From: term@rmci.net
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Subject: kern/23010: Kernel panic, signal 12 page fault while using 4.1.1 bridging+ipfw bandwidth limiting
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>Number:         23010
>Category:       kern
>Synopsis:       Kernel panic, signal 12 page fault while using 4.1.1 bridging+ipfw bandwidth limiting
>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 Nov 21 10:10:00 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     term
>Release:        4.1.1-RELEASE
>Organization:
RMCI
>Environment:
[firewall:~]$ uname -a
FreeBSD firewall.spo.velocitus.com 4.1.1-RELEASE FreeBSD 4.1.1-RELEASE #0: Tue Nov 21 10:29:02 GMT 2000     root@firewall.spo:/usr/src/sys/compile/FIREWALL  i386
[firewall:~]$ 
>Description:
After executing the following firewall ruleset the system gets a kernel panic.

ipfw -f flush
ipfw -f pipe flush
ipfw add 1 pipe 1 ip from 192.168.0.0:255.255.255.0 to 0.0.0.0/0
ipfw add 1 pipe 1 ip from 0.0.0.0/0 to 192.168.0.0:255.255.255.0
ipfw pipe 1 config bw 204Kbit/s

>How-To-Repeat:
Execute the above rule set with bridging+ipfw+dummynet enabled on FreeBSD 4.1.1 and start to transfer data acrost the bridge
>Fix:
I know this doesn't happen on 4.0-R.

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


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