Date: Fri, 14 Oct 2005 05:29:26 GMT From: Chris Dionissopoulos <dionch@freemail.gr> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/87421: KERNEL PANIC: ng_ether +ng_eiface + if_bridge Message-ID: <200510140529.j9E5TQ6B071280@www.freebsd.org> Resent-Message-ID: <200510140530.j9E5UHBe035629@freefall.freebsd.org>
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>Number: 87421
>Category: misc
>Synopsis: KERNEL PANIC: ng_ether +ng_eiface + if_bridge
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Oct 14 05:30:17 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator: Chris Dionissopoulos
>Release: FreeBSD6-BETA5
>Organization:
>Environment:
FreeBSD mail.local 6.0-BETA5 FreeBSD 6.0-BETA5 #4: Fri Sep 30 19:10:42 EEST 2005 root@mail.local:/usr/obj/usr/src/sys/MAIL i386
>Description:
I get a kernel panic when i'm using if_bridge bridge0 interface with 2 virtuals (ng_eiface) and one physical (xl0).
The panic message is:
sbflush_locked: cc 0 || mb 0xc1aa2400 || mbcnt 512
>How-To-Repeat:
kldload ng_ether
kldload ng_eiface
#create a bridge & 2 virtuals
ifconfig bridge0 create
ngctl mkpeer . eiface hook ether
ngctl mkpeer . eiface hook ether
# give them some settings
ifconfig ngeth0 ether 01:02:03:04:05:00
ifconfig ngeth0 192.168.1.2/24
ifconfig ngeth1 ether 01:02:03:04:05:01
ifconfig ngeth1 192.168.3.2/24
ifconfig bridge0 addm ngeth0 addm ngeth1 addm xl0
ifconfig bridge0 up
# Count traffic using ipfw
ipfw add 1 count ip from any to any in recv ngeth0
ipfw add 1 count ip from any to any out xmit ngeth0
ipfw add 2 count ip from any to any in recv ngeth1
ipfw add 2 count ip from any to any out xmit ngeth1
ipfw add 3 count ip from any to any in recv bridge0
ipfw add 4 count ip from any to any out xmit bridge0
and wait a few seconds for kernel to panic.
Traffic flows via physical(xl0) when i shoot these commands.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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