Date: Fri, 19 Mar 2010 11:44:31 GMT From: Ulf Heiman <freebsdlists@permissiondenied.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/144869: Instant kernel panic when adding NAT rules using ipfw on em interfaces Message-ID: <201003191144.o2JBiVFM095222@www.freebsd.org> Resent-Message-ID: <201003191150.o2JBo1FW023281@freefall.freebsd.org>
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>Number: 144869 >Category: kern >Synopsis: Instant kernel panic when adding NAT rules using ipfw on em interfaces >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Mar 19 11:50:01 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Ulf Heiman >Release: 8.0-STABLE >Organization: >Environment: FreeBSD rommie.permissiondenied.org 8.0-STABLE FreeBSD 8.0-STABLE #0: Fri Mar 19 09:36:17 CET 2010 root@rommie.permissiondenied.org:/usr/obj/usr/src/sys/GENERIC i386 >Description: When adding two simple ipfw nat rules on em0 the kernel instantly panics and the server reboots. The issue can be avoided by running 'ifconfig em0 -rxcsum' prior to adding the ipfw nat rules. >How-To-Repeat: After a fresh reboot run the following commands: kldload ipfw_nat ipfw nat 1 config if em0 same_ports ipfw add 10000 nat 1 ip from any to any via em0 >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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