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From: Ildar Hizbulin <hizel@vyborg.ru>
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Subject: conf/187696: After upgrade 9.1->9.2 boot deadlock if ipv4_addrs_IF
 contains invalid values
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>Number:         187696
>Category:       conf
>Synopsis:       After upgrade 9.1->9.2 boot deadlock if ipv4_addrs_IF contains invalid values
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 18 12:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Ildar Hizbulin
>Release:        9.2-RELEASE-p3
>Organization:
Ariadna-Link, JSC
>Environment:
FreeBSD vpn2.vyborg.ru 9.2-RELEASE-p3 FreeBSD 9.2-RELEASE-p3 #3 r262241: Thu Feb 20 22:41:39 MSK 2014     root@vpn2.vyborg.ru:/usr/obj/usr/src/sys/VPN2  amd64
>Description:
After upgrade FreeBSD from 9.1->9.2 deadlocking boot if ipv4_addrs_IF contains invalid values like "-txcsum"

ifalias_af_common_handler function goes into an infinite loop on "-txcsum" value
>How-To-Repeat:
Add to rc.conf 

ipv4_addrs_em0="192.168.0.1/24 192.168.1.1/24 -txcsum"

replace em0 existing interface name
>Fix:


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