Date: Wed, 19 Jan 2011 04:45:39 GMT From: George Michaelson <ggm@apnic.net> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/154134: stuck kernel state in LISTEN on ipv6 daemon which has been killed Message-ID: <201101190445.p0J4jd1i045834@red.freebsd.org> Resent-Message-ID: <201101190450.p0J4o7wJ062827@freefall.freebsd.org>
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>Number: 154134 >Category: amd64 >Synopsis: stuck kernel state in LISTEN on ipv6 daemon which has been killed >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jan 19 04:50:07 UTC 2011 >Closed-Date: >Last-Modified: >Originator: George Michaelson >Release: 8.1 >Organization: APNIC >Environment: FreeBSD wattle.apnic.net 8.1-RELEASE-p2 FreeBSD 8.1-RELEASE-p2 #1: Tue Jan 18 01:06:10 UTC 2011 root@wattle.apnic.net:/usr/obj/usr/src/sys/GENERIC amd64 >Description: rsync --daemon not accepting v6 rsync calls. TCPDUMP shows packetflow syn/fin. kill daemon, state left in kernel with netstat -an | grep 873. add inetd entry tcp6. can't bind to port. reboot, problem gone. oddly, ssh and ping6 working, and I see a heap of nd6 neighbour discovery even though the two boxes 'knew' each other when this happened. >How-To-Repeat: not sure I can. looks like sometimes, kernel state for listen() in v6 is stuck even if user process goes away. >Fix: notknown >Release-Note: >Audit-Trail: >Unformatted:
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