Date: Sun, 24 Oct 2010 11:03:34 GMT From: Martin Birgmeier <martin.birgmeier@aon.at> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/151681: NFS mount via IPv6 leads to hang on client with "ipfw: pullup failed" Message-ID: <201010241103.o9OB3Yob021431@www.freebsd.org> Resent-Message-ID: <201010241110.o9OBA7Nx063148@freefall.freebsd.org>
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>Number: 151681 >Category: kern >Synopsis: NFS mount via IPv6 leads to hang on client with "ipfw: pullup failed" >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Oct 24 11:10:07 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Martin Birgmeier >Release: client: 7.3, server: 8.1 >Organization: MBi at home >Environment: FreeBSD gandalf.xyzzy 7.3-RELEASE-p3 FreeBSD 7.3-RELEASE-p3 #2: Sat Oct 16 08:55:47 CEST 2010 root@gandalf.xyzzy:/d/14.1/OBJ/FreeBSD/RELENG_7_3/src/sys/XYZZY i386 >Description: Scenario: - The client runs RELENG_7_3 - The server runs RELENG_8_1_0_RELEASE - All machines are fully configured for dual IPv4/IPv6 operation - The server exports zfs volumes both via IPv4 and IPv6 - The client mounts from the server via IPv6 Error: - After only a few operations, the client hangs, with messages "ipfw: pullup failed" on the console Resolution: - The hang can only be resolved by a reboot of the client. This hang does not occur if the mount is done via IPv4. >How-To-Repeat: Repeat the scenario above, and do NFS operations from the client to the server. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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