From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [Bugme-new] [Bug 29252] New: IPv6 doesn't work in a kvm guest. Date: Thu, 17 Feb 2011 14:32:37 -0800 (PST) Message-ID: <20110217.143237.245412709.davem@davemloft.net> References: <20110217142517.b9919481.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, bugzilla-daemon@bugzilla.kernel.org, bugme-daemon@bugzilla.kernel.org, slash@ac.auone-net.jp To: akpm@linux-foundation.org Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45167 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751170Ab1BQWcB (ORCPT ); Thu, 17 Feb 2011 17:32:01 -0500 In-Reply-To: <20110217142517.b9919481.akpm@linux-foundation.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Andrew Morton Date: Thu, 17 Feb 2011 14:25:17 -0800 >> https://bugzilla.kernel.org/show_bug.cgi?id=29252 ... >> apt-get and ping6 don't work in a kvm guest. It appears that neighbor discovery >> is not working. I'm using tap, virtio-net and vhost. I did bisect and results >> is >> >> d80bc0fd262ef840ed4e82593ad6416fa1ba3fc4 is the first bad commit >> commit d80bc0fd262ef840ed4e82593ad6416fa1ba3fc4 >> Author: David S. Miller >> Date: Mon Jan 24 16:01:58 2011 -0800 >> >> ipv6: Always clone offlink routes. >> >> Do not handle PMTU vs. route lookup creation any differently >> wrt. offlink routes, always clone them. >> >> Reported-by: PK >> Signed-off-by: David S. Miller >> >> :040000 040000 >> c4a34e9e36bd8cc81e898738f2d4344f6647d472f0fcd4b093ec22784798f3951203391f4567b278 >> M net >> >> reverting this commit for guest kernel fixes the probrem. Thanks for the report, I'll look into this.