From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57206) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhwFN-0004yW-7i for qemu-devel@nongnu.org; Fri, 02 Oct 2015 05:03:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZhwFH-0007KR-Dg for qemu-devel@nongnu.org; Fri, 02 Oct 2015 05:03:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37758) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhwFH-0007KJ-9L for qemu-devel@nongnu.org; Fri, 02 Oct 2015 05:03:15 -0400 Date: Fri, 2 Oct 2015 10:03:09 +0100 From: "Dr. David Alan Gilbert" Message-ID: <20151002090308.GE2605@work-vm> References: <1443459153-10965-1-git-send-email-dgilbert@redhat.com> <20150930102538.GA16453@in.ibm.com> <20150930105304.GD2627@work-vm> <20150930142817.GA10885@in.ibm.com> <20150930161448.GH2627@work-vm> <20151001030405.GB10885@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151001030405.GB10885@in.ibm.com> Subject: Re: [Qemu-devel] [PATCH v8 00/54] Postcopy implementation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Bharata B Rao Cc: aarcange@redhat.com, quintela@redhat.com, liang.z.li@intel.com, qemu-devel@nongnu.org, luis@cs.umu.se, amit.shah@redhat.com, pbonzini@redhat.com * Bharata B Rao (bharata@linux.vnet.ibm.com) wrote: > > > > That's interesting; I saw that behaviour on my aarch64 box, but not on > > > > my power box or on x86. Can you try using tcp:127.0.0.1:4444 to force > > > > ipv4 (that fixed it for me on aarch64). On the aarch box I found that > > > > it still happened with head of tree qemu and so decided it wasn't my > > > > postcopy world; I'm assuming what's happening is that it's trying > > > > to connect to the IPv6 address, timing out and then trying IPv4. > > > > > > Yes, s/localhost/127.0.0.1 helps. > > > > OK; it sounds like there's something 'fun' going on with either the > > bleeding edge kernel or the bleeding edge qemu with IPv6 then. > > It's the host kernel. Until 4.3.0-rc2 it works, the problem starts > from 4.3.0-rc3. Accessing monitor on localhost using telnet is also affected. Hmm that is fun; I'll see if I can find a friendly kernel network person to chat to. Dave > > Regards, > Bharata. > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK