From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59022) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZixYn-0003TK-V3 for qemu-devel@nongnu.org; Mon, 05 Oct 2015 00:39:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZixYk-0003o5-NQ for qemu-devel@nongnu.org; Mon, 05 Oct 2015 00:39:37 -0400 Received: from e23smtp03.au.ibm.com ([202.81.31.145]:41458) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZixYk-0003nr-3l for qemu-devel@nongnu.org; Mon, 05 Oct 2015 00:39:34 -0400 Received: from /spool/local by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 5 Oct 2015 14:39:29 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id 005862CE8054 for ; Mon, 5 Oct 2015 15:39:26 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t954dI7t57409732 for ; Mon, 5 Oct 2015 15:39:27 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t954cquk031717 for ; Mon, 5 Oct 2015 15:38:52 +1100 Date: Mon, 5 Oct 2015 10:08:31 +0530 From: Bharata B Rao Message-ID: <20151005043830.GA15541@in.ibm.com> References: <1443459153-10965-1-git-send-email-dgilbert@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1443459153-10965-1-git-send-email-dgilbert@redhat.com> Subject: Re: [Qemu-devel] [PATCH v8 00/54] Postcopy implementation Reply-To: bharata@linux.vnet.ibm.com List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Dr. David Alan Gilbert (git)" 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 On Mon, Sep 28, 2015 at 05:51:39PM +0100, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" > > This is the 8th cut of my version of postcopy. > > The userfaultfd linux kernel code is now in the upstream kernel > tree, and so 4.3-rc3 can be used without modification. > > This qemu series can be found at: > https://github.com/orbitfp7/qemu.git > on the wp3-postcopy-v8 tag > > > Testing status: > * Tested heavily on x86 > * Smoke tested on aarch64 (so it does work on different page sizes) > * Power is unhappy for me (but gets further than the htab problem > v7 used to have) (I get a kvm run failed) As I said earlier, postcopy migration works on Power, but memory hotplug seems to have some problem. qemu-system-ppc64 ... -object memory-backend-ram,id=ram0,size=2G -device pc-dimm,memdev=ram0 qemu/exec.c:1278: find_ram_offset: Assertion `size != 0' failed. Does this happen on x86 too ? Regards, Bharata.