From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:43709) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S2RYj-0007B0-Bm for qemu-devel@nongnu.org; Tue, 28 Feb 2012 13:13:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S2RYc-0006V1-3E for qemu-devel@nongnu.org; Tue, 28 Feb 2012 13:13:56 -0500 Received: from mail-pz0-f45.google.com ([209.85.210.45]:60445) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S2RYb-0006TH-Sn for qemu-devel@nongnu.org; Tue, 28 Feb 2012 13:13:50 -0500 Received: by dadp14 with SMTP id p14so8061165dad.4 for ; Tue, 28 Feb 2012 10:13:47 -0800 (PST) Message-ID: <4F4D1951.4040807@codemonkey.ws> Date: Tue, 28 Feb 2012 12:13:37 -0600 From: Anthony Liguori MIME-Version: 1.0 References: <4F4CC7C6.9070609@redhat.com> <20120228175914.GA28479@redhat.com> In-Reply-To: <20120228175914.GA28479@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PULL] Memory core space reduction List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: Avi Kivity , qemu-devel On 02/28/2012 11:59 AM, Michael S. Tsirkin wrote: > On Tue, Feb 28, 2012 at 02:25:42PM +0200, Avi Kivity wrote: >> [repost with pull info, brain not yet back up to speed] >> >> This is the current memory queue (posted as two separate series before >> my vacation). When applied, the overhead of 16 bytes/page is reduced to >> basically nil. >> >> Please pull from: >> >> git://git.kernel.org/pub/scm/virt/kvm/qemu-kvm.git memory/core >> > > This seems to make things worse for me: I used to see a crash with kvm when using > a 64 bit BAR, now it crashes very early, and without kvm as well: > > #0 0x00007ffff5fc4155 in malloc_consolidate () from /lib64/libc.so.6 FWIW, I'm processing this PULL request right now and I'm seeing a SEGV too. The backtrace is a malloc failure in QOM. It's either this pull or Gerd's USB pull. I'm debugging right now. Regards, Anthony Liguori