From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36455) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XS294-0000bx-5p for qemu-devel@nongnu.org; Thu, 11 Sep 2014 07:02:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XS28w-0007t0-Ms for qemu-devel@nongnu.org; Thu, 11 Sep 2014 07:02:34 -0400 Received: from mail-pa0-f50.google.com ([209.85.220.50]:32849) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XS28w-0007sl-HN for qemu-devel@nongnu.org; Thu, 11 Sep 2014 07:02:26 -0400 Received: by mail-pa0-f50.google.com with SMTP id bj1so7692055pad.23 for ; Thu, 11 Sep 2014 04:02:25 -0700 (PDT) Message-ID: <54118137.9050305@ozlabs.ru> Date: Thu, 11 Sep 2014 21:02:15 +1000 From: Alexey Kardashevskiy MIME-Version: 1.0 References: <1410419467-9932-1-git-send-email-aik@ozlabs.ru> <1410420145.6138.7.camel@nilsson.home.kraxel.org> <54115AB9.8080700@ozlabs.ru> <1410430546.6138.9.camel@nilsson.home.kraxel.org> <541179CF.3080501@ozlabs.ru> <1410431916.6138.13.camel@nilsson.home.kraxel.org> In-Reply-To: <1410431916.6138.13.camel@nilsson.home.kraxel.org> Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] ohci: Stop OHCI bus when PCI bus master is disabled List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gerd Hoffmann Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Alexander Graf On 09/11/2014 08:38 PM, Gerd Hoffmann wrote: > Hi, > >> Another question - I noticed that XHCI migration is broken in quite recent >> upstream QEMU, smells like memory corruption. Is it just me or just PPC or >> is it known issue? > > 2.0 -> 2.1 migration being broken is a known issue (patch for that one > was on the list earlier this week, unfortunately missed 2.1.1). > > Other that that I'm not aware of any issues. My bad, it was me. I enabled 64bit DMA on pseries (the guest ram is mapped at 8000.0000.0000.0000 on the pci bus) and somehow this causes migration errors. I thought there is no 64bit DMA-capable device in QEMU, and I was wrong :) /me is debugging -- Alexey