From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: 4.7 qemu regression: HVM guests fail to boot from xvda Date: Tue, 7 Jun 2016 21:06:57 +0200 Message-ID: <20160607190657.GA10302@aepfle.de> References: <20160531111614.GA13143@aepfle.de> <20160531114141.GA17626@aepfle.de> <22351.240.490849.992725@mariner.uk.xensource.com> <57515833.1050003@citrix.com> <20160603112029.GA29322@aepfle.de> <575169B7.9060603@citrix.com> <22353.28127.934683.210436@mariner.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <22353.28127.934683.210436@mariner.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Ian Jackson Cc: Anthony Perard , Wei Liu , George Dunlap , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBKdW4gMDMsIElhbiBKYWNrc29uIHdyb3RlOgoKPiBUaGVyZSBhcmUgdHdvIHByb2Js ZW1zIHdpdGggdGhpcyBgaGR0eXBlJyBhcHByb2FjaC4KPiAKPiBGaXJzdGx5LCBpdCBpcyBnbG9i YWwuICBUaGF0IGlzLCBpdCBhcHBsaWVzIHRvIGFsbCBkaXNrcyBvZiB0aGUKPiBwYXJ0aWN1bGFy IGd1ZXN0LiAgQnV0IHRoZW4gbWF5YmUgd2UgZG9uJ3QgY2FyZSBhYm91dCB0aGF0IGJlY2F1c2UK PiB0aGlzIGFub21hbG91cyBtYWpvci1udW1iZXItc3RlYWxpbmcgYmVoYXZpb3VyIGlzIHByb2Jh Ymx5IHBlci1ndWVzdAo+IHJhdGhlciB0aGFuIHBlci1kaXNrLgoKSSB0aGluayB0aGVyZSBpcyBu byBpc3N1ZSB3aXRoIGhkdHlwZSBiZWluZyBhIGdsb2JhbCBrbm9iLiBUaGUKY29udHJvbGxlciB0 eXBlIGZvciBkaXNrcyBpcyBlaXRoZXIgcGlpeCBvciBhaGNpLgoKPiBTZWNvbmRseSwgdGhlIHBy b3Bvc2FsIGFib3ZlIGludm9sdmVzIGNoYW5naW5nIGJvdGggdGhlIHNlbWFudGljcyBvZgo+IGV4 aXN0aW5nIGBoZHR5cGUnIHBhcmFtZXRlciB2YWx1ZXMsIGFuZCB0aGUgZGVmYXVsdCBoZHR5cGUg dmFsdWUuICBUaGUKPiByZXN1bHRpbmcgc2l0dWF0aW9uIHdvdWxkIGJlIHRoYXQgZXZlbiBzcGVj aWZ5aW5nIHZkZXY9aGRhIHdvdWxkbid0Cj4gZ2V0IHlvdSBhbiBlbXVsYXRlZCBkZXZpY2UsIGJ5 IGRlZmF1bHQsIHVubGVzcyB5b3Ugc3BlY2lmaWVkIGBoZHR5cGUnCj4gdG9vLiAgSSBkb24ndCB0 aGluayB0aGF0IGlzIHJpZ2h0LgoKSU1PIHZkZXY9IHNob3VsZCBpbmZsdWVuY2UgaGR0eXBlPSBp ZiBpdCBpcyB1bnNldC4gSnVzdCB0byBtYWtlIHN1cmUgdGhlCmVtdWxhdGVkIGRpc2sgd2l0aCB2 ZGV2PXh2ZCBjYW4gYmUgYWNoaXZlZCB3aXRoIGV4aXN0aW5nIGNvbmZpZyBrbm9icy4KCkkgdGhp bmsgdGhlIHNpdHVhdGlvbiB3YXMgbGlrZSB0aGlzIGluIHhlbi00LjY6CmEpIG5vIGhkdHlwZT0s ICB2ZGV2PWhkICAgcmVzdWx0cyBpbiBhbiBlbXVsYXRlZCBwaWl4IGNvbnRyb2xsZXIKYikgbm8g aGR0eXBlPSwgIHZkZXY9eHZkICByZXN1bHRzIGluIGFuIGVtdWxhdGVkIHBpaXggY29udHJvbGxl cgpjKSBoZHR5cGU9aWRlLCAgdmRldj1oZCAgIHJlc3VsdHMgaW4gYW4gZW11bGF0ZWQgcGl4eCBj b250cm9sbGVyCmQpIGhkdHlwZT1pZGUsICB2ZGV2PXh2ZCAgcmVzdWx0cyBpbiBhbiBlbXVsYXRl ZCBwaWl4IGNvbnRyb2xsZXIKZSkgaGR0eXBlPWFoY2ksIHZkZXY9aGQgICByZXN1bHRzIGluIGFu IGVtdWxhdGVkIGFoY2kgY29udHJvbGxlcgpmKSBoZHR5cGU9YWhjaSwgdmRldj14dmQgIHJlc3Vs dHMgaW4gYW4gZW11bGF0ZWQgYWhjaSBjb250cm9sbGVyCgpFYWNoIG9mIHRoZSBhYm92ZSB3YXMg Ym9vdGFibGUgYmVjYXVzZSB0aGUgZGlzayB3YXMgdmlzaWJsZSB0byB0aGUgQklPUy4KSXQgd2Fz IHBvc3NpYmxlIHRvIG1peCBoZCBhbmQgeHZkIGZvciBkaXNrcyBhcyBsb25nIGFzIHRoZSBpbmRl eAooYSxiLGMsLi4pIGlzIHVuaXF1ZS4KCldpdGggeGVuLTQuNyBhbnkgb2YgdGhlIHZkZXY9eHZk IHJlc3VsdHMgaW4gYSBub24tYm9vdGluZyBndWVzdC4KU28gc29tZXRoaW5nIGhhcyB0byBiZSBj aGFuZ2VkIGluIGRvbVUuY2ZnIGFueXdheS4KQ3VycmVudGx5IGl0cyBsaWtlIHRoaXM6CmEpIG5v IGhkdHlwZT0sICB2ZGV2PWhkICAgcmVzdWx0cyBpbiBhbiBlbXVsYXRlZCBwaWl4IGNvbnRyb2xs ZXIKYikgbm8gaGR0eXBlPSwgIHZkZXY9eHZkICByZXN1bHRzIGluIFBWLW9ubHkgZGlzawpjKSBo ZHR5cGU9aWRlLCAgdmRldj1oZCAgIHJlc3VsdHMgaW4gYW4gZW11bGF0ZWQgcGl4eCBjb250cm9s bGVyCmQpIGhkdHlwZT1pZGUsICB2ZGV2PXh2ZCAgcmVzdWx0cyBpbiBQVi1vbmx5IGRpc2sKZSkg aGR0eXBlPWFoY2ksIHZkZXY9aGQgICByZXN1bHRzIGluIGFuIGVtdWxhdGVkIGFoY2kgY29udHJv bGxlcgpmKSBoZHR5cGU9YWhjaSwgdmRldj14dmQgIHJlc3VsdHMgaW4gUFYtb25seSBkaXNrCgpU aGlzIGNvdWxkIGJlIGFkZGVkOgpoZHR5cGU9aWRlIGFuZCB2ZGV2PXh2ZCBnaXZlcyBhbiBlbXVs YXRlZCBwaWl4IGNvbnRyb2xsZXIKaGR0eXBlPWFoY2kgYW5kIHZkZXY9eHZkIGdpdmVzIGFuIGVt dWxhdGVkIGFoY2kgY29udHJvbGxlcgoKVG8gYWNoaWV2ZSB0aGlzIHRoZSBkZWZhdWx0IGhkdHlw ZT0gc2hvdWxkIGJlY29tZSAiVU5TRVQiLCBhbmQgYSB2ZGV2PWhkCnNob3VsZCBzZXQgaXQgdG8g SURFIGlmIGl0IHdhcyAiVU5TRVQiLiBUaGF0IG1lYW5zIHRoZXJlIGNvdWxkIGJlIHlldAphbm90 aGVyIHN0YXRlICJQVk9OTFkiLgoKQXMgYSByZXN1bHQgdGhlIHBvc3NpYmxlIGNvbmZpZ3MgaW4g eGVuLTQuNyBhcmUgbGlrcyB0aGlzOgphKSBubyBoZHR5cGU9LCAgdmRldj1oZCAgIHJlc3VsdHMg aW4gYW4gZW11bGF0ZWQgcGlpeCBjb250cm9sbGVyCmIpIG5vIGhkdHlwZT0sICB2ZGV2PXh2ZCAg cmVzdWx0cyBpbiBQVi1vbmx5IGRpc2sKYykgaGR0eXBlPWlkZSwgIHZkZXY9aGQgICByZXN1bHRz IGluIGFuIGVtdWxhdGVkIHBpeHggY29udHJvbGxlcgpkKSBoZHR5cGU9aWRlLCAgdmRldj14dmQg IHJlc3VsdHMgaW4gYW4gZW11bGF0ZWQgcGlpeCBjb250cm9sbGVyCmUpIGhkdHlwZT1haGNpLCB2 ZGV2PWhkICAgcmVzdWx0cyBpbiBhbiBlbXVsYXRlZCBhaGNpIGNvbnRyb2xsZXIKZikgaGR0eXBl PWFoY2ksIHZkZXY9eHZkICByZXN1bHRzIGluIGFuIGVtdWxhdGVkIGFoY2kgY29udHJvbGxlcgpn KSBoZHR5cGU9cHYsICAgdmRldj1oZCAgIHJlc3VsdHMgaW4gUFYtb25seSBkaXNrCmgpIGhkdHlw ZT1wdiwgICB2ZGV2PXh2ZCAgcmVzdWx0cyBpbiBQVi1vbmx5IGRpc2sKCkV4aXN0aW5nIGRvbVUu Y2ZnIHdpdGggdmFyaWFudCBiKSBoYXZlIHRvIGJlIGNoYW5nZWQgdG8gZCkgdG8gZ2V0IHRoZW0K Ym9vdCBhZ2Fpbiwgb3IgcmF0aGVyIGNvbm5lY3QgdGhlIGRpc2tzIHRvIGFuIGVtdWxhdGVkIGNv bnRyb2xsZXIuCkknbSBub3Qgc3VyZSBpZiBjYXNlIGcpIGFuZCBoKSBhcmUgcmVhbGx5IG5lZWRl ZC4KCkluIG15IHRlc3Rpbmcgd2l0aCB4ZW4tNC42IHVzaW5nIGhkdHlwZT1haGNpIHJlc3VsdGVk IGluIG5vIHVucGx1Zywgc28gSQp0aGluayBhaGNpIHdhcyByZWFsbHkganVzdCBmb3IgZW11bGF0 ZWQgdXNhZ2UuIFBlcmhhcHMgdGhlIHB2b3BzIGtlcm5lbApkb2VzIGEgbW9yZSBjb21wbGV0ZSB1 bnBsdWc/IEkgaGF2ZSBub3QgdGVzdGVkIGFoY2kgd2l0aCB4ZW4tNC43LgoKPiBUaGUgcG9zc2li aWxpdGllcyBJIHNlZSBhcmU6Cj4gCj4gKDEpIE5ldyBib29sZWFuIHBlci1ndWVzdCBwYXJhbWV0 ZXIgZm9yIHRoaXMgYmVoYXZpb3VyLCBtZWFuaW5nCj4gICAgYHByb3ZpZGUgZW11bGF0ZWQgZGV2 aWNlcyBmb3IgYWxsIHh2ZCogYXMgaWYgdGhleSB3ZXJlIGhkKicuCgpUaGlzIHdvdWxkIGJlIGFu IGJhY2t3YXJkIGNvbXBhdGlibGUgYXBwcm9hY2gsIGF0IGxlYXN0IGRvbVUuY2ZnIHdpbGwKd29y ayB3aXRoIG9sZGVyIHRvb2xzdGFjay4gbGlidmlydCBuZWVkcyB0byBrbm93IGFib3V0IHRoaXMu Cgo+ICgyKSBOZXcgYGhkdHlwZT1pZGVmb3Jwdicgd2hpY2ggaGFzIHRoZSBzYW1lIGVmZmVjdCBh cyBgaGR0eXBlPWlkZScKPiAgICBwbHVzIHRoZSBzZW1hbnRpY3MgaW4gKDEpIGFib3ZlLiAgKEkn bSBvcGVuIHRvIGJldHRlciBuYW1pbmcKPiAgICBzdWdnZXN0aW9ucy4pCgpUaGlzIHdvdWxkIGJl IGFuIGluY29tcGF0aWJsZSBjaGFuZ2UsIG9sZGVyIHRvb2xzdGFja3MgZG9udCBrbm93IHRoZQp2 YWx1ZS4KCj4gKDMpIE5ldyBkaXNrIHByb3BlcnR5IHBhcmFtZXRlciBgaHZtLWVtdWxhdGUnIGlu IHRoZSBEZXByZWNhdGVkCj4gICAgIHNlY3Rpb24gb2YgeGwtZGlzay1jb25maWd1cmF0aW9uLnR4 dC4KClRoaXMgd291bGQgYmUgYW4gaW5jb21wYXRpYmxlIGNoYW5nZSwgb2xkZXIgdG9vbHN0YWNr cyBkb250IGtub3cgdGhlCnZhbHVlLgoKPiBPcGVuIHF1ZXN0aW9uczoKPiAKPiBEbyB3ZSBhbHNv IG5lZWQgYC4uLiBhcyBpZiB0aGV5IHdlcmUgc2QqJyBvciBgcHJvdmlkZSBpZGUgZW11bGF0ZWQK PiBkZXZpY2VzIHdoZXJlIHZkZXY9c2QqIGlzIHNwZWNpZmllZD8nCgpzZCByZXN1bHRzIGluIGFu IGVtdWxhdGVkIExTSSBTQ1NJIGNvbnRyb2xsZXIuCgo+IElmIHdlIGhhdmUgYGhkdHlwZT1pZGVp bmNscHYnIGRvIHdlIGFsc28gbmVlZCBgaGR0eXBlPWFoY2lpbmNscHYnID8KCkkgdGhpbmsgdGhh dCBpcyBub3QgbmVlZGVkIGdpdmVuIHRoYXQgdGhlcmUgaXMgbm8gdW5wbHVnIChpbiBteQp0ZXN0 aW5nKS4KCj4gV2hhdCBzaG91bGQgaGFwcGVuIGlmIHRoZXNlIG9wdGlvbnMgYXJlIGVuYWJsZWQg Zm9yIFBWIGd1ZXN0cyAtIHNob3VsZAo+IHRoZXkgYmUgc2lsZW50bHkgaWdub3JlZCwgb3Igc2hv dWxkIHRoZXkgYmUgcmVqZWN0ZWQgPwoKSU1PIG5vLiBEbyB3ZSBoYXZlIHN1Y2ggcmVqZWN0cyBh bHJlYWR5IGZvciBQViBvciBIVk0gb25seSBvcHRpb25zPwoKCkl0IGhhcyB0byBiZSBub3RlZCB0 aGF0IGxpYnZpcnQgZG9lcyBub3Qgc2VlbSB0byBrbm93IGFib3V0IHRoZSBoZHR5cGU9Cmtub2Is IHdoaWNoIHdhcyBpbnRyb2R1Y2VkIGluIHhlbi00LjYuCgoKT2xhZgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK