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Wed, 31 Jul 2019 14:03:35 -0700 (PDT) MIME-Version: 1.0 References: <20190722152152.dvhs4riw2w67rvih@Air-de-Roger> <20190724141145.hg4aa5wyg5tsgv5p@Air-de-Roger> <20190726093545.zwmbt27c24skd3iz@Air-de-Roger> <20190730092122.dbpfzu7jsznpyksd@Air-de-Roger> <20190731083631.63vqxrdr5vyeeswn@Air-de-Roger> <20190731084336.lkpk4n35qg2zo67w@Air-de-Roger> In-Reply-To: From: Roman Shaposhnik Date: Wed, 31 Jul 2019 14:03:24 -0700 Message-ID: To: Andrew Cooper Subject: Re: [Xen-devel] [BUG] After upgrade to Xen 4.12.0 iommu=no-igfx X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "jgross@suse.com" , Paul Durrant , "jbeulich@suse.com" , "xen-devel@lists.xenproject.org" , "boris.ostrovsky@oracle.com" , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gV2VkLCBKdWwgMzEsIDIwMTkgYXQgMTI6NDYgUE0gQW5kcmV3IENvb3Blcgo8YW5kcmV3LmNv b3BlcjNAY2l0cml4LmNvbT4gd3JvdGU6Cj4KPiBPbiAzMS8wNy8yMDE5IDIwOjM1LCBSb21hbiBT aGFwb3NobmlrIHdyb3RlOgo+ID4gT24gV2VkLCBKdWwgMzEsIDIwMTkgYXQgMTo0MyBBTSBSb2dl ciBQYXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNvbT4gd3JvdGU6Cj4gPj4gT24gV2VkLCBK dWwgMzEsIDIwMTkgYXQgMTA6MzY6MzFBTSArMDIwMCwgUm9nZXIgUGF1IE1vbm7DqSB3cm90ZToK PiA+Pj4gT24gVHVlLCBKdWwgMzAsIDIwMTkgYXQgMTA6NTU6MjRBTSAtMDcwMCwgUm9tYW4gU2hh cG9zaG5payB3cm90ZToKPiA+Pj4+IFNvcnJ5IC0tIGdvdCBhIGJpdCBkaXN0cmFjdGVkIHllc3Rl cmRheS4gQXR0YWNoZWQgaXMgdGhlIGxvZyB3aXRoIG9ubHkKPiA+Pj4+IHlvdXIgbGF0ZXN0IHBh dGNoIGF0dGFjaGVkLiBJbnRlcmVzdGluZ2x5IGVub3VnaCB0aGUgYm94IGJvb3RlZCBmaW5lCj4g Pj4+PiB3aXRob3V0IHNjcmVlbiBhcnRpZmFjdHMuIFNvIEkgZ3Vlc3Mgd2UncmUgZ2V0dGluZyBj bG9zZXIuLi4KPiA+Pj4+Cj4gPj4+PiBUaGFua3MgZm9yIGFsbCB0aGUgaGVscCEKPiA+Pj4gVGhh dCdzIHF1aXRlIHdlaXJkLCB0aGVyZSdzIG5vIGZ1bmN0aW9uYWwgY2hhbmdlcyBiZXR3ZWVuIHRo ZQo+ID4+PiBwcmV2aW91cyBwYXRjaGVzIGFuZCB0aGlzIG9uZSwgdGhlIG9ubHkgZGlmZmVyZW5j ZSBpcyB0aGF0IHRoaXMgcGF0Y2gKPiA+Pj4gaGFzIG1vcmUgdmVyYm9zZSBvdXRwdXQuCj4gPj4+ Cj4gPj4+IEFyZSB5b3Ugc3VyZSB5b3UgZGlkbid0IGhhdmUgYW55IGxvY2FsIHBhdGNoZXMgb24g dG9wIG9mIFhlbiB0aGF0Cj4gPj4+IGNvdWxkIGV4cGxhaW4gdGhpcyBkaWZmZXJlbmNlIGluIGJl aGF2aW91cj8KPiA+PiBGV0lXLCBjYW4geW91IHBsZWFzZSB0cnkgdGhlIHBsYWluIHBhdGNoIGFn YWluOgo+ID4+Cj4gPj4gaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9hcmNoaXZlcy9odG1s L3hlbi1kZXZlbC8yMDE5LTA3L21zZzAxNTQ3Lmh0bWwKPiA+Pgo+ID4+IEFuZCByZXBvcnQgYmFj az8KPiA+Pgo+ID4+IEkgd291bGQgbGlrZSB0byBnZXQgdGhpcyBjb21taXR0ZWQgQVNBUCBpZiBp dCBkb2VzIGZpeCB5b3VyIGlzc3VlLgo+ID4gSSdkIGxpa2UgdG8gc2F5IHRoYXQgaXQgZGlkIC0t IGJ1dCBJIHRyaWVkIGl0IGFnYWluIGp1c3Qgbm93IGFuZCBpdAo+ID4gc3RpbGwgZ2FyYmxlZCBz Y3JlZW4gYW5kIHRvbnMgb2Y6Cj4gPgo+ID4gKFhFTikgcHJpbnRrOiAyNjY2NSBtZXNzYWdlcyBz dXBwcmVzc2VkLgo+ID4gKFhFTikgW1ZULURdRE1BUjpbRE1BIFJlYWRdIFJlcXVlc3QgZGV2aWNl IFswMDAwOjAwOjAyLjBdIGZhdWx0IGFkZHIKPiA+IDhlMTRjMDAwLCBpb21tdSByZWcgPSBmZmZm ODJjMDAwOGRlMDAwCj4gPgo+ID4gSSdtIHZlcnkgbXVjaCBjb25mdXNlZCBieSB3aGF0J3MgZ29p bmcgb24sIGJ1dCBpdCBzZWVtcyB0aGF0J3MgdGhlCj4gPiBjYXNlIC0tIGFkZGluZyB0aG9zZSBk ZWJ1ZyBwcmludCBzdGF0ZW1lbnRzIG1ha2UgdGhlIGlzc3VlIGdvIGF3YXkKPiA+Cj4gPiBIZXJl IGFyZSB0aGUgcGF0Y2hlcyB0aGF0IGFyZSBiZWluZyBhcHBsaWVkOgo+ID4gICAgTk9UIFdPUktJ Tkc6Cj4gPiBodHRwczovL2dpdGh1Yi5jb20vcnZzL2V2ZS9ibG9iL3hlbi1idWcvcGtnL3hlbi8w MS1pb21tdS1tYXBwaW5ncy5wYXRjaAo+ID4KPiA+ICAgIFdPUktJTkc6IGh0dHBzOi8vZ2l0aHVi LmNvbS9ydnMvZXZlL2Jsb2IvYTEyOTFmY2Q0ZTY2OWRmMmE2MzI4NWFmYjVlOGI0ODQxZjQ1YzFj OC9wa2cveGVuLzAxLWlvbW11LW1hcHBpbmdzLnBhdGNoCj4gPgo+ID4gQXQgdGhpcyBwb2ludCBJ J20gcmVhbGx5IG5vdCBzdXJlIHdoYXQncyBnb2luZyBvbi4KPgo+IE9rLiAgc2VlaW5nIGFzIHlv dSd2ZSBkb3VibGUgY2hlY2tlZCB0aGlzLCB0aGUgbXlzdGVyeSBkZWVwZW5zLgo+Cj4gTXkgYmV0 IGlzIG9uIHRoZSBpbnRlbF9pb21tdV9sb29rdXBfcGFnZSgpIGNhbGwgaGF2aW5nIHNpZGUgZWZm ZWN0c1sxXS4KPiBJZiB5b3UgdGFrZSBvdXQgdGhlIGRlYnVnZ2luZyBpbiB0aGUgbWlkZGxlIG9m IHRoZSBsb29wIGluCj4gcm1ycl9pZGVudGl0eV9tYXBwaW5nKCksIGRvZXMgdGhlIHByb2JsZW0g cmVwcm9kdWNlIGFnYWluPwo+Cj4gfkFuZHJldwo+Cj4gWzFdIExvb2tpbmcgYXQgdGhlIGludGVy bmFscyBvZiBhZGRyX3RvX2RtYV9wYWdlX21hZGRyKCksIGl0IGRvZXMgMTAwJQo+IG1vcmUgbWVt b3J5IGFsbG9jYXRpb24gYW5kIGhpZ2hlci1sZXZlbCBQVEUgY29uc3RydWN0aW9uIHRoYW4gbG9v a3Mgd2lzZQo+IGZvciB3aGF0IGlzIHN1cHBvc2VkIHRvIGJlIGEgZ2V0dGVyLgoKWXVwLiBUaGF0 J3Mgd2hhdCBpdCBpcyAtLSBpbnRlbF9pb21tdV9sb29rdXBfcGFnZSgpIHNlZW1zIHRvIGJlIHRo ZSBjdWxwcml0LgoKSSd2ZSBkaWQgdGhlIGV4cGVyaW1lbnQgaW4gdGhlIG90aGVyIGRpcmVjdGlv biAtLSBhZGRpbmcgYSBkdW1teSBjYWxsOgogICAgIGh0dHBzOi8vZ2l0aHViLmNvbS9ydnMvZXZl L2Jsb2IvMzZhZWVhYTdjMGE1MzQ3NGZiMWVjZWYyZmY1ODdhODY2MzdkZjg1OC9wa2cveGVuLzAx LWlvbW11LW1hcHBpbmdzLnBhdGNoI0wyMwpvbiB0b3Agb2Ygb3JpZ2luYWwgUm9nZXIncyBwYXRj aCBtYWtlcyBzeXN0ZW0gYm9vdCBOT1JNQUxMWS4KClRoYW5rcywKUm9tYW4uCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBs aXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2pl Y3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs