From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Dubinin Subject: Re: [Xen-users] Network and SATA Instability on Xen 4.6/4.8 Date: Thu, 21 Dec 2017 21:28:57 +0300 Message-ID: <4f74f0a2-573a-c186-f5e3-bc77f4bc9a0c@gmail.com> References: <5A3B8F1C0200007800199094@prv-mh.provo.novell.com> <0ca45404-a200-a60b-c34a-e0d416053e24@steadfast.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eS5ac-0000Pg-La for xen-devel@lists.xenproject.org; Thu, 21 Dec 2017 18:29:06 +0000 Received: by mail-lf0-x234.google.com with SMTP id r143so28917182lfe.13 for ; Thu, 21 Dec 2017 10:29:03 -0800 (PST) In-Reply-To: <0ca45404-a200-a60b-c34a-e0d416053e24@steadfast.net> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Kevin Stange Cc: Andrew Cooper , George Dunlap , Jan Beulich , xen-devel List-Id: xen-devel@lists.xenproject.org SGVsbG8sIEtldmluLCBhbGwsCgogPiBHaXZlbiB0aGUgc3RhdGUgZ2V0cyBtZSB0byBhIHBvaW50 IHdoZXJlIEkgY2FuJ3QgbG9nIGludG8gdGhlIHNlcnZlcgogPiBkaXJlY3RseSBhbnkgbG9uZ2Vy LCB3aGF0J3MgdGhlIGJlc3Qgd2F5IHRvIG9idGFpbiB0aGUgZGVidWcga2V5IG91dHB1dAogPiBh dCB0aGF0IHBvaW50PyBJIGhhdmUgYWNjZXNzIHRvIElQTUkgd2l0aCB2aWRlbyBhbmQgc2VyaWFs IG91dHB1dHMuCgpJUE1JIGlzIGdvb2QsIHlvdSBjYW4gdXNlIFNPTCAoU2VyaWFsIE92ZXIgTGFu KSB3aXRoIGl0LgoKWW91IGNhbiB1c2UgZm9sbG93aW5nIChwcm92aWRpbmcgbXkgc2VydmVycyBv cHRpb25zIGFzIGV4YW1wbGUsIGFkYXB0IGFzIAp5b3UgbmVlZCk6CjEuIGluIFhlbiBjbWRsaW5l IG9uIHNlcnZlciAoZGVmYXVsdCBTT0wgY29uZmlnIGZvciBTdXBlcm1pY3JvIC0gQ09NMikgYWRk OgoKY29ucmluZ19zaXplPTUxMjAwSyBsb2dsdmw9YWxsIGd1ZXN0X2xvZ2x2bD1hbGwgaW9tbXU9 MSx2ZXJib3NlIApjb20yPTExNTIwMCw4bjEgY29uc29sZT1jb20yLHZnYSBjb25zb2xlX3RpbWVz dGFtcHM9ZGF0ZW1zCgpJdCdzIGVzcGVjaWFsbHkgdXNlZnVsLCBpZiB5b3UgY29tcGlsZWQgWEVO IHdpdGggImRlYnVnPXkiLiAiZGF0ZW1zIiBpbiAKY29uc29sZSB0aW1lIHN0YW1wcyBpcyBhbHNv IGdvb2QsIG1ha2luZyBsb2dzIG1vcmUgaHVtYW4tcmVhZGFibGUgOykKCjIuIEZvciBMaW51eCBr ZXJuZWwsIGFkZDoKCmVhcmx5cHJpbnRrPXhlbiBjb25zb2xlPWh2YzAKClRoYXQgYWxsb3dzIGJv dGggTGludXgga2VybmVsIG1lc3NhZ2VzIGFuZCBjb25zb2xlIG91dHB1dCBvbiBzYW1lIFNPTCAK KGVuYWJsZSBodmMwIGFzIHNlY3VyZXR0eSBmaXJzdCwgaWYgaXQncyBub3QgZGVmYXVsdCBpbiB5 b3VyIGRpc3RybykuCgozLiBBbmQgZnJvbSBvdGhlciBMaW51eCBzeXN0ZW0sIHJ1biBpcG1pdG9v bCBsaWtlIGJlbG93OgoKaXBtaXRvb2wgLUkgbGFucGx1cyAtSCAxOTIuMTY4LjEwMC4zMiAtVSBB RE1JTiAtUCBBRE1JTiBzb2wgYWN0aXZhdGUKClRoaXMgaXMgZXhhbXBsZSBmb3IgU3VwZXJtaWNy by4gRm9yIEFTVVMvR2lnYWJ5dGUvSW50ZWwgSVBNSSAKaW1wbGVtZW50YXRpb25zLCB5b3UgbWF5 IG5lZWQgdG8gYWRqdXN0IHRoZSB3YXksIGlwbWl0b29sIGlzIHN0YXJ0ZWQuCkFETUlOL0FETUlO IC0gZGVmYXVsdCBTdXBlcm1pY3JvIGxvZ2luL3Bhc3N3b3JkIGFuZCAxOTIuMTY4LjIwMC4zMiAt IElQIAphZGRyZXNzIG9mIG15IHNlcnZlcidzIEJNQyAoSVBNSSksIHVzZSB5b3VycyBpbnN0ZWFk LgoKSVBNSSB0b29sIHVzdWFsbHkgcHJvdmlkZWQgYXMgcGFja2FnZSB3aXRoIHNhbWUgbmFtZSBp biBtYW55IExpbnV4IGRpc3Ryb3MuCgpXaGlsZSBJTVBJIHRvb2wgaXMgcnVubmluZywgcmVib290 IHRoZSBzZXJ2ZXIuIFlvdSB3aWxsIGJlIGFibGUgdG8gdXNlIApib3RoIEJJT1Mgc2V0dXAsIEdS VUIgbWVudSAoaWYgc2V0IHRvIHVzZSBjb25zb2xlLCByYXRoZXIgdGhhbiBncmFwaGljcykgCmFu ZCBMaW51eCBjb25zb2xlIGZyb20gU09MLgpBbmQgcGVyZmVjdCB0aGluZyBpcyB0aGF0IHlvdSBo YXZlIGFsbCBsb2dzIGFzIHRleHQsIHdoaWNoIGNhbiBiZSAKc2VsZWN0ZWQgaW4gdGVybWluYWwg YW5kIGNvcGllZCB0byB5b3VyIGZhdm9yaXRlIHRleHQgZWRpdG9yIGZvciBmdXJ0aGVyIApwcm9j ZXNzaW5nLgoKLS0gClJlZ2FyZHMsCiDCoCBBbGV4YW5kZXIgRHViaW5pbgoKUFM6IFNvcnJ5IGZv ciBwb3NzaWJsZSBtdWx0aXBsZSBtYWlscyAtIHNvbWV0aGluZyBicm9rZW4gd2l0aCBteSBvdGhl ciAKbWFpbCBTUEYgc2V0dGluZ3MgaW4gR29vZ2xlIEFwcHMuLi4KCk9uIDIxLjEyLjIwMTcgMTk6 NDMsIEtldmluIFN0YW5nZSB3cm90ZToKPiBPbiAxMi8yMS8yMDE3IDAzOjM4IEFNLCBKYW4gQmV1 bGljaCB3cm90ZToKPj4gKGRyb3BwaW5nIHhlbi11c2VycywgdG8gYXZvaWQgY3Jvc3MgcG9zdGlu ZykKPj4KPj4+Pj4gT24gMjAuMTIuMTcgYXQgMTg6NDAsIDxkdW5sYXBnQHVtaWNoLmVkdT4gd3Jv dGU6Cj4+PiBPbiBGcmksIERlYyA4LCAyMDE3IGF0IDk6MTcgUE0sIEtldmluIFN0YW5nZSA8a2V2 aW5Ac3RlYWRmYXN0Lm5ldD4gd3JvdGU6Cj4+Pj4gSGksCj4+Pj4KPj4+PiBJJ3ZlIGJlZW4gcnVu bmluZyBYZW4gNC40IHN0YWJseSBmb3Igc29tZSB0aW1lIHVuZGVyIGtlcm5lbCA0LjkgaW4gZG9t MAo+Pj4+IG9uIENlbnRPUyA2IGFuZCBoYXZlIGJlZW4gdHJ5aW5nIHRvIGZpbmFsbHkgbW92ZSBt eSBlbnZpcm9ubWVudCB1cCB0bwo+Pj4+IFhlbiA0LjYgb3IgNC44IHVzaW5nIENlbnRPUyA3LiAg U2luY2UgSSd2ZSBidWlsdCBvdXQgbXkgdGVzdCBzZXJ2ZXIgd2l0aAo+Pj4+IFhlbiA0LjYsIEkn dmUgYmVlbiBoYXZpbmcgaXNzdWVzIHdoZXJlIHRoZSBJbnRlbCBOSUNzIGJlZ2luIGZsYXBwaW5n Cj4+Pj4gcmVwZWF0ZWRseSBhbmQgdGhlIFNBVEEgZGlzayBpbnRlcmZhY2VzIGdvIGRvd24gYW5k IHdpbGwgbm90IGNvbWUgYmFjawo+Pj4+IHVwIHVudGlsIEkgcmVib290IHRoZSBzZXJ2ZXIuICBF dmVuIHNlbmRpbmcgdGhlIGJ1cyByZXNjYW4gY29tbWFuZAo+Pj4+IGRvZXNuJ3QgYnJpbmcgdGhl IGRyaXZlcyBiYWNrLiAgVGhlIGlzc3VlIHNlZW1zIHRvIHRyaWdnZXIgYmFzZWQgb24KPj4+PiBh Y3Rpdml0eSwgc28gZHVyaW5nIHNvbWV0aGluZyBsaWtlIGFuIG1kcmFpZCByZXN5bmMgaXMgbW9y ZSBsaWtlbHkgdG8KPj4+PiBjYXVzZSB0aGUgaXNzdWUsIGJ1dCBpdCdzIG5vdCByZXByb2R1Y2li bGUgaW4gYSBjb25zaXN0ZW50IGFtb3VudCBvZgo+Pj4+IHRpbWUsIHdoaWNoIG1ha2VzIGl0IGhh cmQgdG8gdGVsbCBpZiBhIHBhcnRpY3VsYXIgY2hhbmdlIGhhcyBkZWZpbml0ZWx5Cj4+Pj4gZml4 ZWQgaXQuCj4+Pj4KPj4+PiBUaGlzIGlzIHJlbWluaXNjZW50IG9mIGEgcHJvYmxlbSBJIGhhZCBi ZWVuIGV4cGVyaWVuY2luZyB3aGlsZSBydW5uaW5nCj4+Pj4ga2VybmVsIDMuMTggYW5kIFhlbiA0 LjQgb24gQ2VudE9TIDYsIGJ1dCB0aGUgcHJvYmxlbSByZXNvbHZlZCBpdHNlbGYKPj4+PiB1cG9u IHVwZ3JhZGluZyB0byBrZXJuZWwgNC40IGFuZCBsYXRlciA0LjksIHNvIEkgY2hhbGtlZCB0aGF0 IHVwIHRvCj4+Pj4gc29tZXRoaW5nIGJhZCB3aXRoIFBDSWUgbWFuYWdlbWVudCBpbiBrZXJuZWwg My4xOCBhbmQgdGhvdWdodCBub3RoaW5nCj4+Pj4gbW9yZSBvZiBpdCB1bnRpbCBub3cuCj4+Pj4K Pj4+PiBUaGUgaW5pdGlhbCB0ZXN0IGVudmlyb25tZW50IHdoZXJlIHRoZSBpc3N1ZSBvY2N1cnJl ZCB3YXMga2VybmVsIDQuOS41OAo+Pj4+IGFuZCBYZW4gNC42LjYtNyAod2l0aCBzZWN1cml0eSBw YXRjaGVzIGZyb20gQ2VudE9TKS4gIEkgdGhlbiB0cmllZAo+Pj4+IHVwZ3JhZGluZyB0byBrZXJu ZWwgNC45LjYzIGFuZCBYZW4gNC44LjItNSwgd2hpY2ggZGlkbid0IHJlc3VsdCBpbiBhbnkKPj4+ PiBpbXByb3ZlbWVudHMuCj4+Pj4KPj4+PiBJIHRyaWVkIHBjaWVfYXNwbT1vZmYgb24gdGhlIGtl cm5lbCBsaW5lLCB3aGljaCBoYXMgaGVscGVkIGluIHRoZSBwYXN0Cj4+Pj4gd2l0aCBzaW1pbGFy IGlzc3VlcywgYnV0IHRoYXQgZGlkbid0IGhlbHAgaGVyZS4KPj4+Pgo+Pj4+IEkgdHJpZWQgYm9v dGluZyB3aXRob3V0IFhlbiAoanVzdCBrZXJuZWwgNC45LjYzKSBhbmQgaXQgc2VlbXMgbGlrZSB0 aGF0Cj4+Pj4gbWFkZSB0aGUgaXNzdWUgZ28gYXdheSwgd2hpY2ggbGVhZCBtZSB0byBiZWxpZXZl IHRoZSBpc3N1ZSBvbmx5IGhhcHBlbnMKPj4+PiB3aXRoIGhhcmR3YXJlIGFjY2Vzc2VkIGZyb20g ZG9tMC4gIEkgZHVnIHRocm91Z2ggWGVuIGNvbW1hbmQgbGluZQo+Pj4+IG9wdGlvbnMgYW5kIHRy aWVkIGJvb3Rpbmcgd2l0aCBtc2k9b2ZmIGFuZCB0aGF0IG5vdyBzZWVtcyB0byBoYXZlCj4+Pj4g cmVzdWx0ZWQgaW4gdGhlIHByb2JsZW0gZ29pbmcgYXdheSwgb3IgYXQgbGVhc3QsIHRoZSBzeXN0 ZW0gaGFzbid0Cj4+Pj4gZXhoaWJpdGVkIHRoZSBpc3N1ZSBzaW5jZSBsYXN0IHdlZWsuICBQcmV2 aW91c2x5LCB0aGUgaXNzdWUgd291bGQgdGVuZAo+Pj4+IHRvIG1hbmlmZXN0IGFmdGVyIGxlc3Mg dGhhbiAyNCBob3Vycy4KPj4+Pgo+Pj4+IE15IGhhcmR3YXJlIGlzIFN1cGVybWljcm8gWDhEVDMt RiB3aXRoIER1YWwgSW50ZWwgWGVvbiBFNTYyMCBDUFVzLgo+Pj4+Cj4+Pj4gRGlzayBpc3N1ZXMg YmVnaW4gd2l0aCBhIGtlcm5lbCBtZXNzYWdlIGxpa2UgdGhpcyBmb2xsb3dlZCBieSBjb250aW51 b3VzCj4+Pj4gQVRBIGNvbW1hbmQgZmFpbHVyZXM6Cj4+Pj4KPj4+PiBhdGEyLjAwOiBleGNlcHRp b24gZW1hc2sgMHgwIHNhY3QgMHg3YzAxZmZmZiBzZXJyIDB4NTAwMDAgYWN0aW9uIDB4NiBmcm96 ZW4KPj4+Pgo+Pj4+IE5JQyBpc3N1ZXMgYmVnaW4gd2l0aCBhIG1lc3NhZ2UgbGlrZToKPj4+Pgo+ Pj4+IGlnYiAwMDAwOjA0OjAwLjE6IGVucDRzMGYxOiBSZXNldCBhZGFwdGVyIHVuZXhwZWN0ZWRs eQo+Pj4+Cj4+Pj4gTklDcyBkbyByZWNvdmVyIGFsbW9zdCBpbW1lZGlhdGVseSBidXQgY29udGlu dWUgdG8gZmxhcCBwZXJpb2RpY2FsbHkKPj4+PiB1bnRpbCByZWJvb3QuCj4+Pj4KPj4+PiBJIGRv bid0IGtub3cgaWYgdGhpcyBpcyBhIGJ1ZyBpbiBYZW4gb3Igc29tZXRoaW5nIGVsc2UgYXQgcGxh eSwgYnV0IEkKPj4+PiBjb3VsZCByZWFsbHkgdXNlIHNvbWUgaGVscCBmaWd1cmluZyBvdXQgd2hh dCdzIGdvaW5nIG9uLCB3aHkgbXNpPW9mZgo+Pj4+IHNlZW1zIHRvIGZpeCBpdCwgYW5kIGlmIHRo ZXJlIGFyZSBhbnkgYmV0dGVyIHdheXMgdG8gcmVzb2x2ZSB0aGlzLgo+Pj4gSmFuIC8gQW5keSwK Pj4+Cj4+PiBBbnkgaWRlYSB3aHkgS2V2aW4gbWlnaHQgYmUgc2VlaW5nIHN0YWJpbGl0eSBpc3N1 ZXMgdW5kZXIgNC42IC8gNC44Cj4+PiB0aGF0IGlzIHNvbHZlZCBieSBhZGRpbmcgJ21zaT1vZmYn Pwo+PiBOb3RoaW5nIEkndmUgZXZlciBoZWFyZCBvZiwgYW5kIHdpdGhvdXQgYXQgbGVhc3QgZnVs bCBsb2dzIGFsc28gdmVyeQo+PiBkaWZmaWN1bHQgdG8gY29uc2lkZXIgcG9zc2libGUgb3B0aW9u cy4gV2hpbGUgSSBkb24ndCByZWNhbGwgYW55Cj4+IHNpZ25pZmljYW50IGJ1ZyBmaXhlcyBpbiB0 aGlzIGFyZWEgc2luY2UgNC44LCB0cnlpbmcgd2l0aCA0LjEwIChhbmQKPj4gcGVyaGFwcyBhbHNv IGEgbW9yZSB1cC10by1kYXRlIERvbTAga2VybmVsKSB3b3VsZCBjZXJ0YWlubHkgYmUKPj4gd29y dGh3aGlsZS4gV2l0aCB0aGUgaW5mb3JtYXRpb24gYXQgaGFuZCBpdCdzIG5vdCBldmVuIHBvc3Np YmxlCj4+IHRvIHRlbGwgd2hldGhlciBYZW4gb3IgdGhlIERvbTAga2VybmVsIGlzIHRoZSBwcm9i bGVtYXRpYyBwYXJ0Cj4+IGhlcmUgKHRoZSBmYWN0IHRoYXQgTGludXggd29ya3MgZmluZSBuYXRp dmVseSBkb2Vzbid0IG1lYW4gbXVjaAo+PiBoZXJlLCBhcyBNU0kgaGFuZGxpbmcgaXMgcXVpdGUg YSBiaXQgZGlmZmVyZW50IHdoZW4gcnVubmluZyBvbgo+PiBYZW4pLgo+IEknbGwgc2VlIGlmIHRo ZXJlJ3MgYSBidWlsZCBvZiBYZW4gNC4xMCB0aGF0IEkgY2FuIHRyeSBmbG9hdGluZyBhcm91bmQu Cj4KPj4gV2hhdCBJIHN1c3BlY3QgZmlyc3Qgb2YgYWxsIGlzIHRoYXQgc29tZSBpbnRlcnJ1cHQg aXMgbm90IG1ha2luZyBpdAo+PiB0aHJvdWdoIHRvIGl0cyBoYW5kbGVyLiBJdCBtYXkgYmUgcG9z c2libGUgdG8gc2VlIHNvbWV0aGluZyBmcm9tCj4+IGRlYnVnIGtleSBvdXRwdXQgKCdNJyBhbmQg J2knKSBvbmNlIHRoZSBzeXN0ZW0gaXMgaW4gdGhhdCBzdGF0ZS4KPiBHaXZlbiB0aGUgc3RhdGUg Z2V0cyBtZSB0byBhIHBvaW50IHdoZXJlIEkgY2FuJ3QgbG9nIGludG8gdGhlIHNlcnZlcgo+IGRp cmVjdGx5IGFueSBsb25nZXIsIHdoYXQncyB0aGUgYmVzdCB3YXkgdG8gb2J0YWluIHRoZSBkZWJ1 ZyBrZXkgb3V0cHV0Cj4gYXQgdGhhdCBwb2ludD8gIEkgaGF2ZSBhY2Nlc3MgdG8gSVBNSSB3aXRo IHZpZGVvIGFuZCBzZXJpYWwgb3V0cHV0cy4KPgo+PiBKdXN0IHRvIGJlIHN1cmUgLSB1c2Ugb2Yg YW4gSU9NTVUgZG9lcyBub3QgYWZmZWN0IHRoZSBiZWhhdmlvcj8KPiBJIGRvbid0IGtub3cgaG93 IHRvIGRldGVybWluZSAidXNlIiBvZiBJT01NVSwgYnV0IEkgZGlkIHRyeSB0aGUgb3B0aW9uCj4g aW9tbXU9b2ZmIGFsb25nIHdpdGggbXNpPW9mZiBhbmQgdGhlIHN0YXRlIG9mIHRoZSBpb21tdSBv cHRpb24gZGlkIG5vdAo+IHNlZW0gdG8gaW1wYWN0IHdoZXRoZXIgdGhlIGlzc3VlIGhhcHBlbmVk LCBvbmx5IG1zaT1vZmYgc2VlbWVkIHRvIGhlbHAuCj4KCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZl bEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8veGVuLWRldmVs