From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F200EC34026 for ; Mon, 17 Feb 2020 19:46:43 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B93DD2067D for ; Mon, 17 Feb 2020 19:46:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="PaK2qn2j" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B93DD2067D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j3mLH-0007VH-F6; Mon, 17 Feb 2020 19:46:07 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1j3mLG-0007VC-Tw for xen-devel@lists.xenproject.org; Mon, 17 Feb 2020 19:46:06 +0000 X-Inumbo-ID: 2291de26-51be-11ea-bc8e-bc764e2007e4 Received: from esa2.hc3370-68.iphmx.com (unknown [216.71.145.153]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 2291de26-51be-11ea-bc8e-bc764e2007e4; Mon, 17 Feb 2020 19:46:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1581968766; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=DFCxVsGn2hXn+MjTNHtNTVvKvNXKKd2FFG+QmnFNAw4=; b=PaK2qn2jRUOdr56FeEB0zdXeSvNgFG8OFrAeGg1EHcvZrVU/b2sR78dX SILegzw8CrVFdoOxiPmZXN+xokJTuwF89W125DSmaQyHYRS/IPuwnTIGV 1R4nKZppuB+3cpQmZfehm0ZiY1m+ylz6v3JEofaffvXNllKPJoX+YyHVe Y=; Authentication-Results: esa2.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=andrew.cooper3@citrix.com; spf=Pass smtp.mailfrom=Andrew.Cooper3@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of andrew.cooper3@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="andrew.cooper3@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa2.hc3370-68.iphmx.com: domain of Andrew.Cooper3@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="Andrew.Cooper3@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: SdWxDg74XohVPDNtgYUc5C9AthiZyxvXX0Nh1mbJFWiJtBivpWUdnkuFTmLcJrRApcqSvOrh2n m450Ei8NLJvZsLl/CLpuDinxn6tqP3RiFNgHqHgfG9OOhFzH+ZUnGLicN+gFJAEzJjmHJASzYh wAMFUXMYwN6Hw4ZXO4i3V+WmdtyZqR/b+3LcA4AMcqaENBWQn9SWnYSjQJvfYPosOmpXXXffM4 P3YYsHV6aGJHGbTuBl6yaQm3waS20oYVyIuSrcmszzoINkTJXg+MCzHOsMG/sRUJagJSzbZspz g2k= X-SBRS: 2.7 X-MesageID: 12586063 X-Ironport-Server: esa2.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.70,453,1574139600"; d="scan'208";a="12586063" To: Jason Andryuk , Aaron Janse References: <4019c78f-6546-4edc-b5c3-1ea471e129ff@www.fastmail.com> <17bc1026-ebdf-4077-85b2-8b8615b59101@www.fastmail.com> From: Andrew Cooper Openpgp: preference=signencrypt Autocrypt: addr=andrew.cooper3@citrix.com; prefer-encrypt=mutual; keydata= mQINBFLhNn8BEADVhE+Hb8i0GV6mihnnr/uiQQdPF8kUoFzCOPXkf7jQ5sLYeJa0cQi6Penp VtiFYznTairnVsN5J+ujSTIb+OlMSJUWV4opS7WVNnxHbFTPYZVQ3erv7NKc2iVizCRZ2Kxn srM1oPXWRic8BIAdYOKOloF2300SL/bIpeD+x7h3w9B/qez7nOin5NzkxgFoaUeIal12pXSR Q354FKFoy6Vh96gc4VRqte3jw8mPuJQpfws+Pb+swvSf/i1q1+1I4jsRQQh2m6OTADHIqg2E ofTYAEh7R5HfPx0EXoEDMdRjOeKn8+vvkAwhviWXTHlG3R1QkbE5M/oywnZ83udJmi+lxjJ5 YhQ5IzomvJ16H0Bq+TLyVLO/VRksp1VR9HxCzItLNCS8PdpYYz5TC204ViycobYU65WMpzWe LFAGn8jSS25XIpqv0Y9k87dLbctKKA14Ifw2kq5OIVu2FuX+3i446JOa2vpCI9GcjCzi3oHV e00bzYiHMIl0FICrNJU0Kjho8pdo0m2uxkn6SYEpogAy9pnatUlO+erL4LqFUO7GXSdBRbw5 gNt25XTLdSFuZtMxkY3tq8MFss5QnjhehCVPEpE6y9ZjI4XB8ad1G4oBHVGK5LMsvg22PfMJ ISWFSHoF/B5+lHkCKWkFxZ0gZn33ju5n6/FOdEx4B8cMJt+cWwARAQABtClBbmRyZXcgQ29v cGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPokCOgQTAQgAJAIbAwULCQgHAwUVCgkI CwUWAgMBAAIeAQIXgAUCWKD95wIZAQAKCRBlw/kGpdefoHbdD/9AIoR3k6fKl+RFiFpyAhvO 59ttDFI7nIAnlYngev2XUR3acFElJATHSDO0ju+hqWqAb8kVijXLops0gOfqt3VPZq9cuHlh IMDquatGLzAadfFx2eQYIYT+FYuMoPZy/aTUazmJIDVxP7L383grjIkn+7tAv+qeDfE+txL4 SAm1UHNvmdfgL2/lcmL3xRh7sub3nJilM93RWX1Pe5LBSDXO45uzCGEdst6uSlzYR/MEr+5Z JQQ32JV64zwvf/aKaagSQSQMYNX9JFgfZ3TKWC1KJQbX5ssoX/5hNLqxMcZV3TN7kU8I3kjK mPec9+1nECOjjJSO/h4P0sBZyIUGfguwzhEeGf4sMCuSEM4xjCnwiBwftR17sr0spYcOpqET ZGcAmyYcNjy6CYadNCnfR40vhhWuCfNCBzWnUW0lFoo12wb0YnzoOLjvfD6OL3JjIUJNOmJy RCsJ5IA/Iz33RhSVRmROu+TztwuThClw63g7+hoyewv7BemKyuU6FTVhjjW+XUWmS/FzknSi dAG+insr0746cTPpSkGl3KAXeWDGJzve7/SBBfyznWCMGaf8E2P1oOdIZRxHgWj0zNr1+ooF /PzgLPiCI4OMUttTlEKChgbUTQ+5o0P080JojqfXwbPAyumbaYcQNiH1/xYbJdOFSiBv9rpt TQTBLzDKXok86LkCDQRS4TZ/ARAAkgqudHsp+hd82UVkvgnlqZjzz2vyrYfz7bkPtXaGb9H4 Rfo7mQsEQavEBdWWjbga6eMnDqtu+FC+qeTGYebToxEyp2lKDSoAsvt8w82tIlP/EbmRbDVn 7bhjBlfRcFjVYw8uVDPptT0TV47vpoCVkTwcyb6OltJrvg/QzV9f07DJswuda1JH3/qvYu0p vjPnYvCq4NsqY2XSdAJ02HrdYPFtNyPEntu1n1KK+gJrstjtw7KsZ4ygXYrsm/oCBiVW/OgU g/XIlGErkrxe4vQvJyVwg6YH653YTX5hLLUEL1NS4TCo47RP+wi6y+TnuAL36UtK/uFyEuPy wwrDVcC4cIFhYSfsO0BumEI65yu7a8aHbGfq2lW251UcoU48Z27ZUUZd2Dr6O/n8poQHbaTd 6bJJSjzGGHZVbRP9UQ3lkmkmc0+XCHmj5WhwNNYjgbbmML7y0fsJT5RgvefAIFfHBg7fTY/i kBEimoUsTEQz+N4hbKwo1hULfVxDJStE4sbPhjbsPCrlXf6W9CxSyQ0qmZ2bXsLQYRj2xqd1 bpA+1o1j2N4/au1R/uSiUFjewJdT/LX1EklKDcQwpk06Af/N7VZtSfEJeRV04unbsKVXWZAk uAJyDDKN99ziC0Wz5kcPyVD1HNf8bgaqGDzrv3TfYjwqayRFcMf7xJaL9xXedMcAEQEAAYkC HwQYAQgACQUCUuE2fwIbDAAKCRBlw/kGpdefoG4XEACD1Qf/er8EA7g23HMxYWd3FXHThrVQ HgiGdk5Yh632vjOm9L4sd/GCEACVQKjsu98e8o3ysitFlznEns5EAAXEbITrgKWXDDUWGYxd pnjj2u+GkVdsOAGk0kxczX6s+VRBhpbBI2PWnOsRJgU2n10PZ3mZD4Xu9kU2IXYmuW+e5KCA vTArRUdCrAtIa1k01sPipPPw6dfxx2e5asy21YOytzxuWFfJTGnVxZZSCyLUO83sh6OZhJkk b9rxL9wPmpN/t2IPaEKoAc0FTQZS36wAMOXkBh24PQ9gaLJvfPKpNzGD8XWR5HHF0NLIJhgg 4ZlEXQ2fVp3XrtocHqhu4UZR4koCijgB8sB7Tb0GCpwK+C4UePdFLfhKyRdSXuvY3AHJd4CP 4JzW0Bzq/WXY3XMOzUTYApGQpnUpdOmuQSfpV9MQO+/jo7r6yPbxT7CwRS5dcQPzUiuHLK9i nvjREdh84qycnx0/6dDroYhp0DFv4udxuAvt1h4wGwTPRQZerSm4xaYegEFusyhbZrI0U9tJ B8WrhBLXDiYlyJT6zOV2yZFuW47VrLsjYnHwn27hmxTC/7tvG3euCklmkn9Sl9IAKFu29RSo d5bD8kMSCYsTqtTfT6W4A3qHGvIDta3ptLYpIAOD2sY3GYq2nf3Bbzx81wZK14JdDDHUX2Rs 6+ahAA== Message-ID: Date: Mon, 17 Feb 2020 19:46:00 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL01.citrite.net (10.69.22.125) Subject: Re: [Xen-devel] [BUG] panic: "IO-APIC + timer doesn't work" - several people have reproduced 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: xen-devel , Jan Beulich Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTcvMDIvMjAyMCAxOToxOSwgSmFzb24gQW5kcnl1ayB3cm90ZToKPiBlbmFibGluZyB2ZWNP biBUdWUsIERlYyAzMSwgMjAxOSBhdCA1OjQzIEFNIEFhcm9uIEphbnNlIDxhYXJvbkBhamFuc2Uu bWU+IHdyb3RlOgo+PiBPbiBUdWUsIERlYyAzMSwgMjAxOSwgYXQgMTI6MjcgQU0sIEFuZHJldyBD b29wZXIgd3JvdGU6Cj4+PiBJcyB0aGVyZSBhbnkgZnVsbCBib290IGxvZyBpbiB0aGUgYmFkIGNh c2U/ICBEZWJ1Z2dpbmcgdmlhIGRpdmluYXRpb24KPj4+IGlzbid0IGFuIGVmZmVjdGl2ZSB3YXkg dG8gZ2V0IHRoaW5ncyBkb25lLgo+PiBBZ3JlZWQuIEkgaW5jbHVkZWQgc29tZSBtb3JlIHZlcmJv c2UgbG9ncyB0b3dhcmRzIHRoZSBlbmQgb2YgdGhlIGVtYWlsICh0eXBlZCB1cCBieSBoYW5kKS4K Pj4KPj4gQXR0YWNoZWQgYXJlIHBpY3R1cmVzIGZyb20gYSBzbG93LW1vdGlvbiB2aWRlbyBvZiBt eSBsYXB0b3AgYm9vdGluZy4gTm90ZSB0aGF0IEkgYWxzbyBpbmNsdWRlZCBhIHBpY3R1cmUgb2Yg YSBzdGFjayB0cmFjZSB0aGF0IGhhcHBlbnMgaW1tZWRpYXRlbHkgYmVmb3JlIHJlYm9vdC4gSXQg ZG9lc24ndCBsb29rIHJlbGF0ZWQsIGJ1dCBJIHdhbnRlZCB0byBpbmNsdWRlIGl0IGFueXdheS4K Pj4KPj4gSSB0aGluayB0aGUgb3JpZ2luYWwgZW1haWwgc2hvdWxkIGhhdmUgc2FpZCAiNC44LjUi IGluc3RlYWQgb2YgIjQuMC41LiIgUmVnYXJkbGVzcywgZXZlcnlvbmUgb24gdGhpcyBtYWlsaW5n IGxpc3QgY2FuIG5vdyBzZWUgYWxsIHRoZSBib290IGxvZ3MgdGhhdCBJJ3ZlIHNlZW4uCj4+Cj4+ IEF0dGFjaGluZyBhIHNlcmlhbCBjb25zb2xlIHNlZW1zIGxpa2UgaXQgd291bGQgYmUgZGlmZmlj dWx0IHRvIGRvIG9uIHRoaXMgbGFwdG9wLCBvdGhlcndpc2UgSSB3b3VsZCBoYXZlIHNlbnQgdGhl IGxvZ3MgYXMgYSB0eHQgZmlsZS4KPiBJJ20gc2VlaW5nIFhlbiBwYW5pYzogIklPLUFQSUMgKyB0 aW1lciBkb2Vzbid0IHdvcmsiIG9uIGEgRGVsbAo+IExhdGl0dWRlIDcyMDAgMi1pbi0xLiAgRmVk b3JhIDMxIExpdmUgVVNCIGltYWdlIGJvb3RzIHN1Y2Nlc3NmdWxseS4KPiBObyB3YXkgdG8gZ2V0 IHNlcmlhbCBvdXRwdXQuICBJIG1hbnVhbGx5IHJlY3JlYXRlZCB0aGUgb3V0cHV0IGJlZm9yZQo+ IGZyb20gdGhlIHZnYSBkaXNwbGF5LgoKV2UgaGF2ZSBtdWx0aXBsZSBidWdzLgoKRmlyc3QgYW5k IGZvcmVtb3N0LCBYZW4gc2VlbXMgdG90YWxseSBicm9rZW4gd2hlbiBydW5uaW5nIGluIEV4dElO VAptb2RlLsKgIFRoaXMgbmVlZHMgYWRkcmVzc2luZywgYW5kIG91Z2h0IHRvIGJlIHN1ZmZpY2ll bnQgdG8gbGV0IFhlbgpib290LCBhdCB3aGljaCBwb2ludCB3ZSBjYW4gdHJ5IHRvIGZpZ3VyZSBv dXQgd2h5IGl0IGlzIHRyeWluZyB0byBmYWxsCmJhY2sgaW50byA0ODYoaXNoKSBjb21wYXRpYmls aXR5IG1vZGUuCgo+IEkgdGVzdGVkIExpbnV4IHdpdGggaW50ZWxfaW9tbXU9b24gYW5kIHRoYXQg Ym9vdGVkIHN1Y2Nlc3NmdWxseS4KPiBVbmRlciBYZW4sIHRoaXMgc3lzdGVtIHNldHMgaW9tbXVf eDJhcGljX2VuYWJsZWQgPSB0cnVlLCBzbwo+IGZvcmNlX2lvbW11IGlzIHNldCBhbmQgaW9tbXU9 MCBjYW5ub3QgZGlzYWJsZSB0aGUgaW9tbXUuCj4gZmFpbHMuICBPaCwgSSBjYW4gZGlzYWJsZSB4 MmFwaWMgYW5kIHRoZW4gZGlzYWJsZSBpb21tdQo+Cj4geDJhcGljPTEgLT4gZmFpbHVyZSBhYm92 ZQo+IHgyYXBpYz0wIGlvbW11PTAgLT4gZmFpbHVyZSBhYm92ZQo+IGNsb2Nrc291cmNlPWFjcGkg LT4gZG9lc24ndCBoZWxwCj4gY2xvY2tzb3VyY2U9cGl0IC0+IGhhbmdzIGFmdGVyICJsb2FkIHRy YWNraW5nIHdpbmRvdyBsZW5ndGggMTA3Mzc0MTgyNCBucyIKCk5vbmUgb2YgdGhlc2UgYXJlIHN1 cnByaXNpbmcsIGdpdmVuIHRoYXQgWGVuIGNhbid0IG1ha2UgYW55IGludGVycnVwdHMKd29yayBh dCBhbGwuCgo+IG5vYXBpYyAtPiBCVUcgaW4gaW5pdF9ic3BfQVBJQwoKVGhpcyBpcyBhIHN1cnBy aXNlLsKgIEl0cyBjbGVhcmx5IGEgYnVnIGluIFhlbi7CoCAoT1RPSCwgSSd2ZSBiZWVuCnRocmVh dGVuaW5nIHRvIHJpcCBhbGwgb2YgdGhhdCBsb2dpYyBvdXQsIGJlY2F1c2UgdGhlcmUgaXMgbm8g c3VjaCB0aGluZwphcyBhIDY0Yml0IGNhcGFibGUgc3lzdGVtIHdpdGhvdXQgYW4gaW50ZWdyYXRl ZCBBUElDLikKCj4gT25lIG90aGVyIHRoaW5nIHRoYXQgbWlnaHQgYmUgbm90ZXdvcnRoeS4gIExp bnV4IG9ubHkgcHJpbnRzIEFDUEkgSVJRMAo+IGFuZCBJUlE5IHVzZWQgYnkgb3ZlcnJpZGUgd2hl cmUgWGVuIGxpc3RzIElSUSAwLCAyICYgOS4KCkh1aCAtIHRoaXMgaXMgc3VwcG9zZWQgdG8gY29t ZSBkaXJlY3RseSBmcm9tIHRoZSBBQ1BJIHRhYmxlcywgc28gTGludXgKYW5kIFhlbiBzaG91bGQg YmUgdXNpbmcgdGhlIHNhbWUgc291cmNlIG9mIGluZm9ybWF0aW9uLgoKPgo+IEJlbG93IGlzIHRo ZSByZS1jb25zdHJ1Y3RlZCBYZW4gY29uc29sZSBvdXRwdXQuICBUaGUgU01CSU9TIGxpbmUgaXMK PiB0aGUgZmlyc3QgdGhpbmcgZGlzcGxheWVkIG9uIHRoZSBWR0Egb3V0cHV0LgoKWWVzIC0gaXQg aXMgdGhlIGZpcnN0IHRoaW5nIHByaW50ZWQgYWZ0ZXIgdmVzYV9pbml0KCkgd2hpY2ggSSB0aGlu ayBpcyBhCm1hbmlmZXN0YXRpb24gb2YgYSBwcmV2aW91cyBFRkkgYnVnIEkndmUgcmVwb3J0ZWQu wqAgRG9lcyBib290aW5nIHdpdGgKLWJhc2V2aWRlbyBoZWxwP8KgIChObyBuZWVkIHRvIHRyYW5z Y3JpYmUgdGhlIG91dHB1dCwgbWFudWFsbHkuwqAgSnVzdApuZWVkIHRvIGtub3cgaWYgaXQgbGV0 cyB5b3Ugc2VlIHRoZSBmdWxsIGxvZy4pCgo+ICAgSSBza2lwcGVkIHRoZSBmdWxsIEVGSQo+IG1l bW9yeSBtYXAgZHVtcCBzaW5jZSBpdCBpcyBxdWl0ZSBsb25nLgo+Cj4gSSd2ZSBhbHNvIGF0dGFj aGVkIHRoZSBMaW51eCBkbWVzZyBvdXRwdXQuICBBbnkgcG9pbnRlcnMgb3IKPiBzdWdnZXN0aW9u cyBhcmUgbW9zdCB3ZWxjb21lLgoKTGV0cyBzdGFydCB3aXRoIGdldHRpbmcgWGVuIGFibGUgdG8g bGltcCBhbG9uZyB0byBhIGZ1bGwgYm9vdC7CoCBBZnRlcgp0aGF0LCB3ZSBjYW4gZmlndXJlIG91 dCBob3cgdG8gc3RvcCBpdCBtYWtpbmcgc2lsbHkgZGVjaXNpb25zIGR1cmluZyBib290LgoKfkFu ZHJldwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==