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mx.microsoft.com 1; spf=pass smtp.mailfrom=citrix.com; dmarc=pass action=none header.from=citrix.com; dkim=pass header.d=citrix.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.onmicrosoft.com; s=selector2-citrix-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zY/GqfNG2I2hPdM2my0XD3TBZ28zCGTYnsW3rafgSN8=; b=oLdmrKjne0qYnzNayvxNvm3rNNFCugCT1PivPuBHCPkfbvagS7JoB2iKNs7W4CWixkNvVgLaW9omLK+IFon8RKHjtjgA/f4bRLttfa91t7p42vc8YYuCeXE6YpURbM717nfgi6XV9qbHyzfXYliP+I8VgaZ7x0LlM+59BTndb7s= Subject: Re: [ANNOUNCE] Xen 4.15 release schedule and feature tracking To: Jan Beulich , Ian Jackson CC: , , "Tamas K Lengyel" , =?UTF-8?Q?Micha=c5=82_Leszczy=c5=84ski?= References: <24567.7198.846779.557032@mariner.uk.xensource.com> <24576.27654.137226.608671@mariner.uk.xensource.com> <017cd214-fce8-f8b7-7134-0a89eb45c2ac@citrix.com> <867ee616-d808-0107-cbf4-82b7d296d0e6@suse.com> From: Andrew Cooper Message-ID: <79f5fd23-debb-701a-1aec-30144af1a896@citrix.com> Date: Fri, 15 Jan 2021 10:52:49 +0000 User-Agent: Mozilla/5.0 (X11; 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X-MS-Exchange-AntiSpam-MessageData: =?utf-8?B?NjQ5NTVLL1FZNmJod25yTHNlTjV1bUFiYi91czNKb202YWVudDFjbi84VWZL?= =?utf-8?B?bWd5eGRYSnU1UnhBY3M4THlHZ2JRbWYxb2xwU1NRdEY2L3NXd2MzZTB5YlBM?= =?utf-8?B?TmhsdVhsMGxNY2ZvRFlsMjRnOW1VTk1UZEhOWFI1ZFRTbldzWjByajl0cmQy?= =?utf-8?B?eFo2Q0UwNWE5cjA1TTNGRjczVVN4dHBwanZaQTJNWkpucTRlQzFFYTRDb3Vn?= =?utf-8?B?VWhSSmt0V3ZrWmEvWUZzMmdwYXJtcWRhRExXcHhNU3RlNXowcWVBSXlNOEFo?= =?utf-8?B?M0ZadmF3bFpYNnIrT3FGQnZvcUh2dzZHRWxnUnpNQWh0bXA0REwvbXdCaWNy?= =?utf-8?B?d2tUc2tEczNYUlFyS2VweCs3UnM0azkremhPbjRqQU9MU1pGYmc3NzkxMFFt?= =?utf-8?B?Y2RoVmt5c2JVZ09oVFVaSGlUcnRoYXNXMWdvb2lhci8yVXVHQzlzSkJrd3RU?= =?utf-8?B?SXZmWFJlTkxoK0hLVjNQTFV4SDNWTkNPN1lUZDVGYkZ1cmVOWlRlcVNiSUVO?= =?utf-8?B?R2JTVXhOZzBheUROcXhEejBKV0dKU2VHajQ1TUZPQ0l0WjZKTDA5OTJBNDFx?= =?utf-8?B?dWtnV0FwY2ZFS3NqNEw3SmRtTDl1Yno3NHJwWmZuTWgyN0xTbWxHUW5FSUtZ?= =?utf-8?B?NEZFc1lxOTRqMTY4THg0c002SUEyTDZLSjFjTTFzQytRa2lSQWJYNTNkUVJl?= =?utf-8?B?RmYrZVlNRzBBVWhDcWp4YzhsY0hyL1JBN3NJbkZBRllyaFE4THpVcHJtV3FB?= =?utf-8?B?ai82ZUlxTDBFaUFVTEkwRVI2M3Bwa2ptSnJYRTZlb1dVUlordWd1UWs2SGpY?= =?utf-8?B?ZW9SeUZXc3ZhOEFRNGJ1ZlIyZVV6TFdOcFg4cU9PUUk2bGdPUmx6TGc2VWZz?= =?utf-8?B?bW1mVzF2c1g4T0d0RlNVUTVZTnNZUVVaeDNmMnp5UFIzWVZidEJ3QmRpWW54?= =?utf-8?B?NDlqMG1lNDZ3VGdwY3BNWnYrZDRlWXBzckx3VmpxMm9rQTVxeU5abFFUY0dk?= =?utf-8?B?S09JeUM4eWIwVkxKTmw5SVUwRlU0MlF1dERWNmxEMHdIUHBFTVQ3bStraCta?= =?utf-8?B?VGpoNXpSaWdUV2VrVUhhL0VVQlZGT1VDYTkxc3ptTk5qM3NEYkZqaldoWjNY?= =?utf-8?B?SUNCWjZid0tkR0ZmYmIvYVUrZ3ZsWVBkTUZTQXRwRVZEa09xM3Q4TzVUMUI1?= =?utf-8?B?K0YxdVRDbkRlVkt6cU1KRExMY2duSjRFaWpVTThlQnJpUzlFdTdiZFFybEJE?= =?utf-8?B?Vk81am8rN2t2aVFpVXltaTdXdXVGTnNVZ3lIZDRaNUMvVlRRenZUSFkyQTBz?= =?utf-8?Q?3BHNnCYkPjDbB6HDPswBOPZjStMWKikf5V?= X-MS-Exchange-CrossTenant-Network-Message-Id: f73660d0-e19f-4896-e47a-08d8b943b73a X-MS-Exchange-CrossTenant-AuthSource: BYAPR03MB4728.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2021 10:52:56.2681 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 335836de-42ef-43a2-b145-348c2ee9ca5b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: f36Ahz2qSTll2hICamUKcvEsnH9iK8mauD4HuW3Hus4YbS2tMcXIFZ2+9S4uqqskPvTjqzeYS6hbMPwwEQngnxSsaH9gVZT5Stbi+N+L79Y= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR03MB4664 X-OriginatorOrg: citrix.com On 15/01/2021 09:57, Jan Beulich wrote: > On 14.01.2021 20:02, Andrew Cooper wrote: >> Bugs: >> >> 1) HPET/PIT issue on newer Intel systems.  This has had literally tens >> of reports across the devel and users mailing lists, and prevents Xen >> from booting at all on the past two generations of Intel laptop.  I've >> finally got a repro and posted a fix to the list, but still in progress. >> >> 2) "scheduler broken" bugs.  We've had 4 or 5 reports of Xen not >> working, and very little investigation on whats going on.  Suspicion is >> that there might be two bugs, one with smt=0 on recent AMD hardware, and >> one more general "some workloads cause negative credit" and might or >> might not be specific to credit2 (debugging feedback differs - also >> might be 3 underlying issue). >> >> All of these have had repeated bug reports.  I'd classify them as >> blockers, given the impact they're having on people. > 3) Fallout from MSR handling behavioral change. Yes, sorry for forgetting.  I was literally working on it while writing this email - no idea why I forgot it. 4) zstd support to unbreak Fedora.  (I'm deliberately putting this in the bugs rather than feature cateogry). ~Andrew