[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ANNOUNCE] Xen 4.15 release schedule and feature tracking

  • To: Jan Beulich <jbeulich@xxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Fri, 15 Jan 2021 10:52:49 +0000
  • Arc-authentication-results: i=1; 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
  • Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=zY/GqfNG2I2hPdM2my0XD3TBZ28zCGTYnsW3rafgSN8=; b=R0PipgVt2djHW+YgKWXtN4S2s+4tL7kBtssjZvwxjU89Jy4hUR4ka4NePynkmZtynVbMrayEYVC8buw3Mb6+mTYRtCxRu5qhCaggdlNgKJP5kMea40IItbC6keR5vtyJAedfF4c/2cYsR1hyOlTYseKRv3T55N/u2gFJPcxLeg6aglzJMSa2JaG0xIwLO77p5vjnQ6ZsPTF8sYQ0LHwKq8EqrDR4AJG5gvpRNukr6sIW8OtPCDuc2kLZ8TvMuZKNIS0til2J3okI94Hc3s1wZFfFDaLrhguAZvzuDmgydrqZM5DoO5UEx/51sY0ql8mIPePtAaUfGabqsdAMctHWNA==
  • Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=I+MXR9fYbbX5Q44MH2b/vyzOtSD8pSeQfR1ryiZJW4RVo2CKlbNJVPmgU2vCh1a3t6UGZ7f/mypP924n614l1JPWl7sI7HdvIP2RJ0lNltxp0vqGOplzCYeJ4m8y96hwE3ic16RbqeQ7OkPkswuvOat0uTzCUwSgutIP60z5VTCAuzvtgw0R5v+xl2+h8s++sLVC8XvnK2VJP9DHLPNQI23PG8qWZUKV16Bobqa+bdsaswiu/KISFywhcAjWcKUsPKPNGY7PyZK7HQV/+oCZZ0H57iI2ZLfWC0goON8RZwjX52T+Sa4zxrC86ChKeyWVkyakLC+axfmCQftTv0SIlw==
  • Authentication-results: esa5.hc3370-68.iphmx.com; dkim=pass (signature verified) header.i=@citrix.onmicrosoft.com
  • Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <committers@xxxxxxxxxxxxxx>, "Tamas K Lengyel" <tamas@xxxxxxxxxxxxx>, Michał Leszczyński <michal.leszczynski@xxxxxxx>
  • Delivery-date: Fri, 15 Jan 2021 10:53:08 +0000
  • Ironport-sdr: NPT4U1x252RmYok7lNJvLwi3B9PaMI1srZ3MOjkN0XWdFLyt5POKho1LCMBcg+HlW2ispbkCco qFCOZfwY1CBJrj5co7/bfyMjj90RYJnVpLprIBv3bEb5qPrGpWFPgeSmVfLuI3uPwNlvscyxRY +sGhtOS6XRcsStTYoyKs8tIV7KQSV4Fz0i+ryPkMT7TKD9WSagjqpAuUuMaAe34hwaYYAPlzto GlWZX5tPjxjfae3rrJzYhejOukFXe5XX3Kgpm+SQ1eWKDJadQo/pGIXYr7+wcDL9udWXRtLFJg K24=
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

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).




Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.