[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).
~Andrew
|
