Add article syspatch cpuswitch inteldrm

This commit is contained in:
HUC Stéphane 2021-06-07 21:09:35 +02:00
parent 0b74a13087
commit ba2909a156
Signed by: hucste
GPG Key ID: C4ED64222D9B037F
10 changed files with 98 additions and 27 deletions

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@ -0,0 +1,70 @@
---
categories: ['Syspatch']
date: 2021-06-07T20:48:52+02:00
description: "Correctif OpenBSD: Intel et AMD CPU"
draft: false
tags: ['Syspatch','cpu','6.8','6.9']
title: "Syspatch : cpuswitch + inteldrm (2021/06/07)"
---
## Correctifs de fiabilité
1/ pour les CPU Intel et AMD : **cpuswitch**
**Les machines récentes basées sur les CPU Intel ou AMD peuvent planter
car le noyau ne vidait pas toutes les TLB dont les processus multi-thread
requerraient.**
- Architectures ciblées : amd64.
2/ pour les GPU Intel : **inteldrm**
**Désactive la fonctionnalité PPGTT des GPU Intel Cherryview et Braswell
afin d'éviter une corruption de la mémoire.**
- Architecture ciblée : amd64 et i386.
---
## Syspatch
Cette étape ne concerne que les architectures amd64, i386 !
```ksh
# syspatch
```
Ensuite [redémarrez](#restart) la machine car ces correctifs affectent le noyau !
## Restart
```ksh
# reboot
```
---
## Documentations
**Note** : La TLB est une mémoire cache du processeur. <br>
cf : Article Wikipédia à-propos de la TLB : [FR][10], [EN][11]
**Note** : la fonctionnalité PPGTT *(Per-Process Graphics Translation Tables)*
semble être un processus d'isolation du GPU. <br>
cf : Article sur [Phoronix](https://www.phoronix.com/scan.php?page=news_item&px=MTUzNzQ)
⇒ Plus d'informations sur les pages d'Errata [6.9][1] et [6.8][2]… <br>
*et leurs versions FR respectives : [6.9 FR][3] et [6.8 FR][4].*
---
[1]: https://openbsd.org/errata69.html
[2]: https://openbsd.org/errata68.html
[3]: https://wiki.openbsd.fr.eu.org/doku.php/openbsd.org/errata69
[4]: https://wiki.openbsd.fr.eu.org/doku.php/openbsd.org/errata68
[10]: https://fr.wikipedia.org/wiki/Translation_lookaside_buffer
[11]: https://en.wikipedia.org/wiki/Translation_lookaside_buffer

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@ -75,6 +75,8 @@ Ensuite [redémarrez](#restart) la machine car ce correctif affecte le noyau !
---
## Documentations
Plus d'informations sur les pages d'Errata [6.9][1] et [6.8][2]… <br>
*et leurs versions FR respectives : [6.9 FR][3] et [6.8 FR][4].*

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@ -12,10 +12,6 @@ title: "Syspatch : pmapglobal (2021/05/22)"
**Les machines Intel récentes pouvaient planter ou se bloquer car les mappages globaux venant de la TLB n'étaient pas vidés**.
- Architecture ciblée : amd64.
---
***Note** : La TLB est une mémoire cache du processeur.*
---
@ -37,10 +33,13 @@ Ensuite [redémarrez](#restart) la machine car ce correctif affecte le noyau !
## Documentations
***Note** : La TLB est une mémoire cache du processeur.*
⇒ Article Wikipédia à-propos de la TLB : [FR][10], [EN][11]
⇒ Plus d'informations sur les pages d'Errata [6.9][1] et [6.8][2]… <br>
*et leurs versions FR respectives : [6.9 FR][3] et [6.8 FR][4].*
⇒ Article Wikipédia à-propos de la TLB : [FR][10], [EN][11]
---

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@ -54,7 +54,7 @@
"@context": "https://schema.org",
"@type": "WebPage",
"datePublished": "2020-12-09T12:16:58+01:00",
"dateModified": "2021-06-01T23:24:01+02:00",
"dateModified": "2021-06-02T03:42:47+02:00",
"url": "https://openbsd.fr.eu.org/about/",
"name": "À-propos…",
"description": "À-propos de la communauté française d'OpenBSD",
@ -235,7 +235,7 @@
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<time datetime="2021-06-02T03:42:47&#43;02:00" class="post-meta-item modified dt-updated"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" class="icon post-meta-icon"><path d="M400 64h-48V12c0-6.627-5.373-12-12-12h-40c-6.627 0-12 5.373-12 12v52H160V12c0-6.627-5.373-12-12-12h-40c-6.627 0-12 5.373-12 12v52H48C21.49 64 0 85.49 0 112v352c0 26.51 21.49 48 48 48h352c26.51 0 48-21.49 48-48V112c0-26.51-21.49-48-48-48zm-6 400H54a6 6 0 0 1-6-6V160h352v298a6 6 0 0 1-6 6zm-52.849-200.65L198.842 404.519c-4.705 4.667-12.303 4.637-16.971-.068l-75.091-75.699c-4.667-4.705-4.637-12.303.068-16.971l22.719-22.536c4.705-4.667 12.303-4.637 16.97.069l44.104 44.461 111.072-110.181c4.705-4.667 12.303-4.637 16.971.068l22.536 22.718c4.667 4.705 4.636 12.303-.069 16.97z"/></svg>&nbsp;2021.6.2</time>
@ -247,7 +247,7 @@
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@ -294,9 +294,9 @@ celle de PF et des Ports.</li>
</ul>
<p>Elle est également présente à travers :</p>
<ul>
<li>IRC : <strong>irc.geeknode.org #obsd4*</strong></li>
<li>Matrix : <strong>#obsd4a:matrix.fdn.fr</strong></li>
<li>et sur le salon XMPP <strong><a href="mailto:obsd4a%25irc.geeknode.org@irc.automario.eu">obsd4a%irc.geeknode.org@irc.automario.eu</a></strong>.</li>
<li>IRC : <strong>irc.geeknode.org #obsd4a</strong></li>
<li>Matrix : <strong><a href="https://matrix.to/#/#obsd4a:matrix.fdn.fr" target="_blank" rel="noopener">#obsd4a:matrix.fdn.fr</a></strong></li>
<li>et sur le salon XMPP : <strong>obsd4a%irc.geeknode.org@irc.automario.eu</strong>.</li>
</ul>
<h2 id="remerciements"><a href="#remerciements" class="anchor-link"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon anchor-icon"><path d="M326.612 185.391c59.747 59.809 58.927 155.698.36 214.59-.11.12-.24.25-.36.37l-67.2 67.2c-59.27 59.27-155.699 59.262-214.96 0-59.27-59.26-59.27-155.7 0-214.96l37.106-37.106c9.84-9.84 26.786-3.3 27.294 10.606.648 17.722 3.826 35.527 9.69 52.721 1.986 5.822.567 12.262-3.783 16.612l-13.087 13.087c-28.026 28.026-28.905 73.66-1.155 101.96 28.024 28.579 74.086 28.749 102.325.51l67.2-67.19c28.191-28.191 28.073-73.757 0-101.83-3.701-3.694-7.429-6.564-10.341-8.569a16.037 16.037 0 0 1-6.947-12.606c-.396-10.567 3.348-21.456 11.698-29.806l21.054-21.055c5.521-5.521 14.182-6.199 20.584-1.731a152.482 152.482 0 0 1 20.522 17.197zM467.547 44.449c-59.261-59.262-155.69-59.27-214.96 0l-67.2 67.2c-.12.12-.25.25-.36.37-58.566 58.892-59.387 154.781.36 214.59a152.454 152.454 0 0 0 20.521 17.196c6.402 4.468 15.064 3.789 20.584-1.731l21.054-21.055c8.35-8.35 12.094-19.239 11.698-29.806a16.037 16.037 0 0 0-6.947-12.606c-2.912-2.005-6.64-4.875-10.341-8.569-28.073-28.073-28.191-73.639 0-101.83l67.2-67.19c28.239-28.239 74.3-28.069 102.325.51 27.75 28.3 26.872 73.934-1.155 101.96l-13.087 13.087c-4.35 4.35-5.769 10.79-3.783 16.612 5.864 17.194 9.042 34.999 9.69 52.721.509 13.906 17.454 20.446 27.294 10.606l37.106-37.106c59.271-59.259 59.271-155.699.001-214.959z"/></svg></a><a href="#contents:remerciements" class="headings">Remerciements</a></h2>
<p><a href="/donate">Merci</a> à toutes les personnes qui donnent de leur temps ou un peu d&rsquo;argent
@ -341,9 +341,9 @@ virtuelle louée chez <a href="https://openbsd.amsterdam/" target="_blank" rel="
<div class="updated-badge-container">
<span title="Updated @ 2021-06-01 23:24:01 CEST" style="cursor:help">
<span title="Updated @ 2021-06-02 03:42:47 CEST" style="cursor:help">
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</span></div>

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@ -4,7 +4,7 @@
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="fr">
<title type="text">OpenBSD Pour Tous 🐡</title>
<subtitle type="html">OBSD4* : Site de la communauté francophone autour d&#39;OpenBSD.</subtitle>
<updated>2021-06-01T23:57:45&#43;02:00</updated>
<updated>2021-06-02T03:44:41&#43;02:00</updated>
<id>https://openbsd.fr.eu.org/</id>
<link rel="alternate" type="text/html" href="https://openbsd.fr.eu.org/" />
<link rel="self" type="application/atom&#43;xml" href="https://openbsd.fr.eu.org/atom.xml" />
@ -20,7 +20,7 @@
<title type="text">Changement de canal sur IRC, Jabber et Matrix</title>
<link rel="alternate" type="text/html" href="https://openbsd.fr.eu.org/posts/2021/06/01/changement-irc-matrix-xmpp/" />
<id>https://openbsd.fr.eu.org/posts/2021/06/01/changement-irc-matrix-xmpp/</id>
<updated>2021-06-01T23:55:44&#43;02:00</updated>
<updated>2021-06-02T03:42:11&#43;02:00</updated>
<published>2021-06-01T23:22:31&#43;02:00</published>
<author>
<name>OBSD4a</name>
@ -34,7 +34,7 @@
de discussion :&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Canal IRC : #obsd4a / irc.geeknode.org&lt;/li&gt;
&lt;li&gt;Salon Matrix : &lt;a href=&#34;https://matrix.to/#/#obsd4a:matrix.fdn.fr&#34;&gt;https://matrix.to/#/#obsd4a:matrix.fdn.fr&lt;/a&gt;
&lt;li&gt;Salon Matrix : &lt;a href=&#34;https://matrix.to/#/#obsd4a:matrix.fdn.fr&#34;&gt;#obsd4a:matrix.fdn.fr&lt;/a&gt;
&lt;ul&gt;
&lt;li&gt;&lt;em&gt;la communauté est &amp;ldquo;visible&amp;rdquo; sur son &lt;a href=&#34;https://matrix.to/#/+obsd4a:matrix.org&#34;&gt;espace de communauté Matrix&lt;/a&gt;&lt;/em&gt;&lt;/li&gt;
&lt;/ul&gt;

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@ -255,7 +255,7 @@
<summary class="summary p-summary">
Description Une petite annonce officielle pour informer de nos changements de canaux de discussion :
Canal IRC : #obsd4a / irc.geeknode.org Salon Matrix : https://matrix.to/#/#obsd4a:matrix.fdn.fr la communauté est &ldquo;visible&rdquo; sur son espace de communauté Matrix Salon Jabber (XMPP) : #obsd4a%irc.
Canal IRC : #obsd4a / irc.geeknode.org Salon Matrix : #obsd4a:matrix.fdn.fr la communauté est &ldquo;visible&rdquo; sur son espace de communauté Matrix Salon Jabber (XMPP) : #obsd4a%irc.
</summary>
<div class="read-more-container">

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@ -23,7 +23,7 @@
<copyright>[CC 0](https://creativecommons.org/publicdomain/zero/1.0/deed.fr)</copyright>
<lastBuildDate>Tue, 01 Jun 2021 23:57:45 &#43;0200</lastBuildDate>
<lastBuildDate>Wed, 02 Jun 2021 03:44:41 &#43;0200</lastBuildDate>
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de discussion :&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;Canal IRC : #obsd4a / irc.geeknode.org&lt;/li&gt;
&lt;li&gt;Salon Matrix : &lt;a href=&#34;https://matrix.to/#/#obsd4a:matrix.fdn.fr&#34;&gt;https://matrix.to/#/#obsd4a:matrix.fdn.fr&lt;/a&gt;
&lt;li&gt;Salon Matrix : &lt;a href=&#34;https://matrix.to/#/#obsd4a:matrix.fdn.fr&#34;&gt;#obsd4a:matrix.fdn.fr&lt;/a&gt;
&lt;ul&gt;
&lt;li&gt;&lt;em&gt;la communauté est &amp;ldquo;visible&amp;rdquo; sur son &lt;a href=&#34;https://matrix.to/#/+obsd4a:matrix.org&#34;&gt;espace de communauté Matrix&lt;/a&gt;&lt;/em&gt;&lt;/li&gt;
&lt;/ul&gt;

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<loc>https://openbsd.fr.eu.org/posts/2021/06/01/changement-irc-matrix-xmpp/</loc>
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<lastmod>2021-06-02T03:42:11+02:00</lastmod>
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<lastmod>2021-06-01T23:55:44+02:00</lastmod>
<lastmod>2021-06-02T03:42:11+02:00</lastmod>
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<lastmod>2021-06-01T23:24:01+02:00</lastmod>
<lastmod>2021-06-02T03:42:47+02:00</lastmod>
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