]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - release/doc/en_US.ISO8859-1/errata/article.xml
Final touches to 11.2-RELEASE release notes:
[FreeBSD/FreeBSD.git] / release / doc / en_US.ISO8859-1 / errata / article.xml
1 <?xml version="1.0" encoding="iso-8859-1"?>
2 <!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN"
3         "http://www.FreeBSD.org/XML/share/xml/freebsd50.dtd" [
4 <!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN"
5         "http://www.FreeBSD.org/release/XML/release.ent">
6 %release;
7 <!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent">
8 %sponsor;
9 <!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent">
10 %vendor;
11 <!ENTITY security SYSTEM "../../share/xml/security.xml">
12 <!ENTITY errata SYSTEM "../../share/xml/errata.xml">
13 ]>
14
15 <article xmlns="http://docbook.org/ns/docbook"
16         xmlns:xlink="http://www.w3.org/1999/xlink"
17         xml:id="top"
18         version="5.0">
19   <info>
20     <title>&os; &release; Errata</title>
21
22     <author><orgname>The &os; Project</orgname></author>
23
24     <pubdate>$FreeBSD$</pubdate>
25
26     <copyright>
27       <year>2018</year>
28
29       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
30         Project</holder>
31     </copyright>
32
33     <legalnotice xml:id="trademarks" role="trademarks">
34       &tm-attrib.freebsd;
35       &tm-attrib.intel;
36       &tm-attrib.sparc;
37       &tm-attrib.general;
38     </legalnotice>
39
40     <abstract>
41       <para>This document lists errata items for &os; &release;,
42         containing significant information discovered after the
43         release or too late in the release cycle to be otherwise
44         included in the release documentation.  This information
45         includes security advisories, as well as news relating to the
46         software or documentation that could affect its operation or
47         usability.  An up-to-date version of this document should
48         always be consulted before installing this version of
49         &os;.</para>
50
51       <para>This errata document for &os; &release; will be maintained
52         until the release of &os; &release.next;.</para>
53     </abstract>
54   </info>
55
56   <sect1 xml:id="intro">
57     <title>Introduction</title>
58
59     <para>This errata document contains <quote>late-breaking
60         news</quote> about &os; &release;.  Before installing this
61       version, it is important to consult this document to learn about
62       any post-release discoveries or problems that may already have
63       been found and fixed.</para>
64
65     <para>Any version of this errata document actually distributed
66       with the release (for example, on a CDROM distribution) will be
67       out of date by definition, but other copies are kept updated on
68       the Internet and should be consulted as the <quote>current
69         errata</quote> for this release.  These other copies of the
70       errata are located at <link
71         xlink:href="https://www.FreeBSD.org/releases/" />, plus any
72       sites which keep up-to-date mirrors of this location.</para>
73
74     <para>Source and binary snapshots of &os; &release.branch; also
75       contain up-to-date copies of this document (as of the time of
76       the snapshot).</para>
77
78     <para>For a list of all &os; CERT security advisories, see <link
79         xlink:href="https://www.FreeBSD.org/security/"/>.</para>
80   </sect1>
81
82   <sect1 xml:id="security">
83     <title>Security Advisories</title>
84
85     &security;
86   </sect1>
87
88   <sect1 xml:id="errata">
89     <title>Errata Notices</title>
90
91     &errata;
92   </sect1>
93
94   <sect1 xml:id="open-issues">
95     <title>Open Issues</title>
96
97     <itemizedlist>
98       <listitem>
99         <para>&os;/&arch.i386; installed on ZFS may crash during boot
100           when the ZFS pool mount is attempted while booting an
101           unmodified <literal>GENERIC</literal> kernel.</para>
102
103         <para>A system tunable has been added as of revision
104           <literal>r286584</literal> to make the
105           <literal>kern.kstack_pages</literal> tunable configurable
106           without recompiling the kernel.</para>
107
108         <para>To mitigate system crashes with such configurations,
109           choose <literal>Escape to loader prompt</literal> in the
110           boot menu and enter the following lines from &man.loader.8;
111           prompt, after an <literal>OK</literal>:</para>
112
113         <screen>set kern.kstack_pages=4
114 boot</screen>
115
116         <para>Add this line to
117           <filename>/boot/loader.conf</filename> for the change to
118           persist across reboots:</para>
119
120         <programlisting>kern.kstack_pages=4</programlisting>
121       </listitem>
122
123       <listitem>
124         <para>[2017-07-25] &os;/&arch.arm64; currently lacks
125           <acronym>EFI</acronym> real-time clock
126           (<acronym>RTC</acronym>) support, which may cause the system
127           to boot with the wrong time set.</para>
128
129         <para>As a workaround, either enable &man.ntpdate.8; or
130           include <literal>ntpd_sync_on_start="YES"</literal> in
131           &man.rc.conf.5;.</para>
132       </listitem>
133
134       <listitem>
135         <para>[2017-07-25] A late issue was discovered with
136           &os;/&arch.arm64; and &quot;root on
137           <acronym>ZFS</acronym>&quot; installations where the root
138           <acronym>ZFS</acronym> pool would fail to be located.</para>
139
140         <para>There currently is no workaround.</para>
141       </listitem>
142
143       <listitem>
144         <para>[2017-11-06] An issue with &os; virtual machines with
145           <application>vagrant</application> was discovered that
146           affects the <application>VirtualBox</application> where the
147           virtual machine will not start on the initial boot invoked
148           with <literal>vagrant up</literal>.</para>
149
150         <para>The issue is due to the virtual machine
151           <acronym>MAC</acronym> being unset, as &os; does not provide
152           a default <filename>Vagrantfile</filename>.</para>
153
154         <para>It has been observed, however, that a subsequent
155           invocation of <literal>vagrant up</literal> will allow the
156           virtual machine to successfully boot, allowing access via
157           <literal>vagrant ssh</literal>.</para>
158       </listitem>
159
160       <listitem>
161         <para>[2018-06-21] An issue had been discovered late in the
162           release cycle where removing <acronym>ZFS</acronym> vdevs
163           from a pool under certain conditions would cause a system
164           crash when &man.zfsd.8; is enabled in
165           &man.rc.conf.5;.</para>
166
167         <para>At present, it is believed to be limited to removal of
168           a <literal>mirror</literal> vdev from a pool consisting of
169           multiple <literal>mirror</literal> vdevs.</para>
170
171         <para>See <acronym>PR</acronym> <link
172             xlink:href="https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228750">228750</link>
173           for more information and updates as the issue is
174           investigated.</para>
175       </listitem>
176     </itemizedlist>
177   </sect1>
178
179   <sect1 xml:id="late-news">
180     <title>Late-Breaking News</title>
181
182     <para>No news.</para>
183   </sect1>
184 </article>