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Regen after r273620

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Approved by:	re (implicit)
Sponsored by:	The FreeBSD Foundation
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Glen Barber 2014-10-25 01:18:10 +00:00
parent 57ce173a91
commit 23657fee27
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=45873
1 changed files with 30 additions and 3 deletions

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en_US.ISO8859-1/htdocs/releases/10.1R/errata.html
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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /><title>FreeBSD 10.1-RELEASE Errata</title><link rel="stylesheet" type="text/css" href="docbook.css" /><link rev="made" href="mailto:doc@FreeBSD.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><meta name="description" content="This document lists errata items for FreeBSD 10.1-RELEASE, containing significant information discovered after the release or too late in the release cycle to be otherwise included in the release documentation. This information includes security advisories, as well as news relating to the software or documentation that could affect its operation or usability. An up-to-date version of this document should always be consulted before installing this version of FreeBSD. This errata document for FreeBSD 10.1-RELEASE will be maintained until the release of FreeBSD 10.2-RELEASE." /></head><body><div class="article"><div xmlns="" class="titlepage"><div><div><h1 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="idp61401248"></a>FreeBSD 10.1-RELEASE Errata </h1></div><div><div xmlns="http://www.w3.org/1999/xhtml" class="author"><h3 class="author"><span class="orgname">The FreeBSD Project</span></h3></div></div><div><p xmlns="http://www.w3.org/1999/xhtml" class="copyright">Copyright © 2014 The FreeBSD Documentation
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /><title>FreeBSD 10.1-RELEASE Errata</title><link rel="stylesheet" type="text/css" href="docbook.css" /><link rev="made" href="mailto:doc@FreeBSD.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><meta name="description" content="This document lists errata items for FreeBSD 10.1-RELEASE, containing significant information discovered after the release or too late in the release cycle to be otherwise included in the release documentation. This information includes security advisories, as well as news relating to the software or documentation that could affect its operation or usability. An up-to-date version of this document should always be consulted before installing this version of FreeBSD. This errata document for FreeBSD 10.1-RELEASE will be maintained until the release of FreeBSD 10.2-RELEASE." /></head><body><div class="article"><div xmlns="" class="titlepage"><div><div><h1 xmlns="http://www.w3.org/1999/xhtml" class="title"><a id="idp61487264"></a>FreeBSD 10.1-RELEASE Errata </h1></div><div><div xmlns="http://www.w3.org/1999/xhtml" class="author"><h3 class="author"><span class="orgname">The FreeBSD Project</span></h3></div></div><div><p xmlns="http://www.w3.org/1999/xhtml" class="copyright">Copyright © 2014 The FreeBSD Documentation
Project</p></div><div><div xmlns="http://www.w3.org/1999/xhtml" class="legalnotice"><a id="trademarks"></a><p xmlns="http://www.w3.org/TR/xhtml1/transitional">FreeBSD is a registered trademark of
the FreeBSD Foundation. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Intel, Celeron, EtherExpress, i386,
i486, Itanium, Pentium, and Xeon are trademarks or registered
@ -13,7 +13,7 @@
as trademarks. Where those designations appear in this document,
and the FreeBSD Project was aware of the trademark claim, the
designations have been followed by the <span xmlns="http://www.w3.org/1999/xhtml" class="quote">&#8220;<span class="quote">&#8482;</span>&#8221;</span> or the
<span xmlns="http://www.w3.org/1999/xhtml" class="quote">&#8220;<span class="quote">®</span>&#8221;</span> symbol. </p></div></div><div>Last modified on 2014-10-14 by gjb.</div><div><div xmlns="http://www.w3.org/1999/xhtml" class="abstract"><div class="abstract-title">Abstract</div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This document lists errata items for FreeBSD 10.1-RELEASE,
<span xmlns="http://www.w3.org/1999/xhtml" class="quote">&#8220;<span class="quote">®</span>&#8221;</span> symbol. </p></div></div><div>Last modified on 2014-10-25 by gjb.</div><div><div xmlns="http://www.w3.org/1999/xhtml" class="abstract"><div class="abstract-title">Abstract</div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">This document lists errata items for FreeBSD 10.1-RELEASE,
containing significant information discovered after the
release or too late in the release cycle to be otherwise
included in the release documentation. This information
@ -49,7 +49,34 @@ boot</pre><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Note that the foll
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">/boot/loader.conf</code> after a boot. It
disables unmapped I/O at every boot: </p><pre class="programlisting">vfs.unmapped_buf_allowed=0</pre><p xmlns="http://www.w3.org/TR/xhtml1/transitional">[2014-04-03 update] It has been reported that
instability may be present on virtual machines running
on other hypervisors, such as Xen or KVM. </p></li></ul></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="late-news"></a>4. Late-Breaking News</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">No news. </p></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>This file, and other release-related documents,
on other hypervisors, such as Xen or KVM. </p></li><li class="listitem"><p xmlns="http://www.w3.org/TR/xhtml1/transitional">FreeBSD/i386 10.1-RELEASE configured with
a multi-disk ZFS dataset (mirror, raidz1, raidz2, raidz3)
may crash during boot when the ZFS pool mount is attempted
while booting an unmodified <code xmlns="http://www.w3.org/1999/xhtml" class="literal">GENERIC</code>
kernel. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">As described in <code xmlns="http://www.w3.org/1999/xhtml" class="filename">/usr/src/UPDATING</code>
entry <code xmlns="http://www.w3.org/1999/xhtml" class="literal">20121223</code>, rebuilding the kernel
with <code xmlns="http://www.w3.org/1999/xhtml" class="literal">options KSTACK_PAGES=4</code> has been
observed to resolve the boot-time crash. This, however, is
not an ideal solution for inclusion in the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">GENERIC</code> kernel configuration, as
increasing <code xmlns="http://www.w3.org/1999/xhtml" class="literal">KSTACK_PAGES</code> implicitly
decreases available usermode threads in an environment that
is already resource-starved. </p><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Taking into account the heavy resource requirements of
ZFS, in addition to the i386-specific tuning
requirements for general workloads, using ZFS with the
FreeBSD/i386 <code xmlns="http://www.w3.org/1999/xhtml" class="literal">GENERIC</code> kernel
is strongly discouraged. </p><div xmlns="" class="warning"><h3 class="admontitle">Warning: </h3><p xmlns="http://www.w3.org/TR/xhtml1/transitional">It is extremely important to take note that, by
default, <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">freebsd-update</span>(8)</span></a> will install the
<code xmlns="http://www.w3.org/1999/xhtml" class="literal">GENERIC</code> kernel configuration, and
as such, <a xmlns="http://www.w3.org/1999/xhtml" class="citerefentry" href="http://www.FreeBSD.org/cgi/man.cgi?query=freebsd-update&amp;sektion=8"><span class="citerefentry"><span class="refentrytitle">freebsd-update</span>(8)</span></a> consumers are strongly
encouraged to avoid FreeBSD-provided kernel binary upgrades
with such configurations. </p></div><div xmlns="" class="note"><h3 class="admontitle">Note: </h3><p xmlns="http://www.w3.org/TR/xhtml1/transitional">Although there is slight change in how the crash
manifests on FreeBSD/i386 between 10.0-RELEASE and
10.1-RELEASE, and given the date of the
<code xmlns="http://www.w3.org/1999/xhtml" class="filename">/usr/src/UPDATING</code> entry, there is no
evidence suggesting this is a regression between
FreeBSD 10.0-RELEASE and FreeBSD 10.1-RELEASE
directly. </p></div></li></ul></div></div><div class="sect1"><div xmlns="" class="titlepage"><div><div><h2 xmlns="http://www.w3.org/1999/xhtml" class="title" style="clear: both"><a id="late-news"></a>4. Late-Breaking News</h2></div></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional">No news. </p></div></div><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>This file, and other release-related documents,
can be downloaded from <a href="http://www.FreeBSD.org/releases/">http://www.FreeBSD.org/releases/</a>.</small></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>For questions about FreeBSD, read the
<a href="http://www.FreeBSD.org/docs.html">documentation</a> before
contacting &lt;<a href="mailto:questions@FreeBSD.org">questions@FreeBSD.org</a>&gt;.</small></p><p xmlns="http://www.w3.org/TR/xhtml1/transitional" align="center"><small>All users of FreeBSD 10.1-STABLE should