FreeBSD web build failed on build-web.ysv.freebsd.org

[User Www-data]

===> relnotes/CURRENT/relnotes (all)
Warning: Object directory not changed from original /usr/local/www/build/relnotes/doc/en_US.ISO8859-1/relnotes
===> relnotes/CURRENT/hardware (all)
cd /usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../share/xml && make MAN2HWNOTES_FLAGS= dev-auto.ent
/usr/bin/perl /usr/local/www/build/relnotes/doc/share/xml/../../share/misc/man2hwnotes.pl  -a /usr/local/www/build/relnotes/doc/share/xml/../../share/misc/dev.archlist.txt -o dev-auto.ent /usr/local/www/build/relnotes/doc/share/xml/../../../man4/*.4 /usr/local/www/build/relnotes/doc/share/xml/../../../man4/man4.*/*.4
env XML_CATALOG_FILES="file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../share/xml/catalog.xml" /usr/local/bin/xmllint --nonet --noent --valid --dropdtd --xinclude /usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/article.xml > article.parsed.xml.tmp
==> Profiling
env XML_CATALOG_FILES="file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../share/xml/catalog.xml" /usr/local/bin/xsltproc --param profile.attribute "'releasetype'" --param profile.value "'snapshot'" http://docbook.sourceforge.net/release/xsl-ns/current/profiling/profile.xsl article.parsed.xml.tmp > article.parsed.xml
/bin/rm article.parsed.xml.tmp
/usr/bin/sed 's|@@URL_RELPREFIX@@|http://www.FreeBSD.org|g' < article.parsed.xml > article.parsed.print.xml
/usr/bin/sed -i '' -e 's|@@URL_RELPREFIX@@|../../../..|g' article.parsed.xml
env XML_CATALOG_FILES="file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../share/xml/catalog.xml" /usr/local/bin/xsltproc --param release.url "'https://www.FreeBSD.org/snapshots/'" --param release.branch "'12-CURRENT'" --param release.maillist "'current'" --param toc.section.depth "'3'" --xinclude --nonet --maxvars 20000 --stringparam latestrevision.timestamp "2017-03-23 00:56:52Z" --stringparam latestrevision.committer "ngie" --stringparam latestrevision.number "315761"  --param docformatnav "'1'" http://www.FreeBSD.org/release/XML/share/xml/release.xsl article.parsed.xml > article.html
env XML_CATALOG_FILES="file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware/../../share/xml/catalog.xml" /usr/local/bin/xsltproc --param release.url "'https://www.FreeBSD.org/snapshots/'" --param release.branch "'12-CURRENT'" --param release.maillist "'current'" --param toc.section.depth "'3'" --xinclude --nonet --maxvars 20000 --stringparam latestrevision.timestamp "2017-03-23 00:56:52Z" --stringparam latestrevision.committer "ngie" --stringparam latestrevision.number "315761"  --param docformatnav "'1'" http://www.FreeBSD.org/XML/share/xml/freebsd-xhtml-chunk.xsl article.parsed.xml
Writing trademarks.html for legalnotice(trademarks)
Writing proc.html for sect1(proc)
Writing support.html for sect1(support)
Writing index.html for article
Writing HTML.manifest
Warning: Object directory not changed from original /usr/local/www/build/relnotes/doc/en_US.ISO8859-1/hardware
===> relnotes/CURRENT/readme (all)
Warning: Object directory not changed from original /usr/local/www/build/relnotes/doc/en_US.ISO8859-1/readme
===> relnotes/CURRENT/errata (all)
Warning: Object directory not changed from original /usr/local/www/build/relnotes/doc/en_US.ISO8859-1/errata
Warning: Object directory not changed from original /usr/local/www/build/relnotes11/doc/en_US.ISO8859-1
===> relnotes/11-STABLE/relnotes (all)
Warning: Object directory not changed from original /usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/relnotes
===> relnotes/11-STABLE/hardware (all)
cd /usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/hardware/../../share/xml && make MAN2HWNOTES_FLAGS= dev-auto.ent
`dev-auto.ent' is up to date.
env XML_CATALOG_FILES="file:///usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/hardware/catalog-cwd.xml  file:///usr/local/www/build/head/en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/head/share/xml/catalog.xml  file:///usr/local/share/xml/catalog file:///usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/hardware/../../en_US.ISO8859-1/share/xml/catalog.xml  file:///usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/hardware/../../share/xml/catalog.xml" /usr/local/bin/xmllint --nonet --noent --valid --dropdtd --xinclude /usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/hardware/article.xml > article.parsed.xml.tmp
/usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/hardware/article.xml:881: parser error : Entity 'hwlist.mlx4en' not defined
      &hwlist.mlx4en;
                     ^
*** Error code 4

Stop.
make[3]: stopped in /usr/local/www/build/relnotes11/doc/en_US.ISO8859-1/hardware
*** Error code 1

Stop.
make[2]: stopped in /usr/local/www/build/relnotes11/doc/en_US.ISO8859-1
*** Error code 1

Stop.
make[1]: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs/relnotes
*** Error code 1

Stop.
make: stopped in /usr/local/www/build/head/en_US.ISO8859-1/htdocs
       13.93 real         7.52 user         6.92 sys