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	<id>https://wiki.openvz.org/index.php?action=history&amp;feed=atom&amp;title=Proc%2Fsys%2Fkernel%2Fhung_task_verbosity</id>
	<title>Proc/sys/kernel/hung task verbosity - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.openvz.org/index.php?action=history&amp;feed=atom&amp;title=Proc%2Fsys%2Fkernel%2Fhung_task_verbosity"/>
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	<updated>2026-05-14T12:17:19Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.31.1</generator>
	<entry>
		<id>https://wiki.openvz.org/index.php?title=Proc/sys/kernel/hung_task_verbosity&amp;diff=12419&amp;oldid=prev</id>
		<title>Kir: enlarge</title>
		<link rel="alternate" type="text/html" href="https://wiki.openvz.org/index.php?title=Proc/sys/kernel/hung_task_verbosity&amp;diff=12419&amp;oldid=prev"/>
		<updated>2012-05-22T09:01:06Z</updated>

		<summary type="html">&lt;p&gt;enlarge&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 09:01, 22 May 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot; &gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The sysctl setting &amp;lt;code&amp;gt;kernel.hung_task_verbosity&amp;lt;/code&amp;gt; is available since kernel 042stab056.2.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The sysctl setting &amp;lt;code&amp;gt;kernel.hung_task_verbosity&amp;lt;/code&amp;gt; is available since kernel 042stab056.2.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It controls what to show when kernel reports about a hung task (&amp;lt;code&amp;gt;check_hung_task()&amp;lt;/code&amp;gt;). &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;It controls what to show when kernel reports about a hung task (&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;i.e. in &lt;/ins&gt;&amp;lt;code&amp;gt;check_hung_task()&amp;lt;/code&amp;gt; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;function&lt;/ins&gt;). &amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The following bits are defined:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The following bits are defined:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Kir</name></author>
		
	</entry>
	<entry>
		<id>https://wiki.openvz.org/index.php?title=Proc/sys/kernel/hung_task_verbosity&amp;diff=12418&amp;oldid=prev</id>
		<title>Kir: fixed cat</title>
		<link rel="alternate" type="text/html" href="https://wiki.openvz.org/index.php?title=Proc/sys/kernel/hung_task_verbosity&amp;diff=12418&amp;oldid=prev"/>
		<updated>2012-05-22T09:00:23Z</updated>

		<summary type="html">&lt;p&gt;fixed cat&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 09:00, 22 May 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot; &gt;Line 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;{{&lt;/del&gt;Category:Kernel&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[&lt;/ins&gt;Category:Kernel&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Kir</name></author>
		
	</entry>
	<entry>
		<id>https://wiki.openvz.org/index.php?title=Proc/sys/kernel/hung_task_verbosity&amp;diff=12417&amp;oldid=prev</id>
		<title>Kir: created</title>
		<link rel="alternate" type="text/html" href="https://wiki.openvz.org/index.php?title=Proc/sys/kernel/hung_task_verbosity&amp;diff=12417&amp;oldid=prev"/>
		<updated>2012-05-22T09:00:02Z</updated>

		<summary type="html">&lt;p&gt;created&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{DISPLAYTITLE:/proc/sys/kernel/hung_task_verbosity}}&lt;br /&gt;
&lt;br /&gt;
The sysctl setting &amp;lt;code&amp;gt;kernel.hung_task_verbosity&amp;lt;/code&amp;gt; is available since kernel 042stab056.2.&lt;br /&gt;
It controls what to show when kernel reports about a hung task (&amp;lt;code&amp;gt;check_hung_task()&amp;lt;/code&amp;gt;). &lt;br /&gt;
&lt;br /&gt;
The following bits are defined:&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Value || SysRQ key || Description&lt;br /&gt;
|-&lt;br /&gt;
| 1  || sysrq-p || CPUs&lt;br /&gt;
|-&lt;br /&gt;
| 2  || sysrq-t || Tasks&lt;br /&gt;
|-&lt;br /&gt;
| 4  || sysrq-m || Memory&lt;br /&gt;
|-&lt;br /&gt;
| 8  || sysrq-a || Scheduler&lt;br /&gt;
|-&lt;br /&gt;
| 0  || - || Nothing (this is the default)&lt;br /&gt;
|-&lt;br /&gt;
| -1 || - || Everything&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
{{Category:Kernel}}&lt;/div&gt;</summary>
		<author><name>Kir</name></author>
		
	</entry>
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