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<p class="MsoNormal"><span lang="EN-US">Hi</span></p>
<p class="MsoNormal"><span lang="EN-US"> I’m using CentOS7.7 with kernel version 5.3.11-1.el7.elrepo.x86_64.</span></p>
<p class="MsoNormal"><span lang="EN-US"> When I run command </span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span class="MsoIntenseEmphasis"><b><span lang="EN-US" style="color:black;font-style:normal">criu check --all<o:p></o:p></span></b></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span lang="EN-US">I got a result typing
</span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><b><span lang="EN-US">Warn (criu/cr-check.c:850): Dirty tracking is OFF. Memory snapshot will not work.<o:p></o:p></span></b></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span lang="EN-US">This may not be fatal,but I need this feature in my work.So is there any way to solve this problem or turn on dirty tracking?</span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span lang="EN-US">Thanks.</span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><b><span lang="EN-US" style="font-size:12.0pt"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p>
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