First thing to do is to run <code>criu check</code>. At the end it should say "Looks OK", if it doesn't the messages on the screen explain what functionality is missing.
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First thing to do is to [[Checking the kernel|check the kernel]] by running <code>criu check</code>. At the end it should say "Looks OK", if it doesn't the messages on the screen explain what functionality is missing.
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Some kernel functionality is required in rare cases and may not block the dump (but sometimes may). These features can be checked by adding the <code>--extra</code> flag.
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If you're using our custom kernel, then the <code>--all</code> option can be used, in this case CRIU would check for ''all'' the kernel features to work.
You can then try running the [[ZDTM Test Suite]] which sits in the <code>tests/zdtm/</code> directory.
You can then try running the [[ZDTM Test Suite]] which sits in the <code>tests/zdtm/</code> directory.