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    <p>Özkan,<br>
    </p>
    <p>as you report, your device-mapper version is too recent for your
      kernel<br>
      (the major version has to match and the kernel minor version needs
      to greater or equal),<br>
      i.e. 4.39 is too recent for version 4.37 in the kernel.</p>
    <p>In case you updated kernel and userspace by pacman means,
      something's broken in the Arch repositories.<br>
    </p>
    <p>You either have to downgrade your device-mapper userspace<br>
      or upgrade your kernel accordingly.<br>
      <br>
      Heinz<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 09/19/2018 12:35 PM, Özkan Göksu
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAPUHmCpwJ7jX-d6PHdmOWQC47zOBkT1-c6o2DH4xS9_Uq13vBA@mail.gmail.com">
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                style="font-family:Consolas,"Lucida
Console",monospace;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0);font-size:12.8px">Hello.
                <br>
                <span style="font-size:12.8px">I just upgraded my Kernel
                  to: 4.14.70-1-lts | device-mapper 2.02.181-1 |
                  multipath-tools 0.7.7-1</span><br>
              </div>
              <div class="gmail-linestyle2 gmail-colourline"
                style="font-family:Consolas,"Lucida
Console",monospace;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0);font-size:12.8px"><span
                  style="font-size:12.8px">After that multipathd started
                  to giving the log: </span><span
                  style="font-size:12.8px">// device-mapper: ioctl:
                  ioctl interface mismatch: kernel(4.37.0),
                  user(4.39.0), cmd(16)</span><br>
              </div>
              <div class="gmail-linestyle2 gmail-colourline"
                style="font-family:Consolas,"Lucida
Console",monospace;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0);font-size:12.8px"><span
                  style="font-size:12.8px">It was working great on my ex
                  kernel "4.14.30-1-lts" with | device-mapper 2.02.177-5
                  | multipath-tools 0.7.6-1</span><br>
              </div>
              <div class="gmail-linestyle2 gmail-colourline"
                style="font-family:Consolas,"Lucida
Console",monospace;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0);font-size:12.8px"><span
                  style="font-size:12.8px">Also I tried multipath git
                  version but nothing change.</span><br>
              </div>
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                style="font-family:Consolas,"Lucida
Console",monospace;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0);font-size:12.8px"><br>
              </div>
              <div class="gmail-linestyle1 gmail-colourline"
                style="font-family:Consolas,"Lucida
Console",monospace;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0);font-size:12.8px">I
                think the problem related to device-mapper and my device
                mapper Build Date: 2018-08-01 19:05 UTC = <a
                  href="https://www.archlinux.org/packages/core/x86_64/device-mapper/"
                  target="_blank" rel="noopener" moz-do-not-send="true">https://www.archlinux.org/packages/core/x86_64/device-mapper/</a></div>
              <div class="gmail-linestyle2 gmail-colourline"
                style="font-family:Consolas,"Lucida
Console",monospace;padding-left:7px;word-wrap:break-word;color:rgb(0,0,0);font-size:12.8px">Do
                I need to compile device mapper git version or what
                should I do?</div>
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