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    <p>Hello</p>
    <p>I just upgraded my Ubuntu setup with a normal apt-get upgrade and
      nx-agent version 2:3.5.99.16-0~201803162252~ubuntu16.04.1 was
      installed. The segfault problem went away, X2Go works again "as
      specified".</p>
    <p>BR,</p>
    <p>  Kalle<br>
    </p>
    <br>
    <div class="moz-cite-prefix">Norman Gaywood kirjoitti 13.3.2018 klo
      6:43:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAHJ-_U6nAU8oGH7tngW-NvCUU+m2ZdeS=SxLcXNeEbkUFX2R9w@mail.gmail.com">
      <div dir="ltr">I've got several users reporting seg faults in
        nxagent
        <div><br>
        </div>
        <div>Mine occur when moving my x2goclient window from one screen
          to another. Simple resizing seems OK.</div>
        <div><br>
        </div>
        <div>Not sure if this is the same for all my users though.</div>
        <div><br>
        </div>
        <div>Seems to be happening after these updates:</div>
        <div><br>
        </div>
        <div>
          <div>nxproxy-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64
            Mon 12 Mar 2018 09:14:38 AEDT</div>
          <div>nxagent-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64
            Mon 12 Mar 2018 09:14:38 AEDT</div>
          <div>libXcompshad3-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64
            Mon 12 Mar 2018 09:14:37 AEDT</div>
          <div>libXcomp3-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64
            Mon 12 Mar 2018 09:14:36 AEDT</div>
          <div>libNX_X11-6-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64
            Mon 12 Mar 2018 09:14:36 AEDT</div>
          <div>nx-libs-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64
            Mon 12 Mar 2018 09:14:35 AEDT</div>
        </div>
        <div><br>
        </div>
        <div>It does not seem to be possible to roll back.</div>
        <div><br>
        </div>
      </div>
      <br>
      <br>
      <div class="gmail_quote">
        <div dir="ltr">On Tue, 13 Mar 2018 at 15:02, Norman Gaywood <<a
            href="mailto:ngaywood@une.edu.au" moz-do-not-send="true">ngaywood@une.edu.au</a>>
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div dir="ltr">I'm thinking it may be the latest update
            to libNX_X11 (a few days ago)
            <div><br>
            </div>
            <div>But the x2go repo does not contain old versions, so I
              can't test the downgrade.</div>
            <div><br>
            </div>
            <div>Anyone know how to downgrade?</div>
            <div>
              <div>rpm -q libNX_X11-6 </div>
              <div>libNX_X11-6-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64</div>
            </div>
            <div><br>
            </div>
            <div>
              <div>dnf downgrade libNX_X11-6</div>
              <div>Last metadata expiration check: 0:00:00 ago on Tue 13
                Mar 2018 15:01:38 AEDT.</div>
              <div>Package libNX_X11-6 of lowest version already
                installed, cannot downgrade it.</div>
              <div>Error: No packages marked for downgrade.</div>
            </div>
            <div><br>
            </div>
            <div><br>
            </div>
          </div>
          <br>
          <br>
          <div class="gmail_quote">
            <div dir="ltr">On Tue, 13 Mar 2018 at 14:44, Norman Gaywood
              <<a href="mailto:ngaywood@une.edu.au" target="_blank"
                moz-do-not-send="true">ngaywood@une.edu.au</a>>
              wrote:<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div dir="ltr">I'm getting this on Fedora 27 (XFCE) as
                well.
                <div><br>
                </div>
                <div>x2goserver-4.1.0.0-0.0x2go1.1.git20180302.1517.main.fc27.x86_64<br>
                </div>
                <div><br>
                </div>
                <div>I notice that if you don't resize or move the x2go
                  client window it stays stable (does not segfault).</div>
              </div>
              <br>
              <br>
              <div class="gmail_quote">
                <div dir="ltr">On Mon, 12 Mar 2018 at 22:35, Kalle
                  Tuulos <<a href="mailto:kalle@tuulos.net"
                    target="_blank" moz-do-not-send="true">kalle@tuulos.net</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0 0 0
                  .8ex;border-left:1px #ccc solid;padding-left:1ex">
                  <div dir="ltr">Hello
                    <div><br>
                    </div>
                    <div>
                      <div
                        class="m_-2175516459356926253m_-5840213002800562689gmail_signature">
                        <div dir="ltr">
                          <div>I'm using X2Go server in several
                            computers, all running Ubuntu. Just today,
                            one of my computers (headless Linux box)
                            just froze and I had to give it a power
                            cycle reset. After powering up again, I
                            can't any more connect to X2Go.</div>
                          <div><br>
                          </div>
                          <div>I'm getting following into
                            /var/log/syslog:</div>
                          <div>---8<---8<---</div>
                          <div>
                            <div
style="color:rgb(34,34,34);font-size:small;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">
                              <div><font face="monospace, monospace">Mar
                                  12 13:15:40 kallebuntu systemd[1]:
                                  Started Session 10 of user ktuulos.</font></div>
                              <div><font face="monospace, monospace">Mar
                                  12 13:15:49 kallebuntu
                                  /usr/sbin/x2gocleansessions[1091]:
                                  ktuulos-50-1520853345_stDLXDE_dp32:
                                  state file for this session does not
                                  exist:
                                  /tmp/.x2go-ktuulos/C-ktuulos-50-1520853345_stDLXDE_dp32/state
                                  (this can be ignored during session
                                  startups)<br>
                                </font></div>
                              <div><font face="monospace, monospace">Mar
                                  12 13:15:51 kallebuntu
                                  /usr/bin/x2gostartagent: successfully
                                  started X2Go Agent session with ID
                                  ktuulos-50-1520853345_stDLXDE_dp32</font></div>
                              <div><font face="monospace, monospace">Mar
                                  12 13:15:58 kallebuntu kernel: [
                                  1315.845394] nxagent[9647]: segfault
                                  at 8 ip 000056286f70db3a sp
                                  00007ffea2bd1bc0 error 4 in
                                  nxagent[56286f693000+432000]</font></div>
                              <div><font face="monospace, monospace">Mar
                                  12 13:16:04 kallebuntu
                                  /usr/bin/x2gosetkeyboard: Setting X
                                  keyboard according to
                                  /home/ktuulos/.x2go/C-ktuulos-50-1520853345_stDLXDE_dp32/keyboard</font></div>
                              <div><font face="monospace, monospace">Mar
                                  12 13:16:05 kallebuntu
                                  /usr/bin/x2goruncommand: launching
                                  session with Xsession-x2go mechanism,
                                  using STARTUP="startlxde"</font></div>
                              <div><font face="monospace, monospace">Mar
                                  12 13:16:05 kallebuntu
                                  /usr/bin/x2goruncommand: dbus wrapper
                                  available as /usr/bin/dbus-run-session</font></div>
                              <div style="font-family:arial,sans-serif">---8<---8<---<br>
                              </div>
                            </div>
                            <br
class="m_-2175516459356926253m_-5840213002800562689gmail-Apple-interchange-newline">
                            This computer is running Ubuntu 16.04. X2go
                            server has been installed using the ppa
                            method.</div>
                          <div>---8<---8<---</div>
                          <div>
                            <div><font face="monospace, monospace">ktuulos@kallebuntu:~$
                                uname -a</font></div>
                            <div><font face="monospace, monospace">Linux
                                kallebuntu 4.13.0-36-generic
                                #40~16.04.1-Ubuntu SMP Fri Feb 16
                                23:25:58 UTC 2018 x86_64 x86_64 x86_64
                                GNU/Linux</font></div>
                          </div>
                          <div>
                            <div><font face="monospace, monospace">ktuulos@kallebuntu:~$
                                dpkg -s x2goserver | grep Version</font></div>
                            <div><font face="monospace, monospace">Version:
                                4.1.0.0-0~1517~ubuntu16.04.1</font></div>
                          </div>
                          <div>
                            <div><font face="monospace, monospace">ktuulos@kallebuntu:~$
                                cat
                                /etc/apt/sources.list.d/x2go-ubuntu-stable-xenial.list</font></div>
                            <div><font face="monospace, monospace">deb <a
href="http://ppa.launchpad.net/x2go/stable/ubuntu" target="_blank"
                                  moz-do-not-send="true">http://ppa.launchpad.net/x2go/stable/ubuntu</a>
                                xenial main</font></div>
                            <div><font face="monospace, monospace">#
                                deb-src <a
                                  href="http://ppa.launchpad.net/x2go/stable/ubuntu"
                                  target="_blank" moz-do-not-send="true">http://ppa.launchpad.net/x2go/stable/ubuntu</a>
                                xenial main</font></div>
                          </div>
                          <div>---8<---8<---<br>
                          </div>
                          <div><br>
                          </div>
                          <div>There seem to be no hardware problems - I
                            installed mcelog and I'm now monitoring its
                            output. Nothing.</div>
                          <div><br>
                          </div>
                          <div>Could anyone give some hints? I have
                            spent the last hour googling about "nxagent
                            segfault", but I haven't found anything,
                            which would help.</div>
                          <div><br>
                          </div>
                          <div>Thanks,</div>
                          <div>  Kalle</div>
                          <div><br>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                  _______________________________________________<br>
                  x2go-user mailing list<br>
                  <a href="mailto:x2go-user@lists.x2go.org"
                    target="_blank" moz-do-not-send="true">x2go-user@lists.x2go.org</a><br>
                  <a href="https://lists.x2go.org/listinfo/x2go-user"
                    rel="noreferrer" target="_blank"
                    moz-do-not-send="true">https://lists.x2go.org/listinfo/x2go-user</a></blockquote>
              </div>
              <br clear="all">
              <div><br>
              </div>
              -- <br>
              <div dir="ltr"
                class="m_-2175516459356926253gmail_signature"
                data-smartmail="gmail_signature">
                <div dir="ltr">
                  <div>Norman Gaywood, Computer Systems Officer</div>
                  <div>School of Science and Technology<br>
                    University of New England</div>
                  <div>Armidale NSW 2351, Australia<br>
                    <br>
                    <a href="mailto:ngaywood@une.edu.au" target="_blank"
                      moz-do-not-send="true">ngaywood@une.edu.au</a>  <a
                      href="http://turing.une.edu.au/%7Engaywood"
                      target="_blank" moz-do-not-send="true">http://turing.une.edu.au/~ngaywood</a></div>
                  <div>Phone: +61 (0)2 6773 2412  Mobile: +61 (0)4 7862
                    0062<br>
                    <br>
                    Please avoid sending me Word or Power Point
                    attachments.<br>
                    See <a
                      href="http://www.gnu.org/philosophy/no-word-attachments.html"
                      target="_blank" moz-do-not-send="true">http://www.gnu.org/philosophy/no-word-attachments.html</a><br>
                  </div>
                </div>
              </div>
            </blockquote>
          </div>
          <br clear="all">
          <div><br>
          </div>
          -- <br>
          <div dir="ltr" class="m_-2175516459356926253gmail_signature"
            data-smartmail="gmail_signature">
            <div dir="ltr">
              <div>Norman Gaywood, Computer Systems Officer</div>
              <div>School of Science and Technology<br>
                University of New England</div>
              <div>Armidale NSW 2351, Australia<br>
                <br>
                <a href="mailto:ngaywood@une.edu.au" target="_blank"
                  moz-do-not-send="true">ngaywood@une.edu.au</a>  <a
                  href="http://turing.une.edu.au/%7Engaywood"
                  target="_blank" moz-do-not-send="true">http://turing.une.edu.au/~ngaywood</a></div>
              <div>Phone: +61 (0)2 6773 2412  Mobile: +61 (0)4 7862 0062<br>
                <br>
                Please avoid sending me Word or Power Point attachments.<br>
                See <a
                  href="http://www.gnu.org/philosophy/no-word-attachments.html"
                  target="_blank" moz-do-not-send="true">http://www.gnu.org/philosophy/no-word-attachments.html</a><br>
              </div>
            </div>
          </div>
        </blockquote>
      </div>
      <br clear="all">
      <div><br>
      </div>
      -- <br>
      <div dir="ltr" class="gmail_signature"
        data-smartmail="gmail_signature">
        <div dir="ltr">
          <div>Norman Gaywood, Computer Systems Officer</div>
          <div>School of Science and Technology<br>
            University of New England</div>
          <div>Armidale NSW 2351, Australia<br>
            <br>
            <a href="mailto:ngaywood@une.edu.au" target="_blank"
              moz-do-not-send="true">ngaywood@une.edu.au</a>  <a
              href="http://turing.une.edu.au/%7Engaywood"
              target="_blank" moz-do-not-send="true">http://turing.une.edu.au/~ngaywood</a></div>
          <div>Phone: +61 (0)2 6773 2412  Mobile: +61 (0)4 7862 0062<br>
            <br>
            Please avoid sending me Word or Power Point attachments.<br>
            See <a
              href="http://www.gnu.org/philosophy/no-word-attachments.html"
              target="_blank" moz-do-not-send="true">http://www.gnu.org/philosophy/no-word-attachments.html</a><br>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
x2go-user mailing list
<a class="moz-txt-link-abbreviated" href="mailto:x2go-user@lists.x2go.org">x2go-user@lists.x2go.org</a>
<a class="moz-txt-link-freetext" href="https://lists.x2go.org/listinfo/x2go-user">https://lists.x2go.org/listinfo/x2go-user</a></pre>
    </blockquote>
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