<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">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">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">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">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">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>
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<a href="https://lists.x2go.org/listinfo/x2go-user" rel="noreferrer" target="_blank">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">ngaywood@une.edu.au</a> <a href="http://turing.une.edu.au/~ngaywood" target="_blank">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">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">ngaywood@une.edu.au</a> <a href="http://turing.une.edu.au/~ngaywood" target="_blank">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">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">ngaywood@une.edu.au</a> <a href="http://turing.une.edu.au/~ngaywood" target="_blank">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">http://www.gnu.org/philosophy/no-word-attachments.html</a><br></div></div></div>