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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>
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-- <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>
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</div>
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<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>
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