Hello

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.

I'm getting following into /var/log/syslog:

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Mar 12 13:15:40 kallebuntu systemd[1]: Started Session 10 of user ktuulos.

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)

Mar 12 13:15:51 kallebuntu /usr/bin/x2gostartagent: successfully started X2Go Agent session with ID ktuulos-50-1520853345_stDLXDE_dp32

Mar 12 13:15:58 kallebuntu kernel: [ 1315.845394] nxagent[9647]: segfault at 8 ip 000056286f70db3a sp 00007ffea2bd1bc0 error 4 in nxagent[56286f693000+432000]

Mar 12 13:16:04 kallebuntu /usr/bin/x2gosetkeyboard: Setting X keyboard according to /home/ktuulos/.x2go/C-ktuulos-50-1520853345_stDLXDE_dp32/keyboard

Mar 12 13:16:05 kallebuntu /usr/bin/x2goruncommand: launching session with Xsession-x2go mechanism, using STARTUP="startlxde"

Mar 12 13:16:05 kallebuntu /usr/bin/x2goruncommand: dbus wrapper available as /usr/bin/dbus-run-session

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This computer is running Ubuntu 16.04. X2go server has been installed using the ppa method.

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ktuulos@kallebuntu:~$ uname -a

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

ktuulos@kallebuntu:~$ dpkg -s x2goserver | grep Version

Version: 4.1.0.0-0~1517~ubuntu16.04.1

ktuulos@kallebuntu:~$ cat /etc/apt/sources.list.d/x2go-ubuntu-stable-xenial.list

deb http://ppa.launchpad.net/x2go/stable/ubuntu xenial main

# deb-src http://ppa.launchpad.net/x2go/stable/ubuntu xenial main

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There seem to be no hardware problems - I installed mcelog and I'm now monitoring its output. Nothing.

Could anyone give some hints? I have spent the last hour googling about "nxagent segfault", but I haven't found anything, which would help.

Thanks,

  Kalle

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