I'm thinking it may be the latest update to libNX_X11 (a few days ago)
But the x2go repo does not contain old versions, so I can't test the downgrade.
Anyone know how to downgrade? rpm -q libNX_X11-6 libNX_X11-6-3.5.99.15-0.0build1.1.git20180308.2971.main.fc27.x86_64
dnf downgrade libNX_X11-6 Last metadata expiration check: 0:00:00 ago on Tue 13 Mar 2018 15:01:38 AEDT. Package libNX_X11-6 of lowest version already installed, cannot downgrade it. Error: No packages marked for downgrade.
On Tue, 13 Mar 2018 at 14:44, Norman Gaywood <ngaywood@une.edu.au> wrote:
I'm getting this on Fedora 27 (XFCE) as well.
x2goserver-4.1.0.0-0.0x2go1.1.git20180302.1517.main.fc27.x86_64
I notice that if you don't resize or move the x2go client window it stays stable (does not segfault).
On Mon, 12 Mar 2018 at 22:35, Kalle Tuulos <kalle@tuulos.net> wrote:
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: ---8<---8<--- 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 ---8<---8<---
This computer is running Ubuntu 16.04. X2go server has been installed using the ppa method. ---8<---8<--- 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 ---8<---8<---
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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-- Norman Gaywood, Computer Systems Officer School of Science and Technology University of New England Armidale NSW 2351, Australia
ngaywood@une.edu.au http://turing.une.edu.au/~ngaywood Phone: +61 (0)2 6773 2412 Mobile: +61 (0)4 7862 0062
Please avoid sending me Word or Power Point attachments. See http://www.gnu.org/philosophy/no-word-attachments.html
-- Norman Gaywood, Computer Systems Officer School of Science and Technology University of New England Armidale NSW 2351, Australia
ngaywood@une.edu.au http://turing.une.edu.au/~ngaywood Phone: +61 (0)2 6773 2412 Mobile: +61 (0)4 7862 0062
Please avoid sending me Word or Power Point attachments. See http://www.gnu.org/philosophy/no-word-attachments.html