Sorry, no time right now..will read later. But the correct call is "nxagent :55". My fault...
Uli Robert Kudyba <rkud...@fordham.edu> schrieb am Mi., 19. Aug. 2020, 21:18: > nxagent -display :55 > > NXAGENT - Version 3.5.99.24 > > Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) > Copyright (c) 2008-2014 Oleksandr Shneyder <o.shney...@phoca-gmbh.de> > Copyright (c) 2011-2016 Mike Gabriel <mike.gabr...@das-netzwerkteam.de> > Copyright (c) 2014-2016 Ulrich Sibiller <ul...@gmx.de> > Copyright (c) 2014-2016 Mihai Moldovan <io...@ionic.de> > Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) > See https://github.com/ArcticaProject/nx-libs for more information. > > Info: Agent running with pid '894147'. > Session: Starting session at 'Wed Aug 19 14:50:26 2020'. > Error: Aborting session with 'Unable to open display ':55''. > Session: Aborting session at 'Wed Aug 19 14:50:26 2020'. > Session: Session aborted at 'Wed Aug 19 14:50:26 2020'. > > Alas the error might be a red herring and/or a chance to improve some > error/dependency checking. Here's what I did and what fixed it based on dnf > logs. Notice I chose XFCE. So last week I ran: > /var/log/dnf.log.1:2020-08-14T13:37:43Z DDEBUG Command: dnf groupinstall > -y Xfce Desktop > /var/log/dnf.log.1:2020-08-14T13:37:43Z DDEBUG Extra commands: > ['groupinstall', '-y', 'Xfce Desktop'] > /var/log/dnf.log.1:2020-08-14T13:37:47Z DEBUG ---> Package > greybird-xfce4-notifyd-theme.noarch 3.22.12-1.fc32 will be installed > /var/log/dnf.log.1: greybird-xfce4-notifyd-theme noarch > 3.22.12-1.fc32 fedora 22 k > /var/log/dnf.log.1: Xfce Desktop > /var/log/dnf.log.1: Xfce > /var/log/dnf.log.1: greybird-xfce4-notifyd-theme-3.22.12-1.fc32.noarch > ibus-qt-1.3.3-24.fc32.x86_64 > /var/log/dnf.log.1:2020-08-14T13:37:50Z DDEBUG > /var/cache/dnf/fedora-558931b5e76b51a7/packages/greybird-xfce4-notifyd-theme-3.22.12-1.fc32.noarch.rpm > removed > > I have been trying to get Gazebo the robotics package for ROS 2 to run and > it crashes straight away when launching from X2Go. So I ran dnf autoremove > and missed a very important clue: > > /var/log/dnf.log.1:2020-08-17T12:38:57Z DEBUG ---> Package > *xfce4-session.x86_64* 4.14.2-1.fc32 will be erased > /var/log/dnf.log.1: xfce4-session x86_64 > 4.14.2-1.fc32 @updates 2.1 M > > So a word to the wise...double check what really gets removed with that > command! > > Running yum -y groupinstall Xfce fixed the issue. Perhaps some error > checking can be improved for this? Any why autoremove would do this? > > As for Gazebo it segfaults on X2Go but not from ssh -X > gazebo > AL lib: (WW) alcCloseDevice: Releasing context 0x55b8fd77ad20 > AL lib: (WW) alcSetError: Error generated on device (nil), code 0xa002 > > gzclient[897526]: segfault at 20 ip 00007f161670fcc6 sp 00007ffca9967be0 > error 4 in libOgreMain.so.1.9.0[7f161650b000+2f0000] > Aug 19 14:58:59 storm kernel: Code: 00 5b 5d 41 5c 41 5d 41 5e c3 66 2e 0f > 1f 84 00 00 00 00 00 f3 0f 1e fa 55 48 89 e5 41 56 49 89 fe 41 55 41 54 53 > 48 83 ec 60 <48> 8b 7f 20 64 48 8b 04 25 28 00 00 00 48 89 45 d8 31 c0 48 > 85 ff > > I'll report it to their developers but in case anyone finds it useful and > they run into this discussion... > > > > On Wed, Aug 19, 2020 at 11:49 AM Ulrich Sibiller < > ulrich.sibil...@gmail.com> wrote: > >> Hi Robert, >> >> I am really surprised. "could not open default font fixed" is a rather >> old error message. We have removed that years ago: >> >> commit d981d938dade2967e70322c0bf934efeeb1da716 >> Author: Mike Gabriel <mike.gabr...@das-netzwerkteam.de> >> Date: Sun Feb 5 17:06:55 2017 +0000 >> >> {dix/,hw/nxagent/NX}dixfont.{c,h}: Support using builtin-fonts. >> Makes dependency on X11's misc fonts package obsolete. >> >> (see also https://github.com/ArcticaProject/nx-libs/issues/84) >> >> So what nx package is being used on that system? >> >> If you simply run "nxagent -display :55" on the server (e.g. after >> connecting with ssh -X), does that work? >> >> Uli >> >> On Wed, Aug 19, 2020 at 3:54 PM Robert Kudyba <rkud...@fordham.edu> >> wrote: >> > >> > I've seen the previous discussion about this happening on Gentoo from >> https://x2go-dev.x2go.narkive.com/eHuOYxSn/bug-884-nxagent-aborts-session-with-could-not-open-default-font-fixed >> could this be similar? >> > >> > rpm -qa |grep x2go >> > x2goagent-4.1.0.3-6.fc32.x86_64 >> > x2goserver-common-4.1.0.3-6.fc32.noarch >> > x2goserver-xsession-4.1.0.3-6.fc32.noarch >> > x2goserver-4.1.0.3-6.fc32.x86_64 >> > >> > Warning: Cannot read keystroke file >> '/home/myuser/.x2go/config/keystrokes.cfg'. >> > Info: using keystrokes file '/etc/x2go/keystrokes.cfg' >> > Info: ignoring unknown keystroke action 'debug_tree'. >> > Info: ignoring unknown keystroke action 'regions_on_screen'. >> > Info: ignoring unknown keystroke action 'test_input'. >> > Info: ignoring unknown keystroke action 'deactivate_input_devices_grab'. >> > Currently known keystrokes: >> > close_session : Ctrl+Alt+t >> > switch_all_screens : Ctrl+Alt+f >> > minimize : Ctrl+Alt+m >> > resize : Ctrl+Alt+r >> > defer : Ctrl+Alt+e >> > ignore : Ctrl+Alt+BackSpace >> > force_synchronization : Ctrl+Alt+j >> > fullscreen : Ctrl+Shift+Alt+f >> > viewport_move_left : Ctrl+Shift+Alt+Left >> > viewport_move_up : Ctrl+Alt+Up >> > viewport_move_right : Ctrl+Alt+Right >> > viewport_move_down : Ctrl+Alt+Down >> > Error: Aborting session with 'Could not open default font 'fixed''. >> > >> > Aug 19 09:30:04 /usr/bin/x2goruncommand[805082]: ERROR: command >> failed to execute >> > _______________________________________________ >> > x2go-dev mailing list >> > x2go-dev@lists.x2go.org >> > https://lists.x2go.org/listinfo/x2go-dev >> >
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