Hi Robert, I suspect that xfce4-session rpm will fiddle with the fontpath somehow.
Regarding Gazebo: Chances are that this is related to OpenGL. You can try the libgl workaround described here: wiki:development:glx Uli On Wed, Aug 19, 2020 at 9:20 PM Ulrich Sibiller <ul...@gmx.de> wrote: > > 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 _______________________________________________ x2go-dev mailing list x2go-dev@lists.x2go.org https://lists.x2go.org/listinfo/x2go-dev
