[X2Go-User] X2Go crash from Mac/MATE to Fedora 25 w NIS user getting x2gostartagent: blocking creation of agent's keyboard file

Tue Feb 28 21:37:19 CET 2017

> On Feb 28, 2017, at 11:51 AM, Mihai Moldovan <ionic at ionic.de> wrote:
> 
> On 28.02.2017 05:31 PM, Robert Kudyba wrote:
>> My colleague is giving up on MATE. And XFCE has been having intermittent issues and here are some errors/logs. Anything stick out?
> 
> Difficult to say without knowing what to look for?
> 
> I've seen kgpg crashing in that log, but that may or may not be a problem.
> 
> The missing Composite and Fixes extensions are normal - you won't get any
> compositing effects, but that's okay.
> 
> Other than that, there's no major problem recorded in there.
> 
> 
> This said, I've had a user on FC25 yesterday on IRC and he has reported problems
> with Emacs - which was built with GTK3 support. After he rebuilt it with GTK2,
> it started to work.
> 
> I also (ab)used him to test MATE and found out that mate-session is crashing
> upon start. Any GTK3 application crashes, basically, because of a bug in al
> ibrary used by GTK3 (libepoxy), that has been filed in Red Hats bugtracker for
> Fedora 24 already and fixed upstream for a while.
> 
> The root cause of that is that for some reason the GLX version is not reported
> correctly - instead a NULL pointer is thrown out. I don't see this behavior on
> Debian Jessie, which hints at a deeper problem with our nx-libs builds on Fedora
> 25 (and maybe even 24?)
> 
> I haven't yet been able to figure out why nxagent isn't doing what it should be
> doing, though.

Yes that emacs crash has been an issue for quite a while: https://bugzilla.redhat.com/show_bug.cgi?id=1349412 <https://bugzilla.redhat.com/show_bug.cgi?id=1349412>

Now I have a core dump to share with MATE and some logs from the server side. No errors under my user name but hope these are helpful:

Feb 28 15:27:18 myworkstation systemd-logind: New session 2039 of user myuser.
Feb 28 15:27:18 myworkstation /usr/bin/x2gostartagent: x2gostartagent called with options: 800x600 adsl 16m-jpeg-9 unix-kde-depth_32 us query 0 D MATE both
Feb 28 15:27:18 myworkstation /usr/bin/x2gosessionlimit[13047]: x2gosessionlimit has been called
Feb 28 15:27:18 myworkstation /usr/bin/x2golistsessions[13050]: x2golistsessions has been called with options: --all-servers
Feb 28 15:27:20 myworkstation /usr/sbin/x2gocleansessions[15005]: myuser-59-1488313639_stDMATE_dp32: state file for this session does not exist: /tmp/.x2go-myuser/C-myuser-59-1488313639_stDMATE_dp32/state (this can be ignored during session startups)
Feb 28 15:27:21 myworkstation /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:21 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:21 myworkstation /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: myuser-59-1488313639_stDMATE_dp32 pre-start
Feb 28 15:27:21 myworkstation /usr/bin/x2gostartagent: successfully started X2Go agent session with ID myuser-59-1488313639_stDMATE_dp32
Feb 28 15:27:21 myworkstation /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:21 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:21 myworkstation /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: myuser-59-1488313639_stDMATE_dp32 post-start
Feb 28 15:27:22 myworkstation /usr/bin/x2gostartagent: blocking creation of agent's keyboard file /tmp/.x2go-myuser/C-myuser-59-1488313639_stDMATE_dp32/keyboard as requested by session startup command
Feb 28 15:27:22 myworkstation /usr/bin/x2goruncommand: x2goruncommand called with options: 59 13246 myuser-59-1488313639_stDMATE_dp32 35964 mate-session nosnd D
Feb 28 15:27:22 myworkstation /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:22 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:22 myworkstation /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: myuser-59-1488313639_stDMATE_dp32 pre-runcommand
Feb 28 15:27:22 myworkstation /usr/bin/x2gosetkeyboard: x2gosetkeyboard called with options:
Feb 28 15:27:22 myworkstation /usr/bin/x2gofeature: x2gofeature called with options: X2GO_XSESSION
Feb 28 15:27:23 myworkstation /usr/bin/x2gosetkeyboard: /u/erdos/myuser/.x2go/C-myuser-59-1488313639_stDMATE_dp32/keyboard is blocked, not setting keyboard parameters from client-side settings
Feb 28 15:27:23 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_XSESSION
Feb 28 15:27:23 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver.features: x2goserver.features called with options: X2GO_XSESSION
Feb 28 15:27:23 myworkstation /usr/sbin/x2gocleansessions[15005]: myuser-59-1488313579_stDXFCE_dp32: found stale X-server process (11415), sending SIGKILL
Feb 28 15:27:23 myworkstation /usr/sbin/x2gocleansessions[15005]: myuser-59-1488313579_stDXFCE_dp32, pid 11415: cleaning up stale X11 socket file: /tmp/.X11-unix/X59
Feb 28 15:27:23 myworkstation /usr/sbin/x2gocleansessions[15005]: myuser-59-1488313579_stDXFCE_dp32, pid 11415: cleaning up stale X11 lock file: /tmp/.X59-lock
Feb 28 15:27:23 myworkstation su: (to myuser) root on none
Feb 28 15:27:23 myworkstation systemd: Started Session c27 of user myuser.
Feb 28 15:27:23 myworkstation /usr/bin/x2goumount-session[13528]: x2goumount-session has been called with options: myuser-59-1488313579_stDXFCE_dp32
Feb 28 15:27:23 myworkstation su: (to myuser) root on none
Feb 28 15:27:23 myworkstation systemd: Started Session c28 of user myuser.
Feb 28 15:27:25 myworkstation kernel: mate-session[13511]: segfault at 0 ip 00007f5c1789635f sp 00007fff07f02758 error 4 in libc-2.24.so[7f5c177ff000+1bd000]
Feb 28 15:27:25 myworkstation systemd: Started Process Core Dump (PID 13551/UID 0).
Feb 28 15:27:25 myworkstation systemd-coredump: Process 13511 (mate-session) of user 6105 dumped core.#012#012Stack trace of thread 13511:#012#0  0x00007f5c1789635f __rawmemchr (libc.so.6)#012#1  0x00007f5c1787e832 _IO_str_init_static_internal (libc.so.6)#012#2  0x00007f5c1786bcc7 __isoc99_vsscanf (libc.so.6)#012#3  0x00007f5c1786bc67 __isoc99_sscanf (libc.so.6)#012#4  0x00007f5c1672a8e2 epoxy_glx_version (libepoxy.so.0)#012#5  0x00007f5c1977a1e9 gdk_x11_screen_init_gl (libgdk-3.so.0)#012#6  0x00007f5c1977a59a _gdk_x11_screen_update_visuals_for_gl (libgdk-3.so.0)#012#7  0x00007f5c197831f6 _gdk_x11_screen_init_visuals (libgdk-3.so.0)#012#8  0x00007f5c19780230 _gdk_x11_screen_new (libgdk-3.so.0)#012#9  0x00007f5c197700c8 _gdk_x11_display_open (libgdk-3.so.0)#012#10 0x00007f5c19744b85 gdk_display_manager_open_display (libgdk-3.so.0)#012#11 0x00007f5c19c2eb40 gtk_init_with_args (libgtk-3.so.0)#012#12 0x000056162a6195ee main (mate-session)#012#13 0x00007f5c1781f401 __libc_start_main (libc.so.6)#012#14 0x000056162a61a12a _start (mate-session)
Feb 28 15:27:25 myworkstation /usr/bin/x2gofeature: x2gofeature called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:25 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Feb 28 15:27:25 myworkstation /usr/bin/x2goserver-run-extensions: x2goserver-run-extensions called with options: myuser-59-1488313639_stDMATE_dp32 post-runcommand
Feb 28 15:27:25 myworkstation /usr/bin/x2gofeature: x2gofeature called with options: X2GO_DESKTOPSHARING
Feb 28 15:27:25 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: x2goserver-extensions.features called with options: X2GO_DESKTOPSHARING
Feb 28 15:27:25 myworkstation /usr/share/x2go/x2gofeature.d/x2goserver.features: x2goserver.features called with options: X2GO_DESKTOPSHARING
Feb 28 15:27:25 myworkstation /usr/bin/x2goumount-session[13631]: x2goumount-session has been called with options: myuser-59-1488313639_stDMATE_dp32
Feb 28 15:27:26 myworkstation /usr/bin/x2gocmdexitmessage: x2gocmdexitmessage called with options: myuser-59-1488313639_stDMATE_dp32
Feb 28 15:27:26 myworkstation systemd-logind: Removed session 2039.

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