[X2Go-User] Problem with x2go - the connection with the remote server was shut down

Ulrich Sibiller uli42 at gmx.de
Fri Aug 24 19:41:12 CEST 2018


On Fri, Aug 24, 2018 at 5:18 PM, Brian Lam <blam314159 at gmail.com> wrote:
> Yes I forgot the bt.   This is what I get after I installed the rpm and ran
> gdb
>
> [root at pleth01 ~]# rpm -i
> ./nx-libs-debuginfo-3.5.99.16-0.0build1.1.git20180719.2988.main.el6.x86_64.rpm
> [root at pleth01 ~]# gdb /usr/bin/nxagent ~cchu/core.15672
> GNU gdb (GDB) Red Hat Enterprise Linux (7.2-92.el6)
> Copyright (C) 2010 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-redhat-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/bin/nxagent...Reading symbols from
> /usr/lib/debug/usr/bin/nxagent.debug...done.
> done.
>
> warning: core file may not match specified executable file.
> [New Thread 15672]
> Reading symbols from /usr/lib64/nx/X11/libX11.so.6...Reading symbols from
> /usr/lib/debug/usr/lib64/libNX_X11.so.6.3.0.debug...done.
> done.
> Loaded symbols for /usr/lib64/nx/X11/libX11.so.6
> Reading symbols from /usr/lib64/libXcomp.so.3...Reading symbols from
> /usr/lib/debug/usr/lib64/libXcomp.so.3.5.99.debug...done.
> done.
> Loaded symbols for /usr/lib64/libXcomp.so.3
> Reading symbols from /usr/lib64/libXcompshad.so.3...Reading symbols from
> /usr/lib/debug/usr/lib64/libXcompshad.so.3.5.99.debug...done.
> done.
> Loaded symbols for /usr/lib64/libXcompshad.so.3
> Reading symbols from /usr/lib64/libXrender.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXrender.so.1
> Reading symbols from /usr/lib64/libXfixes.so.3...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXfixes.so.3
> Reading symbols from /usr/lib64/libXfont.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXfont.so.1
> Reading symbols from /usr/lib64/libXcomposite.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXcomposite.so.1
> Reading symbols from /usr/lib64/libXinerama.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXinerama.so.1
> Reading symbols from /usr/lib64/libXdmcp.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXdmcp.so.6
> Reading symbols from /usr/lib64/libXext.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXext.so.6
> Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libz.so.1
> Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libm.so.6
> Reading symbols from /usr/lib64/libXpm.so.4...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXpm.so.4
> Reading symbols from /usr/lib64/libxml2.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libxml2.so.2
> Reading symbols from /usr/lib64/libpixman-1.so.0...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libpixman-1.so.0
> Reading symbols from /usr/lib64/libpng12.so.0...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libpng12.so.0
> Reading symbols from /usr/lib64/libjpeg.so.62...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libjpeg.so.62
> Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
> Loaded symbols for /lib64/libc.so.6
> Reading symbols from /lib64/libpthread.so.0...(no debugging symbols
> found)...done.
> [Thread debugging using libthread_db enabled]
> Loaded symbols for /lib64/libpthread.so.0
> Reading symbols from /usr/lib64/libstdc++.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libstdc++.so.6
> Reading symbols from /lib64/libgcc_s.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libgcc_s.so.1
> Reading symbols from /usr/lib64/libXdamage.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXdamage.so.1
> Reading symbols from /usr/lib64/libXrandr.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXrandr.so.2
> Reading symbols from /usr/lib64/libXtst.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXtst.so.6
> Reading symbols from /usr/lib64/libfreetype.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libfreetype.so.6
> Reading symbols from /usr/lib64/libfontenc.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libfontenc.so.1
> Reading symbols from /lib64/libdl.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libdl.so.2
> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/ld-linux-x86-64.so.2
> Reading symbols from /usr/lib64/libXi.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib64/libXi.so.6
> Reading symbols from /lib64/libnss_files.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib64/libnss_files.so.2
> Core was generated by `x2goagent -nolisten tcp -extension BIG-REQUESTS
> -nolisten tcp -dpi 96 -D -auth'.
> Program terminated with signal 6, Aborted.
> #0  0x00000038cfc32495 in raise () from /lib64/libc.so.6
> Missing separate debuginfos, use: debuginfo-install
> freetype-2.3.11-17.el6.x86_64 glibc-2.12-1.212.el6.x86_64
> libXcomposite-0.4.3-4.el6.x86_64 libXdamage-1.1.3-4.el6.x86_64
> libXdmcp-1.1.1-3.el6.x86_64 libXext-1.3.3-1.el6.x86_64
> libXfixes-5.0.3-1.el6.x86_64 libXfont-1.5.1-2.el6.x86_64
> libXi-1.7.8-1.el6.x86_64 libXinerama-1.1.3-2.1.el6.x86_64
> libXpm-3.5.10-2.el6.x86_64 libXrandr-1.5.1-1.el6.x86_64
> libXrender-0.9.10-1.el6.x86_64 libXtst-1.2.3-1.el6.x86_64
> libfontenc-1.1.2-3.el6.x86_64 libgcc-4.4.7-23.el6.x86_64
> libjpeg-turbo-1.2.1-3.el6_5.x86_64 libpng-1.2.49-2.el6_7.x86_64
> libstdc++-4.4.7-23.el6.x86_64 libxml2-2.7.6-21.el6_8.1.x86_64
> pixman-0.32.8-1.el6.x86_64 zlib-1.2.3-29.el6.x86_64
> (gdb) bt
> #0  0x00000038cfc32495 in raise () from /lib64/libc.so.6
> #1  0x00000038cfc33c75 in abort () from /lib64/libc.so.6
> #2  0x00000038cfc703a7 in __libc_message () from /lib64/libc.so.6
> #3  0x00000038cfc75dee in malloc_printerr () from /lib64/libc.so.6
> #4  0x00000038cfc78c80 in _int_free () from /lib64/libc.so.6
> #5  0x00000000004eeefb in XkbSendMap (client=0x1ea84f0, xkb=0x1ea7260,
> rep=0x7ffecae5e4c0) at xkb.c:1345
> #6  0x00000000004f51b8 in ProcXkbGetKbdByName (client=0x1ea84f0) at
> xkb.c:5368
> #7  0x00000000004223ca in Dispatch () at NXdispatch.c:482
> #8  0x00000000004539ea in main (argc=17, argv=0x7ffecae5f788, envp=<value
> optimized out>) at main.c:353

Alright, looks like we have a bug in the xkb code. Fortunately there
is an upgrade to XKB 1.3 pending and will be merged soon (hopefully):
https://github.com/ArcticaProject/nx-libs/pull/717

Regarding your current problem I would say: reinstall all x2go
packages and retry.

Uli


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