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

Paul Borowicz paul at borowicz.org
Fri Aug 24 20:40:50 CEST 2018


Check your  /etc/hosts
x2go doesn't like if this line is missing:
127.0.0.1       localhost



On Fri, Aug 24, 2018 at 2:10 PM, Brian Lam <blam314159 at gmail.com> wrote:

> Okay so after reinstall, I'm back to square 1.
>
> But at least it helped identify a bug.  Thanks for both of your help.
>
> Unfortunately, I still need to get unstuck urgently ... deadline
> approaching.  Do you know any other system like x2go that's free or low
> cost?  I tried Xming but it's too slow to be useful. Thanks.
>
>
> On Fri, Aug 24, 2018 at 10:41 AM Ulrich Sibiller <uli42 at gmx.de> wrote:
>
>> 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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