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 <[email protected]> wrote: > On Fri, Aug 24, 2018 at 5:18 PM, Brian Lam <[email protected]> wrote: > > Yes I forgot the bt. This is what I get after I installed the rpm and > ran > > gdb > > > > [root@pleth01 ~]# rpm -i > > > ./nx-libs-debuginfo-3.5.99.16-0.0build1.1.git20180719.2988.main.el6.x86_64.rpm > > [root@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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