$ gdb /usr/bin/thunar GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2 Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/thunar... Reading symbols from /usr/lib/debug/.build-id/1a/6c2936c3839bf717ce256f7a1ee073d1e44ee9.debug... (gdb) set verbose on (gdb) run Starting program: /usr/bin/thunar Using PIE (Position Independent Executable) displacement 0x555555554000 for "/usr/bin/thunar". Reading symbols from /lib64/ld-linux-x86-64.so.2... (No debugging symbols found in /lib64/ld-linux-x86-64.so.2) Reading symbols from system-supplied DSO at 0x155555525000... (No debugging symbols found in system-supplied DSO at 0x155555525000) Reading symbols from /lib/x86_64-linux-gnu/libthunarx-3.so.0... Reading symbols from /usr/lib/debug/.build-id/9c/7edac183a132b73ff374cd3eac902e926e9e3f.debug... Reading symbols from /lib/x86_64-linux-gnu/libexo-2.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libexo-2.so.0) Reading symbols from /lib/x86_64-linux-gnu/libgudev-1.0.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libgudev-1.0.so.0) Reading symbols from /lib/x86_64-linux-gnu/libnotify.so.4... (No debugging symbols found in /lib/x86_64-linux-gnu/libnotify.so.4) Reading symbols from /lib/x86_64-linux-gnu/libSM.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libSM.so.6) Reading symbols from /lib/x86_64-linux-gnu/libICE.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libICE.so.6) Reading symbols from /lib/x86_64-linux-gnu/libxfce4ui-2.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libxfce4ui-2.so.0) Reading symbols from /lib/x86_64-linux-gnu/libgtk-3.so.0... Reading symbols from /usr/lib/debug/.build-id/43/743448d005009d99122ef76ba4f83cad11f949.debug... Reading symbols from /lib/x86_64-linux-gnu/libgdk-3.so.0... Reading symbols from /usr/lib/debug/.build-id/45/d0b354a275e77c134ac13660575ce3071cadc3.debug... Reading symbols from /lib/x86_64-linux-gnu/libatk-1.0.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libatk-1.0.so.0) Reading symbols from /lib/x86_64-linux-gnu/libcairo.so.2... (No debugging symbols found in /lib/x86_64-linux-gnu/libcairo.so.2) Reading symbols from /lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0... Reading symbols from /usr/lib/debug/.build-id/a2/c6d5a5e39af4c247b3c323419001ea981d784f.debug... Reading symbols from /lib/x86_64-linux-gnu/libxfce4util.so.7... (No debugging symbols found in /lib/x86_64-linux-gnu/libxfce4util.so.7) Reading symbols from /lib/x86_64-linux-gnu/libxfconf-0.so.3... (No debugging symbols found in /lib/x86_64-linux-gnu/libxfconf-0.so.3) Reading symbols from /lib/x86_64-linux-gnu/libpango-1.0.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libpango-1.0.so.0) Reading symbols from /lib/x86_64-linux-gnu/libgio-2.0.so.0... Reading symbols from /usr/lib/debug/.build-id/65/dc400ffa4d7c9f41ccd5b85f8413b82604b965.debug... Reading symbols from /lib/x86_64-linux-gnu/libgobject-2.0.so.0... Reading symbols from /usr/lib/debug/.build-id/36/0efe60ab258ac6a160dde02c28373ecdb93b2f.debug... Reading symbols from /lib/x86_64-linux-gnu/libglib-2.0.so.0... Reading symbols from /usr/lib/debug/.build-id/31/6856dfa5b1bedc4c98522e3cbebee54ea15d2b.debug... Reading symbols from /lib/x86_64-linux-gnu/libc.so.6... Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libc-2.31.so... Reading symbols from /lib/x86_64-linux-gnu/libgmodule-2.0.so.0... Reading symbols from /usr/lib/debug/.build-id/e9/2f143d0958679164ec3b1346d32fc7f643538e.debug... Reading symbols from /lib/x86_64-linux-gnu/libm.so.6... Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libm-2.31.so... Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0... Reading symbols from /usr/lib/debug/.build-id/e5/4761f7b554d0fcc1562959665d93dffbebdaf0.debug... [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Reading symbols from /lib/x86_64-linux-gnu/libudev.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libudev.so.1) Reading symbols from /lib/x86_64-linux-gnu/libuuid.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libuuid.so.1) Reading symbols from /lib/x86_64-linux-gnu/libbsd.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libbsd.so.0) Reading symbols from /lib/x86_64-linux-gnu/libX11.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libX11.so.6) Reading symbols from /lib/x86_64-linux-gnu/libstartup-notification-1.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libstartup-notification-1.so.0) Reading symbols from /lib/x86_64-linux-gnu/libpangocairo-1.0.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libpangocairo-1.0.so.0) Reading symbols from /lib/x86_64-linux-gnu/libXi.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libXi.so.6) Reading symbols from /lib/x86_64-linux-gnu/libXfixes.so.3... (No debugging symbols found in /lib/x86_64-linux-gnu/libXfixes.so.3) Reading symbols from /lib/x86_64-linux-gnu/libcairo-gobject.so.2... (No debugging symbols found in /lib/x86_64-linux-gnu/libcairo-gobject.so.2) Reading symbols from /lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0) Reading symbols from /lib/x86_64-linux-gnu/libepoxy.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libepoxy.so.0) Reading symbols from /lib/x86_64-linux-gnu/libfribidi.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libfribidi.so.0) Reading symbols from /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0) Reading symbols from /lib/x86_64-linux-gnu/libharfbuzz.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libharfbuzz.so.0) Reading symbols from /lib/x86_64-linux-gnu/libfontconfig.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libfontconfig.so.1) Reading symbols from /lib/x86_64-linux-gnu/libfreetype.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libfreetype.so.6) Reading symbols from /lib/x86_64-linux-gnu/libXinerama.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libXinerama.so.1) Reading symbols from /lib/x86_64-linux-gnu/libXrandr.so.2... (No debugging symbols found in /lib/x86_64-linux-gnu/libXrandr.so.2) Reading symbols from /lib/x86_64-linux-gnu/libXcursor.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libXcursor.so.1) Reading symbols from /lib/x86_64-linux-gnu/libXcomposite.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libXcomposite.so.1) Reading symbols from /lib/x86_64-linux-gnu/libXdamage.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libXdamage.so.1) Reading symbols from /lib/x86_64-linux-gnu/libxkbcommon.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libxkbcommon.so.0) Reading symbols from /lib/x86_64-linux-gnu/libwayland-cursor.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libwayland-cursor.so.0) Reading symbols from /lib/x86_64-linux-gnu/libwayland-egl.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libwayland-egl.so.1) Reading symbols from /lib/x86_64-linux-gnu/libwayland-client.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libwayland-client.so.0) Reading symbols from /lib/x86_64-linux-gnu/libXext.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libXext.so.6) --Type for more, q to quit, c to continue without paging--c Reading symbols from /lib/x86_64-linux-gnu/librt.so.1... Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/librt-2.31.so... Reading symbols from /lib/x86_64-linux-gnu/libpixman-1.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libpixman-1.so.0) Reading symbols from /lib/x86_64-linux-gnu/libpng16.so.16... (No debugging symbols found in /lib/x86_64-linux-gnu/libpng16.so.16) Reading symbols from /lib/x86_64-linux-gnu/libxcb-shm.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libxcb-shm.so.0) Reading symbols from /lib/x86_64-linux-gnu/libxcb.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libxcb.so.1) Reading symbols from /lib/x86_64-linux-gnu/libxcb-render.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libxcb-render.so.0) Reading symbols from /lib/x86_64-linux-gnu/libXrender.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libXrender.so.1) Reading symbols from /lib/x86_64-linux-gnu/libz.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libz.so.1) Reading symbols from /lib/x86_64-linux-gnu/libthai.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libthai.so.0) Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2... Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libdl-2.31.so... Reading symbols from /lib/x86_64-linux-gnu/libmount.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libmount.so.1) Reading symbols from /lib/x86_64-linux-gnu/libselinux.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libselinux.so.1) Reading symbols from /lib/x86_64-linux-gnu/libresolv.so.2... Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libresolv-2.31.so... Reading symbols from /lib/x86_64-linux-gnu/libffi.so.7... (No debugging symbols found in /lib/x86_64-linux-gnu/libffi.so.7) Reading symbols from /lib/x86_64-linux-gnu/libpcre.so.3... (No debugging symbols found in /lib/x86_64-linux-gnu/libpcre.so.3) Reading symbols from /lib/x86_64-linux-gnu/libxcb-util.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libxcb-util.so.1) Reading symbols from /lib/x86_64-linux-gnu/libX11-xcb.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libX11-xcb.so.1) Reading symbols from /lib/x86_64-linux-gnu/libdbus-1.so.3... (No debugging symbols found in /lib/x86_64-linux-gnu/libdbus-1.so.3) Reading symbols from /lib/x86_64-linux-gnu/libatspi.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libatspi.so.0) Reading symbols from /lib/x86_64-linux-gnu/libgraphite2.so.3... (No debugging symbols found in /lib/x86_64-linux-gnu/libgraphite2.so.3) Reading symbols from /lib/x86_64-linux-gnu/libexpat.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libexpat.so.1) Reading symbols from /lib/x86_64-linux-gnu/libXau.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libXau.so.6) Reading symbols from /lib/x86_64-linux-gnu/libXdmcp.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libXdmcp.so.6) Reading symbols from /lib/x86_64-linux-gnu/libdatrie.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libdatrie.so.1) Reading symbols from /lib/x86_64-linux-gnu/libblkid.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libblkid.so.1) Reading symbols from /lib/x86_64-linux-gnu/libpcre2-8.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libpcre2-8.so.0) Reading symbols from /lib/x86_64-linux-gnu/libsystemd.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libsystemd.so.0) Reading symbols from /lib/x86_64-linux-gnu/liblzma.so.5... (No debugging symbols found in /lib/x86_64-linux-gnu/liblzma.so.5) Reading symbols from /lib/x86_64-linux-gnu/liblz4.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/liblz4.so.1) Reading symbols from /lib/x86_64-linux-gnu/libgcrypt.so.20... (No debugging symbols found in /lib/x86_64-linux-gnu/libgcrypt.so.20) Reading symbols from /lib/x86_64-linux-gnu/libgpg-error.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libgpg-error.so.0) [New Thread 0x1555531ec700 (LWP 160459)] [New Thread 0x155552feb700 (LWP 160460)] Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so... (No debugging symbols found in /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so) Reading symbols from /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so... (No debugging symbols found in /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so) [New Thread 0x155552d70700 (LWP 160461)] [New Thread 0x155552b6f700 (LWP 160462)] Reading symbols from /lib/x86_64-linux-gnu/libnss_files.so.2... Reading symbols from /usr/lib/debug//lib/x86_64-linux-gnu/libnss_files-2.31.so... Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so... (No debugging symbols found in /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so) Reading symbols from /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so... (No debugging symbols found in /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so) Reading symbols from /lib/x86_64-linux-gnu/librsvg-2.so.2... (No debugging symbols found in /lib/x86_64-linux-gnu/librsvg-2.so.2) Reading symbols from /lib/x86_64-linux-gnu/libxml2.so.2... (No debugging symbols found in /lib/x86_64-linux-gnu/libxml2.so.2) Reading symbols from /lib/x86_64-linux-gnu/libgcc_s.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libgcc_s.so.1) Reading symbols from /lib/x86_64-linux-gnu/libicuuc.so.66... (No debugging symbols found in /lib/x86_64-linux-gnu/libicuuc.so.66) Reading symbols from /lib/x86_64-linux-gnu/libicudata.so.66... (No debugging symbols found in /lib/x86_64-linux-gnu/libicudata.so.66) Reading symbols from /lib/x86_64-linux-gnu/libstdc++.so.6... (No debugging symbols found in /lib/x86_64-linux-gnu/libstdc++.so.6) Registering libstdc++-v6 pretty-printer for /lib/x86_64-linux-gnu/libstdc++.so.6 ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... Registering xmethod matcher '%s' with %s' ... [Thread 0x155552d70700 (LWP 160461) exited] Reading symbols from /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so... Reading symbols from /usr/lib/debug/.build-id/ad/dad83d2be7e48e68f28dcd62180f20974ed003.debug... Reading symbols from /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-sbr.so... Reading symbols from /usr/lib/debug/.build-id/63/d64dc102da1249dfefc3b576fc1d12997770e9.debug... Reading symbols from /lib/x86_64-linux-gnu/libexif.so.12... (No debugging symbols found in /lib/x86_64-linux-gnu/libexif.so.12) Reading symbols from /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-media-tags-plugin.so... (No debugging symbols found in /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-media-tags-plugin.so) Reading symbols from /lib/x86_64-linux-gnu/libtag_c.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libtag_c.so.0) Reading symbols from /lib/x86_64-linux-gnu/libtag.so.1... (No debugging symbols found in /lib/x86_64-linux-gnu/libtag.so.1) Reading symbols from /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-archive-plugin.so... (No debugging symbols found in /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-archive-plugin.so) Reading symbols from /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-apr.so... Reading symbols from /usr/lib/debug/.build-id/d6/9c9964de732a55818048dd2cc6d34e4f7ef2e6.debug... Reading symbols from /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-wallpaper-plugin.so... Reading symbols from /usr/lib/debug/.build-id/36/83241034549a7f0a6eb03d77d5b22dca23c22f.debug... Reading symbols from /usr/lib/x86_64-linux-gnu/thunarx-3/thunar-uca.so... Reading symbols from /usr/lib/debug/.build-id/42/f945be3465a242c8c001464fd5579b824d0a26.debug... Reading symbols from /lib/x86_64-linux-gnu/libxfce4kbd-private-3.so.0... (No debugging symbols found in /lib/x86_64-linux-gnu/libxfce4kbd-private-3.so.0) (thunar:160453): Gdk-ERROR **: 09:19:10.355: The program 'thunar' received an X Window System error. This probably reflects a bug in the program. The error was 'BadWindow (invalid Window parameter)'. (Details: serial 15808 error_code 3 request_code 141 (Composite) minor_code 8) (Note to programmers: normally, X errors are reported asynchronously; that is, you will receive the error a while after causing it. To debug your program, run it with the GDK_SYNCHRONIZE environment variable to change this behavior. You can then get a meaningful backtrace from your debugger if you break on the gdk_x_error() function.) Reading in symbols for ../../../glib/gmessages.c...done. Thread 1 "thunar" received signal SIGTRAP, Trace/breakpoint trap. _g_log_abort (breakpoint=1) at ../../../glib/gmessages.c:554 554 ../../../glib/gmessages.c: No such file or directory. (gdb) bt #0 _g_log_abort (breakpoint=1) at ../../../glib/gmessages.c:554 #1 0x0000155554698a9c in g_log_writer_default (log_level=6, fields=0x7fffffffc920, n_fields=6, user_data=0x0) at ../../../glib/gmessages.c:2694 (gdb) quit A debugging session is active. Inferior 1 [process 160453] will be killed. Quit anyway? (y or n) y