GNU gdb (GDB) 7.6.1-ubuntu Copyright (C) 2013 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". For bug reporting instructions, please see: . (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) attach 4787 Attaching to process 4787 Reading symbols from /usr/lib/unity/unity-panel-service...Reading symbols from /usr/lib/debug/.build-id/3e/0d24cbd8569b440fb1de62b275ff9be70bb47e.debug...done. done. Reading symbols from /usr/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libindicator3.so.7...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libindicator3.so.7 Reading symbols from /usr/lib/x86_64-linux-gnu/libX11.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libX11.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libido3-0.1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libido3-0.1.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libatk-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0.3800.0...done. done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3800.0...done. done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 Reading symbols from /lib/x86_64-linux-gnu/libglib-2.0.so.0...Reading symbols from /usr/lib/debug/lib/x86_64-linux-gnu/libglib-2.0.so.0.3800.0...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libglib-2.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libupstart.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libupstart.so.1 Reading symbols from /lib/x86_64-linux-gnu/libnih.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnih.so.1 Reading symbols from /lib/x86_64-linux-gnu/libnih-dbus.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libnih-dbus.so.1 Reading symbols from /lib/x86_64-linux-gnu/libdbus-1.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libdbus-1.so.3 Reading symbols from /lib/x86_64-linux-gnu/libpthread.so.0...Reading symbols from /usr/lib/debug/lib/x86_64-linux-gnu/libpthread-2.17.so...done. done. [New LWP 4789] [New LWP 4788] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Loaded symbols for /lib/x86_64-linux-gnu/libpthread.so.0 Reading symbols from /lib/x86_64-linux-gnu/libc.so.6...Reading symbols from /usr/lib/debug/lib/x86_64-linux-gnu/libc-2.17.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libc.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libatspi.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libatspi.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0.3800.0...done. done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0 Reading symbols from /lib/x86_64-linux-gnu/libm.so.6...Reading symbols from /usr/lib/debug/lib/x86_64-linux-gnu/libm-2.17.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libm.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb.so.1 Reading symbols from /lib/x86_64-linux-gnu/libdl.so.2...Reading symbols from /usr/lib/debug/lib/x86_64-linux-gnu/libdl-2.17.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libdl.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libcairo.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcairo.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libXi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXi.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXfixes.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXfixes.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libcairo-gobject.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcairo-gobject.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libfontconfig.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libfontconfig.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXinerama.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXinerama.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXrandr.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXrandr.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libXcursor.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXcursor.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXcomposite.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXcomposite.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libXdamage.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXdamage.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libwayland-client.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libwayland-client.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxkbcommon.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxkbcommon.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libwayland-cursor.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libXext.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXext.so.6 Reading symbols from /lib/x86_64-linux-gnu/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libz.so.1 Reading symbols from /lib/x86_64-linux-gnu/libselinux.so.1...(no debugging symbols found)...done. Loaded symbols for /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-2.17.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/libresolv.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libffi.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libffi.so.6 Reading symbols from /lib/x86_64-linux-gnu/libpcre.so.3...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libpcre.so.3 Reading symbols from /lib/x86_64-linux-gnu/librt.so.1...Reading symbols from /usr/lib/debug/lib/x86_64-linux-gnu/librt-2.17.so...done. done. Loaded symbols for /lib/x86_64-linux-gnu/librt.so.1 Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.17.so...done. done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libXau.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXau.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libXdmcp.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXdmcp.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libfreetype.so.6...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libfreetype.so.6 Reading symbols from /usr/lib/x86_64-linux-gnu/libthai.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libthai.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libpixman-1.so.0 Reading symbols from /lib/x86_64-linux-gnu/libpng12.so.0...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libpng12.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-shm.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-shm.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libxcb-render.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxcb-render.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libXrender.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libXrender.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0 Reading symbols from /lib/x86_64-linux-gnu/libexpat.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libexpat.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libdatrie.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdatrie.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libgraphite2.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libgraphite2.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/libcanberra-gtk-module.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/libcanberra-gtk-module.so Reading symbols from /usr/lib/x86_64-linux-gnu/libcanberra-gtk3.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcanberra-gtk3.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libcanberra.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcanberra.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libvorbisfile.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libtdb.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libtdb.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/libltdl.so.7...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libltdl.so.7 Reading symbols from /usr/lib/x86_64-linux-gnu/libvorbis.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libvorbis.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/libogg.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libogg.so.0 Reading symbols from /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so...(no debugging symbols found)...done. Loaded symbols for /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)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so Reading symbols from /lib/x86_64-linux-gnu/libudev.so.1...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/libudev.so.1 Reading symbols from /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/theming-engines/libunico.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/theming-engines/libunico.so Reading symbols from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so Reading symbols from /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so Reading symbols from /usr/lib/indicators3/7/libappmenu.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/indicators3/7/libappmenu.so Reading symbols from /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk3.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdbusmenu-gtk3.so.4 Reading symbols from /usr/lib/x86_64-linux-gnu/libdbusmenu-glib.so.4...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libdbusmenu-glib.so.4 Reading symbols from /usr/lib/x86_64-linux-gnu/libbamf3.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libbamf3.so.2 Reading symbols from /usr/lib/indicators3/7/libapplication.so...(no debugging symbols found)...done. Loaded symbols for /usr/lib/indicators3/7/libapplication.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)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so Reading symbols from /usr/lib/x86_64-linux-gnu/librsvg-2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/librsvg-2.so.2 Reading symbols from /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3 Reading symbols from /usr/lib/x86_64-linux-gnu/libxml2.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib/x86_64-linux-gnu/libxml2.so.2 Reading symbols from /lib/x86_64-linux-gnu/liblzma.so.5...(no debugging symbols found)...done. Loaded symbols for /lib/x86_64-linux-gnu/liblzma.so.5 0x00007ffe44bc347d in poll () at ../sysdeps/unix/syscall-template.S:81 81 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) continue Continuing. Program received signal SIGINT, Interrupt. 0x00007ffe44bc347d in poll () at ../sysdeps/unix/syscall-template.S:81 81 in ../sysdeps/unix/syscall-template.S (gdb) backtrace full #0 0x00007ffe44bc347d in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007ffe4598f694 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0x11980d0, timeout=28477, context=0x104bde0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006 poll_func = 0x7ffe4599e260 #2 g_main_context_iterate (context=0x104bde0, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707 max_priority = 2147483647 timeout = 28477 some_ready = nfds = 3 allocated_nfds = 3 fds = 0x11980d0 #3 0x00007ffe4598fafa in g_main_loop_run (loop=0x11980b0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3906 __PRETTY_FUNCTION__ = "g_main_loop_run" #4 0x00007ffe46a5e455 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #5 0x0000000000404e57 in main (argc=1, argv=0x7ffff8f0bb98) at /build/buildd/unity-7.1.2+13.10.20131011/services/panel-main.c:418 service = 0x107c200 owner_id = 2 __FUNCTION__ = "main" (gdb) info registers rax 0xfffffffffffffdfc -516 rbx 0x104bde0 17087968 rcx 0xffffffffffffffff -1 rdx 0x6f3d 28477 rsi 0x3 3 rdi 0x11980d0 18448592 rbp 0x3 0x3 rsp 0x7ffff8f0b9e0 0x7ffff8f0b9e0 r8 0x1028f50 16944976 r9 0x12b3 4787 r10 0x0 0 r11 0x293 659 r12 0x11980d0 18448592 r13 0x6f3d 28477 r14 0x7ffe4599e260 140730066133600 r15 0x3 3 rip 0x7ffe44bc347d 0x7ffe44bc347d eflags 0x293 [ CF AF SF IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7ffe44bc347d : mov (%rsp),%rdi 0x7ffe44bc3481 : mov %rax,%rdx 0x7ffe44bc3484 : callq 0x7ffe44bde2d0 <__libc_disable_asynccancel> 0x7ffe44bc3489 : mov %rdx,%rax 0x7ffe44bc348c : add $0x8,%rsp 0x7ffe44bc3490 : cmp $0xfffffffffffff001,%rax 0x7ffe44bc3496 : jae 0x7ffe44bc3499 0x7ffe44bc3498 : retq 0x7ffe44bc3499 : mov 0x2d29c8(%rip),%rcx # 0x7ffe44e95e68 0x7ffe44bc34a0 : neg %eax 0x7ffe44bc34a2 : mov %eax,%fs:(%rcx) 0x7ffe44bc34a5 : or $0xffffffffffffffff,%rax 0x7ffe44bc34a9 : retq 0x7ffe44bc34aa: nopw 0x0(%rax,%rax,1) 0x7ffe44bc34b0 <__GI_ppoll>: sub $0x38,%rsp 0x7ffe44bc34b4 <__GI_ppoll+4>: test %rdx,%rdx (gdb) thread apply all backtrace Thread 3 (Thread 0x7ffe3d661700 (LWP 4788)): #0 0x00007ffe44bc347d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007ffe4598f694 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0x7ffe380010e0, timeout=-1, context=0x103e8a0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006 #2 g_main_context_iterate (context=0x103e8a0, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707 #3 0x00007ffe4598fafa in g_main_loop_run (loop=0x103e830) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3906 #4 0x00007ffe461849d6 in gdbus_shared_thread_func (user_data=0x103e870) at /build/buildd/glib2.0-2.38.0/./gio/gdbusprivate.c:278 #5 0x00007ffe459b40e5 in g_thread_proxy (data=0x10278f0) at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798 #6 0x00007ffe44ea4f6e in start_thread (arg=0x7ffe3d661700) at pthread_create.c:311 #7 0x00007ffe44bcfecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 2 (Thread 0x7ffe3ca4f700 (LWP 4789)): #0 0x00007ffe44bc347d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007ffe4598f694 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7ffe300010c0, timeout=-1, context=0x1082400) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006 #2 g_main_context_iterate (context=context@entry=0x1082400, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707 #3 0x00007ffe4598f79c in g_main_context_iteration (context=0x1082400, may_block=1) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3773 #4 0x00007ffe3ca56a9d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so #5 0x00007ffe459b40e5 in g_thread_proxy (data=0x118bb20) at /build/buildd/glib2.0-2.38.0/./glib/gthread.c:798 #6 0x00007ffe44ea4f6e in start_thread (arg=0x7ffe3ca4f700) at pthread_create.c:311 #7 0x00007ffe44bcfecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 1 (Thread 0x7ffe47b2d980 (LWP 4787)): #0 0x00007ffe44bc347d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007ffe4598f694 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0x11980d0, timeout=28477, context=0x104bde0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:4006 #2 g_main_context_iterate (context=0x104bde0, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3707 #3 0x00007ffe4598fafa in g_main_loop_run (loop=0x11980b0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3906 #4 0x00007ffe46a5e455 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 #5 0x0000000000404e57 in main (argc=1, argv=0x7ffff8f0bb98) at /build/buildd/unity-7.1.2+13.10.20131011/services/panel-main.c:418 (gdb) quit A debugging session is active. Inferior 1 [process 4787] will be detached. Quit anyway? (y or n) Detaching from program: /usr/lib/unity/unity-panel-service, process 4787