GNU gdb (GDB) 7.2-ubuntu Copyright (C) 2010 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: ... Reading symbols from /usr/bin/lxappearance...(no debugging symbols found)...done. (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) run Starting program: /usr/bin/lxappearance [Thread debugging using libthread_db enabled] (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed (lxappearance:2482): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed Program received signal SIGSEGV, Segmentation fault. 0x00007ffff60d8448 in ?? () from /lib/libc.so.6 (gdb) backtrace full #0 0x00007ffff60d8448 in ?? () from /lib/libc.so.6 No symbol table info available. #1 0x00007ffff78658d1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #2 0x00007ffff786bc78 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #3 0x00007ffff786ce49 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #4 0x00007ffff786e170 in gtk_icon_theme_get_icon_sizes () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #5 0x00007ffff79e8e38 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #6 0x00007ffff79e9226 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #7 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #8 0x00007ffff7042079 in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #9 0x00007ffff704b476 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #10 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #11 0x00007ffff786b043 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #12 0x00007ffff786b246 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #13 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #14 0x00007ffff7042079 in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #15 0x00007ffff704b476 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #16 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #17 0x00007ffff70314f9 in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #18 0x00007ffff70366ae in g_object_set_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #19 0x00007ffff7036c64 in g_object_set () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #20 0x000000000040636c in ?? () No symbol table info available. #21 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #22 0x00007ffff7042079 in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #23 0x00007ffff704b476 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #24 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #25 0x00007ffff79bae0a in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #26 0x00007ffff79be778 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #27 0x00007ffff78a2943 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #28 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #29 0x00007ffff7041e72 in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #30 0x00007ffff704b27a in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #31 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #32 0x00007ffff79da121 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #33 0x00007ffff78a0463 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #34 0x00007ffff78a082b in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #35 0x00007ffff74f476c in ?? () from /usr/lib/libgdk-x11-2.0.so.0 No symbol table info available. #36 0x00007ffff696fadd in g_main_context_dispatch () from /lib/libglib-2.0.so.0 No symbol table info available. #37 0x00007ffff69702c8 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #38 0x00007ffff697090a in g_main_loop_run () from /lib/libglib-2.0.so.0 No symbol table info available. #39 0x00007ffff789f7c7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #40 0x000000000040553f in main () No symbol table info available. (gdb) info registers rax 0x0 0 rbx 0x33d 829 rcx 0x3 3 rdx 0xffff 65535 rsi 0x80004ff8c170 140738830057840 rdi 0x7c7770 8157040 rbp 0xcf8 0xcf8 rsp 0x7fffffffc518 0x7fffffffc518 r8 0xffff 65535 r9 0xfffffffffff3fc60 -787360 r10 0x7ffff60d8440 140737321468992 r11 0x246 582 r12 0x7fffed866000 140737178394624 r13 0x10000 65536 r14 0x7c7770 8157040 r15 0x10 16 rip 0x7ffff60d8448 0x7ffff60d8448 eflags 0x10206 [ PF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7ffff60d8448: movdqa (%rsi),%xmm1 0x7ffff60d844c: pcmpeqb %xmm1,%xmm0 0x7ffff60d8450: pslldq $0x3,%xmm2 0x7ffff60d8455: pcmpeqb %xmm1,%xmm2 0x7ffff60d8459: psubb %xmm0,%xmm2 0x7ffff60d845d: pmovmskb %xmm2,%r9d 0x7ffff60d8462: shr %cl,%edx 0x7ffff60d8464: shr %cl,%r9d 0x7ffff60d8467: sub %r9d,%edx 0x7ffff60d846a: jne 0x7ffff60d8805 0x7ffff60d8470: movdqa (%rdi),%xmm3 0x7ffff60d8474: pxor %xmm0,%xmm0 0x7ffff60d8478: mov $0x10,%rcx 0x7ffff60d847f: mov $0xd,%r9d 0x7ffff60d8485: lea 0xd(%rdi),%r10 0x7ffff60d8489: and $0xfff,%r10 (gdb) thread apply all backtrace Thread 1 (Thread 0x7ffff7fcd8e0 (LWP 2482)): #0 0x00007ffff60d8448 in ?? () from /lib/libc.so.6 #1 0x00007ffff78658d1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #2 0x00007ffff786bc78 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #3 0x00007ffff786ce49 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #4 0x00007ffff786e170 in gtk_icon_theme_get_icon_sizes () from /usr/lib/libgtk-x11-2.0.so.0 #5 0x00007ffff79e8e38 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #6 0x00007ffff79e9226 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #7 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #8 0x00007ffff7042079 in ?? () from /usr/lib/libgobject-2.0.so.0 #9 0x00007ffff704b476 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #10 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #11 0x00007ffff786b043 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #12 0x00007ffff786b246 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #13 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #14 0x00007ffff7042079 in ?? () from /usr/lib/libgobject-2.0.so.0 #15 0x00007ffff704b476 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #16 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #17 0x00007ffff70314f9 in ?? () from /usr/lib/libgobject-2.0.so.0 #18 0x00007ffff70366ae in g_object_set_valist () from /usr/lib/libgobject-2.0.so.0 #19 0x00007ffff7036c64 in g_object_set () from /usr/lib/libgobject-2.0.so.0 #20 0x000000000040636c in ?? () #21 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #22 0x00007ffff7042079 in ?? () from /usr/lib/libgobject-2.0.so.0 #23 0x00007ffff704b476 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #24 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #25 0x00007ffff79bae0a in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #26 0x00007ffff79be778 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #27 0x00007ffff78a2943 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #28 0x00007ffff702f9ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 #29 0x00007ffff7041e72 in ?? () from /usr/lib/libgobject-2.0.so.0 #30 0x00007ffff704b27a in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 #31 0x00007ffff704b633 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 #32 0x00007ffff79da121 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 #33 0x00007ffff78a0463 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0 #34 0x00007ffff78a082b in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0 #35 0x00007ffff74f476c in ?? () from /usr/lib/libgdk-x11-2.0.so.0 #36 0x00007ffff696fadd in g_main_context_dispatch () from /lib/libglib-2.0.so.0 #37 0x00007ffff69702c8 in ?? () from /lib/libglib-2.0.so.0 #38 0x00007ffff697090a in g_main_loop_run () from /lib/libglib-2.0.so.0 #39 0x00007ffff789f7c7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0 #40 0x000000000040553f in main () (gdb) quit A debugging session is active. Inferior 1 [process 2482] will be killed. Quit anyway? (y or n)