xfce4-panel 4.12 alway crash as unknown reasons

gt9000 s zqh0513 at gmail.com
Wed Apr 5 18:15:54 CEST 2017 

I try to google this problem, someone suggest me remove ~/.cache/sessions,
I do this, but xfce4-panel already crash. Anyone know why it crash?

There are thread backtrace:
```
#0  0x00007fc76e0f4a10 in raise () at /usr/lib/libc.so.6
#1  0x00007fc76e0f622a in abort () at /usr/lib/libc.so.6
#2  0x00007fc76e0ed607 in __assert_fail_base () at /usr/lib/libc.so.6
#3  0x00007fc76e0ed6b2 in  () at /usr/lib/libc.so.6
#4  0x00007fc76f3d8d5c in  () at /usr/lib/libcairo.so.2
#5  0x00007fc76f3d8ee1 in  () at /usr/lib/libcairo.so.2
#6  0x00007fc76f3dafbf in  () at /usr/lib/libcairo.so.2
#7  0x00007fc76f3dc1ff in  () at /usr/lib/libcairo.so.2
#8  0x00007fc76f3a17ac in  () at /usr/lib/libcairo.so.2
#9  0x00007fc76f392862 in cairo_glyph_path () at /usr/lib/libcairo.so.2
#10 0x00007fc76debc223 in  () at /usr/lib/libpangocairo-1.0.so.0
#11 0x00007fc76debc60f in  () at /usr/lib/libpangocairo-1.0.so.0
#12 0x00007fc76ef231e9 in pango_renderer_draw_glyphs () at
/usr/lib/libpango-1.0.so.0
#13 0x00007fc76ef23ecf in pango_renderer_draw_layout_line () at
/usr/lib/libpango-1.0.so.0
#14 0x00007fc76ef240f5 in pango_renderer_draw_layout () at
/usr/lib/libpango-1.0.so.0
#15 0x00007fc76debc7ba in  () at /usr/lib/libpangocairo-1.0.so.0
#16 0x00007fc7642cfe07 in  () at
/usr/lib/gtk-2.0/2.10.0/engines/libmurrine.so
#17 0x00007fc76fc9c590 in  () at /usr/lib/libgtk-x11-2.0.so.0
#18 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#19 0x00007fc76ecb8ecf in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#20 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#21 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#22 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#23 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#24 0x00007fc76fc2e494 in gtk_container_propagate_expose () at
/usr/lib/libgtk-x11-2.0.so.0
#25 0x00007fc76fbf946a in  () at /usr/lib/libgtk-x11-2.0.so.0
#26 0x00007fc76fc2cecc in  () at /usr/lib/libgtk-x11-2.0.so.0
#27 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#28 0x00007fc76ecb8ecf in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#29 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#30 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#31 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#32 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#33 0x00007fc76fc2e494 in gtk_container_propagate_expose () at
/usr/lib/libgtk-x11-2.0.so.0
#34 0x00007fc76fd69ed3 in  () at /usr/lib/libgtk-x11-2.0.so.0
#35 0x00007fc771633689 in  () at /usr/lib/libxfce4panel-1.0.so.4
#36 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#37 0x00007fc76ecb8ecf in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#38 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#39 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#40 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#41 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#42 0x00007fc76fc2e494 in gtk_container_propagate_expose () at
/usr/lib/libgtk-x11-2.0.so.0
#43 0x00007fc763498ec0 in  () at /usr/lib/xfce4/panel/plugins/libtasklist.so
#44 0x00007fc76fc2cecc in  () at /usr/lib/libgtk-x11-2.0.so.0
#45 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#46 0x00007fc76ecb8ecf in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#47 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#48 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#49 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#50 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#51 0x00007fc76fc2e494 in gtk_container_propagate_expose () at
/usr/lib/libgtk-x11-2.0.so.0
#52 0x00007fc76fbf946a in  () at /usr/lib/libgtk-x11-2.0.so.0
#53 0x00007fc76fc2cecc in  () at /usr/lib/libgtk-x11-2.0.so.0
#54 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#55 0x00007fc76ecb8ecf in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#56 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#57 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#58 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#59 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#60 0x00007fc76fc2e494 in gtk_container_propagate_expose () at
/usr/lib/libgtk-x11-2.0.so.0
#61 0x00007fc76fc2cecc in  () at /usr/lib/libgtk-x11-2.0.so.0
#62 0x00007fc76fc434ff in  () at /usr/lib/libgtk-x11-2.0.so.0
#63 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#64 0x00007fc76ecb8ecf in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#65 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#66 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#67 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#68 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#69 0x00007fc76fc2e494 in gtk_container_propagate_expose () at
/usr/lib/libgtk-x11-2.0.so.0
#70 0x0000000000419804 in  ()
#71 0x00007fc76fc2cecc in  () at /usr/lib/libgtk-x11-2.0.so.0
#72 0x0000000000418aab in  ()
#73 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#74 0x00007fc76ecb8ecf in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#75 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#76 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#77 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#78 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#79 0x00007fc76fc2e494 in gtk_container_propagate_expose () at
/usr/lib/libgtk-x11-2.0.so.0
#80 0x00000000004253c4 in  ()
#81 0x00007fc76fca77ac in  () at /usr/lib/libgtk-x11-2.0.so.0
#82 0x00007fc76ecb8f75 in g_closure_invoke () at
/usr/lib/libgobject-2.0.so.0
#83 0x00007fc76eccb37d in  () at /usr/lib/libgobject-2.0.so.0
#84 0x00007fc76ecd366f in g_signal_emit_valist () at
/usr/lib/libgobject-2.0.so.0
#85 0x00007fc76ecd3faf in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#86 0x00007fc76fdbf8cc in  () at /usr/lib/libgtk-x11-2.0.so.0
#87 0x00007fc76fca6592 in gtk_main_do_event () at
/usr/lib/libgtk-x11-2.0.so.0
#88 0x00007fc76f90429f in  () at /usr/lib/libgdk-x11-2.0.so.0
#89 0x00007fc76f900d71 in  () at /usr/lib/libgdk-x11-2.0.so.0
#90 0x00007fc76f901688 in gdk_window_process_all_updates () at
/usr/lib/libgdk-x11-2.0.so.0
#91 0x00007fc76fc2cb61 in  () at /usr/lib/libgtk-x11-2.0.so.0
#92 0x00007fc76f8e04b7 in  () at /usr/lib/libgdk-x11-2.0.so.0
#93 0x00007fc76e9e045a in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#94 0x00007fc76e9e0810 in  () at /usr/lib/libglib-2.0.so.0
#95 0x00007fc76e9e0b32 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#96 0x00007fc76fca53a7 in gtk_main () at /usr/lib/libgtk-x11-2.0.so.0
#97 0x0000000000410461 in main ()

```

For more detail, you can download coredump file.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mail.xfce.org/pipermail/xfce/attachments/20170406/da6ee1b1/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: xfce4-panel
Type: application/octet-stream
Size: 282128 bytes
Desc: not available
URL: <https://mail.xfce.org/pipermail/xfce/attachments/20170406/da6ee1b1/attachment-0001.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: core.xfce4-panel.1000.4000c5a60f7844d1a66f1c04cd085f9f.1015.1491405777000000000000.lz4
Type: application/x-lz4
Size: 1634403 bytes
Desc: not available
URL: <https://mail.xfce.org/pipermail/xfce/attachments/20170406/da6ee1b1/attachment-0001.bin>

More information about the Xfce mailing list