xfce4-panel tasklist crash several times a day.
I can't say what exactly causes the crash but it's very annoying and happens several times a day.
ArchLinux 6.2.12-arch1-1 xfce4-panel v4.18.3
~/.xsession-errors
(xfce4-panel:1121): libtasklist-CRITICAL **: 10:06:02.090: tasklist-widget.c:4490 (xfce_tasklist_group_button_sort): expression 'group_child->type == CHILD_TYPE_GROUP' failed.
[3195:3195:0427/100628.196875:ERROR:interface_endpoint_client.cc(695)] Message 0 rejected by interface blink.mojom.WidgetHost
(xfce4-panel:1121): libtasklist-CRITICAL **: 10:06:49.363: tasklist-widget.c:4490 (xfce_tasklist_group_button_sort): expression 'group_child->type == CHILD_TYPE_GROUP' failed.
(xfce4-panel:1121): libtasklist-CRITICAL **: 10:06:49.424: tasklist-widget.c:4490 (xfce_tasklist_group_button_sort): expression 'group_child->type == CHILD_TYPE_GROUP' failed.
(wrapper-2.0:1148): GLib-GObject-CRITICAL **: 10:07:00.073: ../glib/gobject/gsignal.c:2778: instance '0x56331fbf56c0' has no handler with id '61'
(wrapper-2.0:1150): GLib-GObject-CRITICAL **: 10:07:00.089: ../glib/gobject/gsignal.c:2778: instance '0x558bb4ae72f0' has no handler with id '61'
weather-Message: 10:07:01.163: getting https://api.met.no/weatherapi/locationforecast/2.0/classic?lat=35.698002&lon=51.411499&altitude=1178
dmesg:
[ 5195.384837] xfce4-panel[1121]: segfault at fffff753 ip 00007fbf1a167da8 sp 00007ffeeb077500 error 4 in libtasklist.so[7fbf1a165000+c000] likely on CPU 6 (core 3, socket 0)
[ 5195.384868] Code: 48 8d 0d 2b a4 00 00 48 8d 15 9c 92 00 00 48 8d 3d f9 9d 00 00 ff 25 77 3a 01 00 0f 1f 80 00 00 00 00 53 48 8b 57 08 48 89 fb <83> ba 98 00 00 00 04 75 07 5b c3 0f 1f 44 00 00 48 8b 7f 50 48 8d