Created attachment 700222 [details]
gnome-session-crash.txt

current TW. Unclear what I did at this point. Perhaps the system ran OOM while
copying kernel sources around on a ext4 partition?

Core was generated by `/usr/lib/gnome-session-failed --debug --allow-logout'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007fae0c4cbca9 in _gtk_style_provider_private_get_settings
(provider=0x0) at gtkstyleproviderprivate.c:123
123       iface = GTK_STYLE_PROVIDER_PRIVATE_GET_INTERFACE (provider);
#0  0x00007fae0c4cbca9 in _gtk_style_provider_private_get_settings
(provider=0x0) at gtkstyleproviderprivate.c:123
#1  0x00007fae0c3680d8 in gtk_css_value_initial_compute (value=<optimized out>,
property_id=1, provider=0x0, style=0x11be020 [GtkCssStaticStyle],
parent_style=0x0) at gtkcssinitialvalue.c:52
#2  0x00007fae0c37d154 in gtk_css_static_style_compute_value (style=0x11be020
[GtkCssStaticStyle], provider=<optimized out>, parent_style=<optimized out>,
id=1, specified=0x7fae0caeb200 <inherit>, section=0x0) at
gtkcssstaticstyle.c:237
#3  0x00007fae0c36940c in _gtk_css_lookup_resolve
(lookup=lookup@entry=0x11bd000, provider=provider@entry=0x0,
style=style@entry=0x11be020 [GtkCssStaticStyle],
parent_style=parent_style@entry=0x0)
    at gtkcsslookup.c:122
#4  0x00007fae0c37d07c in gtk_css_static_style_new_compute
(provider=provider@entry=0x0, matcher=matcher@entry=0x0,
parent=parent@entry=0x0) at gtkcssstaticstyle.c:195
#5  0x00007fae0c37d0d5 in gtk_css_static_style_get_default () at
gtkcssstaticstyle.c:164
#6  0x00007fae0c369d72 in gtk_css_node_init (cssnode=0x11aa690 [GtkCssNode]) at
gtkcssnode.c:663
#7  0x00007fae0bcc5c6f in g_type_create_instance (type=<optimized out>) at
gtype.c:1860
#8  0x00007fae0bca7b5b in g_object_new_internal (class=class@entry=0x11bc670,
params=params@entry=0x0, n_params=n_params@entry=0) at gobject.c:1783
#9  0x00007fae0bca956d in g_object_newv
(object_type=object_type@entry=18587312, n_parameters=n_parameters@entry=0,
parameters=parameters@entry=0x0) at gobject.c:1930
#10 0x00007fae0bca9d24 in g_object_new (object_type=18587312,
first_property_name=first_property_name@entry=0x0) at gobject.c:1623
#11 0x00007fae0c3855ba in gtk_css_widget_node_new
(widget=widget@entry=0x11ba380 [GtkWidget]) at gtkcsswidgetnode.c:301
#12 0x00007fae0c562c87 in gtk_widget_init (instance=0x11ba380 [GtkWidget],
g_class=0x11b9910) at gtkwidget.c:4407
#13 0x00007fae0bcc5c6f in g_type_create_instance (type=<optimized out>) at
gtype.c:1860
#14 0x00007fae0bca7b5b in g_object_new_internal (class=class@entry=0x11b9910,
params=params@entry=0x0, n_params=n_params@entry=0) at gobject.c:1783
#15 0x00007fae0bca956d in g_object_newv
(object_type=object_type@entry=18509728, n_parameters=n_parameters@entry=0,
parameters=parameters@entry=0x0) at gobject.c:1930
#16 0x00007fae0bca9d24 in g_object_new (object_type=18509728,
first_property_name=first_property_name@entry=0x0) at gobject.c:1623
#17 0x0000000000402003 in main (argc=<optimized out>, argv=<optimized out>) at
gsm-fail-whale-dialog.c:382