Public bug reported:
mate-panel sees intermittent crashes (https://github.com/mate-
desktop/mate-panel/issues/1356) which seems to be due to a bug in gtk3
that was recently fixed upstream
(https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/6660).
Note that while in my case the crash happens with mate-panel, it appears
to be affecting more than that - e.g. the upstream MR mentions
xfce4-panel.
Could this upstream fix perhaps be backported to 24.04? It applies
cleanly to 3.24.41-4ubuntu1.3.
For the time being, I've just rebuilt gtk+3.0 locally with the patch
applied.
Details:
Ubuntu 24.04.2 LTS
xorg + nvidia 570.153.02
libgtk-3-0t64:amd64 3.24.41-4ubuntu1.3
mate-panel:amd64 1.27.1-2build3 (and 1.28.0+git20241125-aquos)
Here's an example backtrace from a mate-panel crash caused by the
gtk_drag_finish bug (note the mate-panel version shown below is slightly
newer than exists in 24.04; rebuilt several months ago in a failed
attempt to fix the issue):
Core was generated by `mate-panel'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000728dd2b9ac24 in gtk_drag_finish (context=0x648e8ebea550, success=0,
del=0, time=0) at ../../../gtk/gtkdnd.c:961
warning: 961 ../../../gtk/gtkdnd.c: No such file or directory
[Current thread is 1 (Thread 0x728dd1102ac0 (LWP 361159))]
...
Thread 1 (Thread 0x728dd1102ac0 (LWP 361159)):
#0 0x0000728dd2b9ac24 in gtk_drag_finish (context=0x648e8ebea550, success=0,
del=0, time=0) at ../../../gtk/gtkdnd.c:961
__inst = 0x648e8ebea550
__t = 0x648e8e86c7c0 [GdkDragContext]
__r = <optimized out>
_g_boolean_var_14 = <optimized out>
target = 0x0
__func__ = "gtk_drag_finish"
#1 0x0000728dd2ba0193 in gtk_drag_drop_finished (info=0x648e8ebea550,
result=GTK_DRAG_RESULT_TIMEOUT_EXPIRED, time=0) at ../../../gtk/gtkdnd.c:2582
success = 0
#2 0x0000728dd2ba03ad in gtk_drag_drop (info=0x648e8f43dcf0, time=0) at
../../../gtk/gtkdnd.c:2659
#3 0x0000728dd2738c6d in gdk_threads_dispatch (data=0x0) at
../../../gdk/gdk.c:769
dispatch = 0x0
ret = 0
#4 0x0000728dd22a3532 in g_timeout_dispatch
(source=source@entry=0x648e8f3062a0, callback=<optimized out>,
user_data=<optimized out>) at ../../../glib/gmain.c:4989
timeout_source = 0x648e8f3062a0
again = <optimized out>
#5 0x0000728dd22a249e in g_main_dispatch (context=0x648e8e7fb5d0) at
../../../glib/gmain.c:3344
dispatch = 0x728dd22a3500 <g_timeout_dispatch>
prev_source = 0x0
begin_time_nsec = 0
was_in_call = 0
user_data = 0x648e8f43dcf0
callback = 0x728dd2738c40 <gdk_threads_dispatch>
cb_funcs = <optimized out>
cb_data = 0x648e8e7f4640
need_destroy = <optimized out>
source = 0x648e8f3062a0
current = 0x648e8e828f10
i = 3535405997
__func__ = "g_main_dispatch"
#6 0x0000728dd2301737 in g_main_context_dispatch_unlocked
(context=0x648e8e7fb5d0) at ../../../glib/gmain.c:4152
#7 g_main_context_iterate_unlocked.isra.0 (context=0x648e8e7fb5d0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4217
max_priority = 2147483647
timeout = 101348
some_ready = 1
nfds = 5
allocated_nfds = <optimized out>
fds = 0x648e8f40afc0
#8 0x0000728dd22a2f87 in g_main_loop_run (loop=0x648e8eac92f0) at
../../../glib/gmain.c:4419
self = <optimized out>
__func__ = "g_main_loop_run"
#9 0x0000728dd29febc5 in gtk_main () at ../../../gtk/gtkmain.c:1329
loop = 0x648e8eac92f0
#10 0x0000648e89155e1d in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/mate-panel-1.28.0+git20241125-aquos/mate-panel/main.c:223
desktopfile = <optimized out>
context = <optimized out>
error = 0x0
display = <optimized out>
screen = 0x648e8e7ea110 [GdkX11Screen]
css = 0x648e8e922590 [GtkCssProvider]
provider = 0x648e8e922590
resource = 0x648e891aab30 "/org/mate/panel/theme/mate-panel.css"
priority = 1
** Affects: gtk+3.0 (Ubuntu)
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to gtk+3.0 in Ubuntu.
https://bugs.launchpad.net/bugs/2114689
Title:
Crash in gtk_drag_finish() in 24.04; fix merged upstream
Status in gtk+3.0 package in Ubuntu:
New
Bug description:
mate-panel sees intermittent crashes (https://github.com/mate-
desktop/mate-panel/issues/1356) which seems to be due to a bug in gtk3
that was recently fixed upstream
(https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/6660).
Note that while in my case the crash happens with mate-panel, it
appears to be affecting more than that - e.g. the upstream MR mentions
xfce4-panel.
Could this upstream fix perhaps be backported to 24.04? It applies
cleanly to 3.24.41-4ubuntu1.3.
For the time being, I've just rebuilt gtk+3.0 locally with the patch
applied.
Details:
Ubuntu 24.04.2 LTS
xorg + nvidia 570.153.02
libgtk-3-0t64:amd64 3.24.41-4ubuntu1.3
mate-panel:amd64 1.27.1-2build3 (and 1.28.0+git20241125-aquos)
Here's an example backtrace from a mate-panel crash caused by the
gtk_drag_finish bug (note the mate-panel version shown below is
slightly newer than exists in 24.04; rebuilt several months ago in a
failed attempt to fix the issue):
Core was generated by `mate-panel'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000728dd2b9ac24 in gtk_drag_finish (context=0x648e8ebea550, success=0,
del=0, time=0) at ../../../gtk/gtkdnd.c:961
warning: 961 ../../../gtk/gtkdnd.c: No such file or directory
[Current thread is 1 (Thread 0x728dd1102ac0 (LWP 361159))]
...
Thread 1 (Thread 0x728dd1102ac0 (LWP 361159)):
#0 0x0000728dd2b9ac24 in gtk_drag_finish (context=0x648e8ebea550, success=0,
del=0, time=0) at ../../../gtk/gtkdnd.c:961
__inst = 0x648e8ebea550
__t = 0x648e8e86c7c0 [GdkDragContext]
__r = <optimized out>
_g_boolean_var_14 = <optimized out>
target = 0x0
__func__ = "gtk_drag_finish"
#1 0x0000728dd2ba0193 in gtk_drag_drop_finished (info=0x648e8ebea550,
result=GTK_DRAG_RESULT_TIMEOUT_EXPIRED, time=0) at ../../../gtk/gtkdnd.c:2582
success = 0
#2 0x0000728dd2ba03ad in gtk_drag_drop (info=0x648e8f43dcf0, time=0) at
../../../gtk/gtkdnd.c:2659
#3 0x0000728dd2738c6d in gdk_threads_dispatch (data=0x0) at
../../../gdk/gdk.c:769
dispatch = 0x0
ret = 0
#4 0x0000728dd22a3532 in g_timeout_dispatch
(source=source@entry=0x648e8f3062a0, callback=<optimized out>,
user_data=<optimized out>) at ../../../glib/gmain.c:4989
timeout_source = 0x648e8f3062a0
again = <optimized out>
#5 0x0000728dd22a249e in g_main_dispatch (context=0x648e8e7fb5d0) at
../../../glib/gmain.c:3344
dispatch = 0x728dd22a3500 <g_timeout_dispatch>
prev_source = 0x0
begin_time_nsec = 0
was_in_call = 0
user_data = 0x648e8f43dcf0
callback = 0x728dd2738c40 <gdk_threads_dispatch>
cb_funcs = <optimized out>
cb_data = 0x648e8e7f4640
need_destroy = <optimized out>
source = 0x648e8f3062a0
current = 0x648e8e828f10
i = 3535405997
__func__ = "g_main_dispatch"
#6 0x0000728dd2301737 in g_main_context_dispatch_unlocked
(context=0x648e8e7fb5d0) at ../../../glib/gmain.c:4152
#7 g_main_context_iterate_unlocked.isra.0 (context=0x648e8e7fb5d0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4217
max_priority = 2147483647
timeout = 101348
some_ready = 1
nfds = 5
allocated_nfds = <optimized out>
fds = 0x648e8f40afc0
#8 0x0000728dd22a2f87 in g_main_loop_run (loop=0x648e8eac92f0) at
../../../glib/gmain.c:4419
self = <optimized out>
__func__ = "g_main_loop_run"
#9 0x0000728dd29febc5 in gtk_main () at ../../../gtk/gtkmain.c:1329
loop = 0x648e8eac92f0
#10 0x0000648e89155e1d in main (argc=<optimized out>, argv=<optimized out>)
at /usr/src/mate-panel-1.28.0+git20241125-aquos/mate-panel/main.c:223
desktopfile = <optimized out>
context = <optimized out>
error = 0x0
display = <optimized out>
screen = 0x648e8e7ea110 [GdkX11Screen]
css = 0x648e8e922590 [GtkCssProvider]
provider = 0x648e8e922590
resource = 0x648e891aab30 "/org/mate/panel/theme/mate-panel.css"
priority = 1
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