I also get a very similar backtraces if I kill Nautilus but mine looks more useful (see at the end), as it even has the timeout=25000.
Looks like I have been for two years stumbling in this very bug but just shrugging it off as it happens only in specific circumstances. To reproduce the bug consistently: (1-2 is unnecessary if you already log in to Ubuntu Gnome) 1. systemctl start sddm (any login manager should work I reckon). 2. login to Ubuntu. 3. logout from Ubuntu. 4. systemctl stop sddm. 5. startx /bin/dwm (or mwm, or icewm, ..., I reckon it will work with any unpretentious window manager). 6. start the Gnome application Looks like something dbus is left off running as a result of 3/4 and ---> #0 0x00007d846e31b4cd in __GI___poll (fds=0x56462c63bbb0, nfds=1, timeout=25000) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007d846fabb66e in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007d846fa5cf77 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007d846ec0d392 in ??? () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007d846eb6c8bc in g_initable_new_valist () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #5 0x00007d846eb6c9ab in g_initable_new () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #6 0x00007d846ec0f3db in g_dbus_proxy_new_for_bus_sync () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #7 0x00007d846e8ac64a in ??? () at /lib/x86_64-linux-gnu/libadwaita-1.so.0 #8 0x00007d846eab1bba in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #9 0x00007d846eab3016 in g_object_new_with_properties () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #10 0x00007d846eab3f71 in g_object_new () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #11 0x00007d846e8ab50d in adw_settings_get_default () at /lib/x86_64-linux-gnu/libadwaita-1.so.0 #12 0x00007d846e887116 in ??? () at /lib/x86_64-linux-gnu/libadwaita-1.so.0 #13 0x00007d846eab1bba in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #14 0x00007d846eab3016 in g_object_new_with_properties () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #15 0x00007d846eab3f71 in g_object_new () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #16 0x00007d846e883184 in ??? () at /lib/x86_64-linux-gnu/libadwaita-1.so.0 #17 0x00007d846e86f3e8 in adw_init () at /lib/x86_64-linux-gnu/libadwaita-1.so.0 #18 0x00007d846e841dd4 in ??? () at /lib/x86_64-linux-gnu/libadwaita-1.so.0 #19 0x000056462ad5da14 in ??? () #20 0x00007d846eac06bd in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #21 0x00007d846eac07c1 in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #22 0x00007d846eac0883 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #23 0x00007d846ebd4f2e in g_application_register () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #24 0x00007d846ebd54d0 in ??? () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #25 0x00007d846ebd5823 in g_application_run () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #26 0x000056462ad5633d in ??? () #27 0x00007d846e22a1ca in __libc_start_call_main (main=main@entry=0x56462ad56260, argc=argc@entry=1, argv=argv@entry=0x7ffe1c7a0f18) at ../sysdeps/nptl/libc_start_call_main.h:58 #28 0x00007d846e22a28b in __libc_start_main_impl (main=0x56462ad56260, argc=1, argv=0x7ffe1c7a0f18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe1c7a0f08) at ../csu/libc-start.c:360 #29 0x000056462ad563b5 in ??? () <--- ---> #0 0x000079134011b4cd in __GI___poll (fds=0x5a732fa6f270, nfds=1, timeout=25000) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x000079134170266e in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007913416a3f77 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x000079134080d392 in ??? () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x000079134076c8bc in g_initable_new_valist () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #5 0x000079134076c9ab in g_initable_new () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #6 0x000079134080d5c2 in g_dbus_proxy_new_sync () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #7 0x0000791340d47a97 in ??? () at /lib/x86_64-linux-gnu/libgtk-4.so.1 #8 0x0000791340d49926 in ??? () at /lib/x86_64-linux-gnu/libgtk-4.so.1 #9 0x0000791340ad4ead in ??? () at /lib/x86_64-linux-gnu/libgtk-4.so.1 #10 0x0000791340441dcf in ??? () at /lib/x86_64-linux-gnu/libadwaita-1.so.0 #11 0x00005a732f3e0a14 in ??? () #12 0x00007913406c06bd in ??? () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #13 0x00007913406c07c1 in g_signal_emit_valist () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #14 0x00007913406c0883 in g_signal_emit () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0 #15 0x00007913407d4f2e in g_application_register () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #16 0x00007913407d54d0 in ??? () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #17 0x00007913407d5823 in g_application_run () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #18 0x00005a732f3d933d in ??? () #19 0x000079134002a1ca in __libc_start_call_main (main=main@entry=0x5a732f3d9260, argc=argc@entry=1, argv=argv@entry=0x7ffced8d3638) at ../sysdeps/nptl/libc_start_call_main.h:58 #20 0x000079134002a28b in __libc_start_main_impl (main=0x5a732f3d9260, argc=1, argv=0x7ffced8d3638, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffced8d3628) at ../csu/libc-start.c:360 #21 0x00005a732f3d93b5 in ??? () <--- Attached is also software-properties-gtk benchmarked, which shows it hanging at Gio.py:run(). -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to dbus in Ubuntu. https://bugs.launchpad.net/bugs/2077451 Title: GNOME 47: GNOME apps don't launch for around the first 20 seconds after login Status in dbus package in Ubuntu: Confirmed Status in gnome-session package in Ubuntu: Confirmed Status in gnome-shell package in Ubuntu: Confirmed Bug description: Ubuntu 24.10 just installed, after graphic screen displayed click on an icon on dock the 1st application (any application also terminal or calculator) takes 10-15 seconds to start. Then after this short period all apps starts quickly as usual. note: this problem happens also on a system installed few days ago. attaching journal ProblemType: Bug DistroRelease: Ubuntu 24.10 Package: gnome-shell 47~beta-1ubuntu2 ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1 Uname: Linux 6.8.0-31-generic x86_64 ApportVersion: 2.30.0-0ubuntu1 Architecture: amd64 CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Tue Aug 20 18:52:53 2024 DisplayManager: gdm3 InstallationDate: Installed on 2024-08-20 (0 days ago) InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Daily amd64 (20240820) ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> RelatedPackageVersions: mutter-common 47~beta-3ubuntu1 SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dbus/+bug/2077451/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp