#1147591 systemd_261.2-1 causes series of ModemManager's crashes

#1147591#5
Date:
2026-09-13 13:02:43 UTC
From:
To:
Hi,
I'm using Mobian testing on my phone (op6-enchilada, sdm845).
After upgrading systemd to 261.2-1 version, I've noticed ModemManager crashes a lot,
like I've reported at [1] before investigating this further.
After downgrading systemd packages to 261.1-3 and holding those at that version, I haven't
experienced such issue anymore.

I'm attaching a section of the log hereunder. Full log is attached to the ModemManager issue report.


ago 31 10:50:19 mobian NetworkManager[692]: <warn>  [1788166219.0041] platform-linux: do-change-link[5]: failure 22 (Invalid argument), setting MTU to requested size is not possible
ago 31 10:50:19 mobian NetworkManager[692]: <warn>  [1788166219.0043] device (qrtr0): mtu: failure to set MTU. Did you configure the MTU correctly?
ago 31 10:50:49 mobian NetworkManager[692]: <warn>  [1788166249.0036] platform-linux: do-change-link[5]: failure 22 (Invalid argument), setting MTU to requested size is not possible
ago 31 10:50:49 mobian NetworkManager[692]: <warn>  [1788166249.0037] device (qrtr0): mtu: failure to set MTU. Did you configure the MTU correctly?
ago 31 10:51:19 mobian NetworkManager[692]: <warn>  [1788166279.0053] platform-linux: do-change-link[5]: failure 22 (Invalid argument), setting MTU to requested size is not possible
ago 31 10:51:19 mobian NetworkManager[692]: <warn>  [1788166279.0054] device (qrtr0): mtu: failure to set MTU. Did you configure the MTU correctly?
ago 31 10:51:39 mobian earlyoom[586]: mem avail:  1863 of  3951 MiB (47.16%), swap free: 2322 of 2778 MiB (83.59%)
ago 31 10:51:49 mobian NetworkManager[692]: <warn>  [1788166309.0055] platform-linux: do-change-link[5]: failure 22 (Invalid argument), setting MTU to requested size is not possible
ago 31 10:51:49 mobian NetworkManager[692]: <warn>  [1788166309.0056] device (qrtr0): mtu: failure to set MTU. Did you configure the MTU correctly?
ago 31 10:52:19 mobian NetworkManager[692]: <warn>  [1788166339.0063] platform-linux: do-change-link[5]: failure 22 (Invalid argument), setting MTU to requested size is not possible
ago 31 10:52:19 mobian NetworkManager[692]: <warn>  [1788166339.0065] device (qrtr0): mtu: failure to set MTU. Did you configure the MTU correctly?
ago 31 10:52:47 mobian systemd[1]: Starting fwupd-refresh.service - Refresh fwupd metadata and update motd...
ago 31 10:52:47 mobian systemd[1]: fwupd-refresh.service: Deactivated successfully.
ago 31 10:52:47 mobian systemd[1]: Finished fwupd-refresh.service - Refresh fwupd metadata and update motd.
ago 31 10:52:49 mobian NetworkManager[692]: <warn>  [1788166369.0044] platform-linux: do-change-link[5]: failure 22 (Invalid argument), setting MTU to requested size is not possible
ago 31 10:52:49 mobian NetworkManager[692]: <warn>  [1788166369.0046] device (qrtr0): mtu: failure to set MTU. Did you configure the MTU correctly?
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0/bearer1] verbose call end reason (3,1034): [cm] esm-sync-up-with-nw
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.1924] device (qrtr0): mtu: failure to set IPv6 MTU
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.1928] platform-linux: do-add-ip4-address[5: 10.48.13.157/30]: failure 19 (No such device - ipv4: Device not found)
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.1929] l3cfg[19bee8ec2685582b,ifindex=5]: unable to configure IPv4 route: type unicast 0.0.0.0/0 via 10.48.13.158 dev 5 metric 700 mss 0 rt-src wwan
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.1930] platform-linux: do-add-ip6-address[5: 2a02:b027:8041:8b8f:6514:15af:c7da:d265]: failure 19 (No such device - ipv6: Unable to find the interface)
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.1930] l3cfg[19bee8ec2685582b,ifindex=5]: unable to configure IPv6 route: type unicast 2a02:b027:8041:8b8f::/64 dev 5 metric 700 mss 0 rt-src rt-kernel
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.1930] l3cfg[19bee8ec2685582b,ifindex=5]: unable to configure IPv6 route: type unicast ::/0 via 2a02:b027:8041:8b8f:a8a4:ca96:1cea:c5e1 dev 5 metric 700 mss 0 rt-src wwan
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0] state changed (connected -> registered)
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0/bearer1] connection #1 finished: duration 14408s, tx: 1060576 bytes, rx: 26657748 bytes
ago 31 10:52:52 mobian spacebar-daemon[3601]: interface changed: ""
ago 31 10:52:52 mobian spacebar-daemon[3601]: interface changed: ""
ago 31 10:52:52 mobian spacebar-daemon[3601]: bearer connected: false
ago 31 10:52:52 mobian spacebar-daemon[3601]: bearer connected: false
ago 31 10:52:52 mobian spacebar-daemon[3601]: dns4 updated: ""
ago 31 10:52:52 mobian spacebar-daemon[3601]: dns4 updated: ""
ago 31 10:52:52 mobian spacebar-daemon[3601]: dns6 updated: ""
ago 31 10:52:52 mobian spacebar-daemon[3601]: dns6 updated: ""
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2126] device (qrtr0): state change: activated -> failed (reason 'modem-no-carrier', managed-type: 'full')
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2130] manager: NetworkManager state is now DISCONNECTED
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.2136] device (qrtr0): Activation: failed for connection 'Very'
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2145] device (qrtr0): state change: failed -> disconnected (reason 'none', managed-type: 'full')
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.2146] device (qrtr0): error setting IPv4 forwarding to '0': Resource temporarily unavailable
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2184] policy: auto-activating connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2201] device (qrtr0): Activation: starting connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2203] device (qrtr0): state change: disconnected -> prepare (reason 'none', managed-type: 'full')
ago 31 10:52:52 mobian dbus-daemon[600]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.9' (uid=0 pid=692 comm="/usr/sbin/NetworkManager --no-daemon" label="unconfined")
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2211] manager: NetworkManager state is now CONNECTING
ago 31 10:52:52 mobian systemd[1]: Starting NetworkManager-dispatcher.service - Network Manager Script Dispatcher Service...
ago 31 10:52:52 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/NotificationCard.qml:176:9: QML QQuickItem: List didn't append all objects
ago 31 10:52:52 mobian NetworkManager[692]: <warn>  [1788166372.2416] dns-sd-resolved[00d069cfc3d5a127]: send-updates SetLinkDomains@5 failed: GDBus.Error:org.freedesktop.resolve1.NoSuchLink: Link 5 not known
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0] simple connect started...
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:52:52 mobian dbus-daemon[600]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:52:52 mobian systemd[1]: Started NetworkManager-dispatcher.service - Network Manager Script Dispatcher Service.
ago 31 10:52:52 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/NotificationCard.qml:176:9: QML QQuickItem: List didn't append all objects
ago 31 10:52:52 mobian ModemManager[861]: <msg> [modem0/bearer1] net link qmapmux0.0 created (mux id 1)
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.2772] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/6)
ago 31 10:52:52 mobian systemd-coredump[7916]: Process 861 (ModemManager) of user 0 terminated abnormally with signal 11/SEGV, processing...
ago 31 10:52:52 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:52:52 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:52:52 mobian systemd[1]: Started systemd-coredump@2-16385-7916_7917-0.service - Process Core Dump (PID 7916/UID 0).
ago 31 10:52:52 mobian systemd[1]: Started drkonqi-coredump-processor@2-16385-7916_7917-0.service - Pass systemd-coredump journal entries to relevant user for potential DrKonqi handling.
ago 31 10:52:52 mobian systemd-coredump[7918]: Process 861 (ModemManager) of user 0 dumped core.

                                               Module libblkid.so.1 from deb util-linux-2.42.2-2.arm64
                                               Module libmount.so.1 from deb util-linux-2.42.2-2.arm64
                                               Module libpolkit-gobject-1.so.0 from deb policykit-1-127-3.arm64
                                               Stack trace of thread 861:
                                               #0  0x0000000000000030 n/a (n/a + 0x0)
                                               #1  0x0000aaaad02c3e60 n/a (ModemManager + 0x163e60)

                                               Stack trace of thread 862:
                                               #0  0x0000ffff8a7b2ea8 n/a (libc.so.6 + 0x92ea8)
                                               #1  0x0000ffff8a7a5f40 n/a (libc.so.6 + 0x85f40)
                                               #2  0x0000ffff8a7a5f90 n/a (libc.so.6 + 0x85f90)
                                               #3  0x0000ffff8a80784c ppoll (libc.so.6 + 0xe784c)
                                               #4  0x0000ffff8b36f7a8 n/a (libglib-2.0.so.0 + 0x5f7a8)
                                               #5  0x0000ffff8b36ffe8 g_main_context_iteration (libglib-2.0.so.0 + 0x5ffe8)
                                               #6  0x0000ffff8b370050 n/a (libglib-2.0.so.0 + 0x60050)
                                               #7  0x0000ffff8b3a2770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #8  0x0000ffff8a7a99c8 n/a (libc.so.6 + 0x899c8)
                                               #9  0x0000ffff8a811edc n/a (libc.so.6 + 0xf1edc)

                                               Stack trace of thread 863:
                                               #0  0x0000ffff8a80fb24 syscall (libc.so.6 + 0xefb24)
                                               #1  0x0000ffff8b3a1ebc g_cond_wait (libglib-2.0.so.0 + 0x91ebc)
                                               #2  0x0000ffff8b3353ec n/a (libglib-2.0.so.0 + 0x253ec)
                                               #3  0x0000ffff8b3a2adc n/a (libglib-2.0.so.0 + 0x92adc)
                                               #4  0x0000ffff8b3a2770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #5  0x0000ffff8a7a99c8 n/a (libc.so.6 + 0x899c8)
                                               #6  0x0000ffff8a811edc n/a (libc.so.6 + 0xf1edc)

                                               Stack trace of thread 866:
                                               #0  0x0000ffff8a7b2ea8 n/a (libc.so.6 + 0x92ea8)
                                               #1  0x0000ffff8a7a5f40 n/a (libc.so.6 + 0x85f40)
                                               #2  0x0000ffff8a7a5f90 n/a (libc.so.6 + 0x85f90)
                                               #3  0x0000ffff8a80784c ppoll (libc.so.6 + 0xe784c)
                                               #4  0x0000ffff8b36f7a8 n/a (libglib-2.0.so.0 + 0x5f7a8)
                                               #5  0x0000ffff8b37032c g_main_loop_run (libglib-2.0.so.0 + 0x6032c)
                                               #6  0x0000ffff8b225254 n/a (libgio-2.0.so.0 + 0x145254)
                                               #7  0x0000ffff8b3a2770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #8  0x0000ffff8a7a99c8 n/a (libc.so.6 + 0x899c8)
                                               #9  0x0000ffff8a811edc n/a (libc.so.6 + 0xf1edc)
                                               ELF object binary architecture: AARCH64
ago 31 10:52:52 mobian systemd[1]: systemd-coredump@2-16385-7916_7917-0.service: Deactivated successfully.
ago 31 10:52:52 mobian systemd[1]: ModemManager.service: Main process exited, code=dumped, status=11/SEGV
ago 31 10:52:52 mobian gnome-calls[3589]: ModemManager vanished from D-Bus
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.9207] modem-manager: ModemManager no longer available
ago 31 10:52:52 mobian kded6[3373]: kf.notifications: Failed to notify "Created too many similar notifications in quick succession"
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.9209] device (qrtr0): state change: prepare -> unmanaged (reason 'unmanaged-link-not-init', managed-type: 'removed')
ago 31 10:52:52 mobian NetworkManager[692]: <info>  [1788166372.9214] manager: NetworkManager state is now DISCONNECTED
ago 31 10:52:53 mobian systemd[1]: ModemManager.service: Failed with result 'core-dump'.
ago 31 10:52:53 mobian systemd[1]: ModemManager.service: Consumed 9.965s CPU time over 4h 1min 25.712s wall clock time, 26.3M memory peak, 216K memory swap peak.
ago 31 10:52:53 mobian drkonqi-coredump-processor[7919]: "/usr/sbin/ModemManager" 861 "/var/lib/systemd/coredump/core.ModemManager.0.72f00685215247a9a94cd05c25ec535e.861.1788166372000000.zst"
ago 31 10:52:53 mobian drkonqi-coredump-processor[7919]: The socket path doesn't exist @ "/run/user/0/drkonqi-coredump-launcher"
ago 31 10:52:53 mobian systemd[1]: ModemManager.service: Scheduled restart job, restart counter is at 1.
ago 31 10:52:53 mobian systemd[1]: Starting qcom-modem-setup.service - Qualcomm modem setup...
ago 31 10:52:53 mobian systemd[1]: drkonqi-coredump-processor@2-16385-7916_7917-0.service: Deactivated successfully.
ago 31 10:52:53 mobian qcom-modem-setup[7936]: I: Using qrtr://0
ago 31 10:52:54 mobian qcom-modem-setup[7936]: I: Waited 1 seconds for modem device to appear
ago 31 10:52:54 mobian qcom-modem-setup[7953]: Successfully set engine lock
ago 31 10:52:54 mobian qcom-modem-setup[7956]: Successfully set NMEA types
ago 31 10:52:54 mobian qcom-modem-setup[7936]: I: Waited 0 seconds for modem to come up
ago 31 10:52:54 mobian qcom-modem-setup[7936]: W: Application was already selected.
ago 31 10:52:54 mobian qcom-modem-setup[7936]: I: Selecting A0:00:00:00:87:10:02:XX:XX:XX:FF:XX:XX:01:XX:XX on slot 1
ago 31 10:52:54 mobian systemd[1]: qcom-modem-setup.service: Deactivated successfully.
ago 31 10:52:54 mobian systemd[1]: Finished qcom-modem-setup.service - Qualcomm modem setup.
ago 31 10:52:54 mobian systemd[1]: Starting ModemManager.service - Modem Manager...
ago 31 10:52:55 mobian ModemManager[7983]: <msg> ModemManager (version 1.24.2) starting in system bus...
ago 31 10:52:55 mobian systemd[1]: Started ModemManager.service - Modem Manager.
ago 31 10:52:55 mobian gnome-calls[3589]: ModemManager appeared on D-Bus
ago 31 10:52:55 mobian NetworkManager[692]: <info>  [1788166375.1594] modem-manager: ModemManager now available
ago 31 10:52:57 mobian ModemManager[7983]: <msg> [qrtr0/probe] probe step: start
ago 31 10:52:57 mobian ModemManager[7983]: <msg> [qrtr0/probe] probe step: QMI
ago 31 10:52:57 mobian ModemManager[7983]: <msg> [qrtr0/probe] probe step: done
ago 31 10:52:57 mobian kwin_wayland_wrapper[7757]: qt.qml.defaultmethod: Assigning an object to a signal handler is deprecated. Instead, create the object, give it an id, and call the desired slot from the signal handler. The object is: QQuickSequentialAnimation(0xffff94006de0)
ago 31 10:52:57 mobian kwin_wayland_wrapper[7757]: qrc:/org/kde/plasma/private/mobileshell/NotificationCard.qml:176:9: QML QQuickItem: List didn't append all objects
ago 31 10:52:57 mobian kwin_wayland_wrapper[7757]: qt.qml.defaultmethod: Assigning an object to a signal handler is deprecated. Instead, create the object, give it an id, and call the desired slot from the signal handler. The object is: QQuickSequentialAnimation(0xaaaace34a520)
ago 31 10:52:57 mobian kwin_wayland_wrapper[7757]: qrc:/org/kde/plasma/private/mobileshell/NotificationCard.qml:176:9: QML QQuickItem: List didn't append all objects
ago 31 10:52:57 mobian systemd-logind[643]: Power key pressed short.
ago 31 10:52:59 mobian ModemManager[7983]: <msg> [device qcom-soc] creating modem with plugin 'qcom-soc' and '3' ports
ago 31 10:52:59 mobian ModemManager[7983]: <msg> [base-manager] modem for device 'qcom-soc' successfully created
ago 31 10:52:59 mobian ModemManager[7983]: <msg> [base-manager] running setup for device 'qcom-soc'...
ago 31 10:52:59 mobian ModemManager[7983]: <msg> [base-manager] couldn't check support for device '/sys/devices/platform/soc@0/18800000.wifi': not supported by any plugin
ago 31 10:52:59 mobian ModemManager[7983]: <msg> [base-manager] couldn't check support for device '/sys/devices/platform/soc@0/a6f8800.usb/a600000.usb': not supported by any plugin
ago 31 10:53:00 mobian kwin_wayland_wrapper[7757]: qt.qml.context: file:///usr/share/plasma/shells/org.kde.plasma.mobileshell/contents/lockscreen/FlickContainer.qml:91:5 Parameter "totalDeltaX" is not declared. Injection of parameters into signal handlers is deprecated. Use JavaScript functions with formal parameters instead.
ago 31 10:53:02 mobian kwin_wayland_wrapper[7757]: qml: attempt password
ago 31 10:53:02 mobian kscreenlocker_greet[7757]: pam_kwallet5(kde:auth): pam_kwallet5: pam_sm_authenticate
ago 31 10:53:02 mobian kscreenlocker_greet[7757]: pam_kwallet5(kde:auth): pam_kwallet5: we were already executed
ago 31 10:53:02 mobian kscreenlocker_greet[7757]: pam_kwallet5(kde:setcred): pam_kwallet5: pam_sm_setcred
ago 31 10:53:02 mobian systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully.
ago 31 10:53:04 mobian ModemManager[7983]: <wrn> [modem0] unhandled QMI radio interface '9'
ago 31 10:53:04 mobian ModemManager[7983]: <wrn> [modem0] unhandled QMI radio interface '9'
ago 31 10:53:04 mobian plasmashell[3407]: raiselockscreenplugin: Initialized overlay successfully
ago 31 10:53:05 mobian plasmashell[3407]: Executing "plasma-open-settings kcm_cellular_network"
ago 31 10:53:05 mobian systemd[3001]: Started app-plasma\x2dsettings@b71a983d7a8f4da4bd1adcb7dd8367c9.service - plasma-settings.
ago 31 10:53:05 mobian plasma-settings[8021]: Current platform is  QList("phone", "handset")
ago 31 10:53:05 mobian plasma-settings[8021]: Starting libddcutil. library built Jun 21 2026 at 08:49:25. stdout_stderr_redirected=true
ago 31 10:53:06 mobian plasma-settings[8021]: Using fontconfig file: "/home/marco/.config/fontconfig/fonts.conf"
ago 31 10:53:06 mobian plasma-settings[8021]: Using fontconfig file: "/home/marco/.config/fontconfig/fonts.conf"
ago 31 10:53:06 mobian plasma-settings[8021]: kf.bluezqt: InitManagerJob Error: Job was deleted before finished!
ago 31 10:53:06 mobian plasma-settings[8021]: found module
ago 31 10:53:07 mobian plasma-settings[8021]: file:///usr/lib/aarch64-linux-gnu/qt6/qml/org/kde/kirigami/controls/ContextDrawer.qml:142: TypeError: Cannot read property 'preferredHeight' of undefined
ago 31 10:53:14 mobian ModemManager[7983]: <wrn> [modem0] couldn't load SUPL server: Failed to receive indication with the current server settings
ago 31 10:53:14 mobian ModemManager[7983]: <wrn> [modem0] couldn't build device ids: Unknown device subsystem
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] state changed (unknown -> disabled)
ago 31 10:53:14 mobian mmsdtng[3100]: New Object with Messaging feature found, Adding...
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0199] manager: (qrtr0): new Broadband device (/org/freedesktop/NetworkManager/Devices/7)
ago 31 10:53:14 mobian plasmashell[3407]: file:///usr/share/plasma/quicksettings/org.kde.plasma.quicksetting.mobiledata/contents/ui/main.qml:24: TypeError: Cannot read property 'needsAPNAdded' of null
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0201] device (qrtr0): state change: unmanaged -> unavailable (reason 'managed', managed-type: 'external')
ago 31 10:53:14 mobian NetworkManager[692]: <warn>  [1788166394.0203] device (qrtr0): error setting IPv4 forwarding to '0': Success
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0205] device (qrtr0): modem state 'enabling'
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0206] device (qrtr0): state change: unavailable -> disconnected (reason 'none', managed-type: 'full')
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0209] policy: auto-activating connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager object `/org/freedesktop/ModemManager1/Modem/0' added
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Firmware' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Simple' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Sar' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Modem3gpp' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Modem3gpp.ProfileManager' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Voice' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: Adding new voice-capable modem `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: Modem '/org/freedesktop/ModemManager1/Modem/0' has location capabilities
ago 31 10:53:14 mobian gnome-calls[3589]: Modem '/org/freedesktop/ModemManager1/Modem/0' has 3gpp location disabled
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0213] device (qrtr0): Activation: starting connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0214] device (qrtr0): state change: disconnected -> prepare (reason 'none', managed-type: 'full')
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.0215] manager: NetworkManager state is now CONNECTING
ago 31 10:53:14 mobian gnome-calls[3589]: Adding origin 0 (0xaaaad7e2acc0)
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Messaging' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Modem3gpp.Ussd' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Signal' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Location' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:14 mobian spacebar-daemon[3601]: qt.dbus.integration: Could not connect "org.freedesktop.DBus.Properties" to onPropertiesChanged(QString, QVariantMap, QStringList) :
ago 31 10:53:14 mobian gnome-calls[3589]: Setting the country code to `IT'
ago 31 10:53:14 mobian gnome-calls[3589]: Setting country code to IT
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] state changed (disabled -> enabling)
ago 31 10:53:14 mobian ModemManager[7983]: <wrn> [modem0] failed checking whether autoconnect is disabled or not: QMI protocol error (70): 'InvalidOperation'
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] power state updated: on
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] simple connect started...
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] simple connect state (4/10): wait to get fully enabled
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] 3GPP packet service state changed (unknown -> attached)
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] state changed (enabling -> enabled)
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] simple connect state (5/10): wait after enabled
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] 3GPP registration state changed (unknown -> registering)
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] 3GPP registration state changed (registering -> home)
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] state changed (enabled -> registered)
ago 31 10:53:14 mobian gnome-calls[3589]: Got network country code 222 (IT) for /org/freedesktop/ModemManager1/Modem/0
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:53:14 mobian ModemManager[7983]: <msg> [modem0/bearer1] net link qmapmux0.0 created (mux id 1)
ago 31 10:53:14 mobian NetworkManager[692]: <info>  [1788166394.2490] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/8)
ago 31 10:53:14 mobian spacebar-daemon[3601]: Country Code: "IT"
ago 31 10:53:14 mobian spacebar-daemon[3601]: qt.dbus.integration: Could not connect "org.freedesktop.DBus.Properties" to onPropertiesChanged(QString, QVariantMap, QStringList) :
ago 31 10:53:14 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:53:14 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:53:14 mobian spacebar-daemon[3601]: dns: ""
ago 31 10:53:14 mobian spacebar-daemon[3601]: interface: ""
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer1] couldn't start IPv4 network: QMI protocol error (14): 'CallFailed'
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer1] verbose call end reason (3,1110): [cm] emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer1] couldn't start IPv6 network: QMI protocol error (14): 'CallFailed'
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer1] verbose call end reason (3,1110): [cm] emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <wrn> [modem0/bearer1] connection attempt #1 failed: Call failed: cm error: emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] state changed (connecting -> registered)
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer1] connection #1 finished: duration 0s
ago 31 10:53:15 mobian ModemManager[7983]: <wrn> [modem0] couldn't connect bearer: Call failed: cm error: emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect started...
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer2] net link qmapmux0.0 created (mux id 1)
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9248] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/9)
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer2] couldn't start IPv4 network: QMI protocol error (14): 'CallFailed'
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer2] verbose call end reason (3,1110): [cm] emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <wrn> [modem0/bearer2] connection attempt #1 failed: Call failed: cm error: emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] state changed (connecting -> registered)
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer2] connection #1 finished: duration 0s
ago 31 10:53:15 mobian ModemManager[7983]: <wrn> [modem0] couldn't connect bearer: Call failed: cm error: emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect started...
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:53:15 mobian spacebar-daemon[3601]: dns: ""
ago 31 10:53:15 mobian spacebar-daemon[3601]: interface: ""
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer3] net link qmapmux0.0 created (mux id 1)
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9611] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/10)
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer3] couldn't start IPv6 network: QMI protocol error (14): 'CallFailed'
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer3] verbose call end reason (3,1110): [cm] emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <wrn> [modem0/bearer3] connection attempt #1 failed: Call failed: cm error: emm-invalid-state
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0] state changed (connecting -> registered)
ago 31 10:53:15 mobian ModemManager[7983]: <msg> [modem0/bearer3] connection #1 finished: duration 0s
ago 31 10:53:15 mobian ModemManager[7983]: <wrn> [modem0] couldn't connect bearer: Call failed: cm error: emm-invalid-state
ago 31 10:53:15 mobian NetworkManager[692]: <warn>  [1788166395.9753] modem-broadband[qrtr0]: failed to connect modem: Unknown error: Call failed: cm error: emm-invalid-state
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9753] device (qrtr0): state change: prepare -> failed (reason 'unknown', managed-type: 'full')
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9757] manager: NetworkManager state is now DISCONNECTED
ago 31 10:53:15 mobian NetworkManager[692]: <warn>  [1788166395.9759] device (qrtr0): Activation: failed for connection 'Very'
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9761] device (qrtr0): state change: failed -> disconnected (reason 'none', managed-type: 'full')
ago 31 10:53:15 mobian NetworkManager[692]: <warn>  [1788166395.9762] device (qrtr0): error setting IPv4 forwarding to '0': Resource temporarily unavailable
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9765] policy: auto-activating connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9770] device (qrtr0): Activation: starting connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9770] device (qrtr0): state change: disconnected -> prepare (reason 'none', managed-type: 'full')
ago 31 10:53:15 mobian NetworkManager[692]: <info>  [1788166395.9772] manager: NetworkManager state is now CONNECTING
ago 31 10:53:16 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/NotificationCard.qml:176:9: QML QQuickItem: List didn't append all objects
ago 31 10:53:16 mobian spacebar-daemon[3601]: dns: ""
ago 31 10:53:16 mobian spacebar-daemon[3601]: interface: ""
ago 31 10:53:16 mobian ModemManager[7983]: <msg> [modem0] simple connect started...
ago 31 10:53:16 mobian ModemManager[7983]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:53:16 mobian ModemManager[7983]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:53:16 mobian ModemManager[7983]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:53:16 mobian ModemManager[7983]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:53:16 mobian ModemManager[7983]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:53:16 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:53:16 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:53:16 mobian ModemManager[7983]: <msg> [modem0/bearer1] net link qmapmux0.0 created (mux id 1)
ago 31 10:53:16 mobian NetworkManager[692]: <info>  [1788166396.0180] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/11)
ago 31 10:53:16 mobian systemd-coredump[8078]: Process 7983 (ModemManager) of user 0 terminated abnormally with signal 11/SEGV, processing...
ago 31 10:53:16 mobian systemd[1]: Started systemd-coredump@3-9-8078_8079-0.service - Process Core Dump (PID 8078/UID 0).
ago 31 10:53:16 mobian systemd[1]: Started drkonqi-coredump-processor@3-9-8078_8079-0.service - Pass systemd-coredump journal entries to relevant user for potential DrKonqi handling.
ago 31 10:53:16 mobian systemd-coredump[8080]: Process 7983 (ModemManager) of user 0 dumped core.

                                               Module libblkid.so.1 from deb util-linux-2.42.2-2.arm64
                                               Module libmount.so.1 from deb util-linux-2.42.2-2.arm64
                                               Module libpolkit-gobject-1.so.0 from deb policykit-1-127-3.arm64
                                               Stack trace of thread 7983:
                                               #0  0x0000000000000030 n/a (n/a + 0x0)
                                               #1  0x0000aaaaaeb83e60 n/a (ModemManager + 0x163e60)

                                               Stack trace of thread 7984:
                                               #0  0x0000ffff87842ea8 n/a (libc.so.6 + 0x92ea8)
                                               #1  0x0000ffff87835f40 n/a (libc.so.6 + 0x85f40)
                                               #2  0x0000ffff87835f90 n/a (libc.so.6 + 0x85f90)
                                               #3  0x0000ffff8789784c ppoll (libc.so.6 + 0xe784c)
                                               #4  0x0000ffff883ff7a8 n/a (libglib-2.0.so.0 + 0x5f7a8)
                                               #5  0x0000ffff883fffe8 g_main_context_iteration (libglib-2.0.so.0 + 0x5ffe8)
                                               #6  0x0000ffff88400050 n/a (libglib-2.0.so.0 + 0x60050)
                                               #7  0x0000ffff88432770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #8  0x0000ffff878399c8 n/a (libc.so.6 + 0x899c8)
                                               #9  0x0000ffff878a1edc n/a (libc.so.6 + 0xf1edc)

                                               Stack trace of thread 7988:
                                               #0  0x0000ffff87842ea8 n/a (libc.so.6 + 0x92ea8)
                                               #1  0x0000ffff87835f40 n/a (libc.so.6 + 0x85f40)
                                               #2  0x0000ffff87835f90 n/a (libc.so.6 + 0x85f90)
                                               #3  0x0000ffff8789784c ppoll (libc.so.6 + 0xe784c)
                                               #4  0x0000ffff883ff7a8 n/a (libglib-2.0.so.0 + 0x5f7a8)
                                               #5  0x0000ffff8840032c g_main_loop_run (libglib-2.0.so.0 + 0x6032c)
                                               #6  0x0000ffff882b5254 n/a (libgio-2.0.so.0 + 0x145254)
                                               #7  0x0000ffff88432770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #8  0x0000ffff878399c8 n/a (libc.so.6 + 0x899c8)
                                               #9  0x0000ffff878a1edc n/a (libc.so.6 + 0xf1edc)

                                               Stack trace of thread 7985:
                                               #0  0x0000ffff8789fb24 syscall (libc.so.6 + 0xefb24)
                                               #1  0x0000ffff88431ebc g_cond_wait (libglib-2.0.so.0 + 0x91ebc)
                                               #2  0x0000ffff883c53ec n/a (libglib-2.0.so.0 + 0x253ec)
                                               #3  0x0000ffff88432adc n/a (libglib-2.0.so.0 + 0x92adc)
                                               #4  0x0000ffff88432770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #5  0x0000ffff878399c8 n/a (libc.so.6 + 0x899c8)
                                               #6  0x0000ffff878a1edc n/a (libc.so.6 + 0xf1edc)
                                               ELF object binary architecture: AARCH64
ago 31 10:53:16 mobian systemd[1]: systemd-coredump@3-9-8078_8079-0.service: Deactivated successfully.
ago 31 10:53:16 mobian NetworkManager[692]: <info>  [1788166396.4517] modem-manager: ModemManager no longer available
ago 31 10:53:16 mobian kded6[3373]: kf.notifications: Failed to notify "Created too many similar notifications in quick succession"
ago 31 10:53:16 mobian NetworkManager[692]: <info>  [1788166396.4518] device (qrtr0): state change: prepare -> unmanaged (reason 'unmanaged-link-not-init', managed-type: 'removed')
ago 31 10:53:16 mobian gnome-calls[3589]: ModemManager vanished from D-Bus
ago 31 10:53:16 mobian NetworkManager[692]: <info>  [1788166396.4528] manager: NetworkManager state is now DISCONNECTED
ago 31 10:53:16 mobian systemd[1]: ModemManager.service: Main process exited, code=dumped, status=11/SEGV
ago 31 10:53:16 mobian gnome-calls[3589]: Could not query call waiting status: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
ago 31 10:53:16 mobian systemd[1]: ModemManager.service: Failed with result 'core-dump'.
ago 31 10:53:16 mobian systemd[1]: ModemManager.service: Scheduled restart job, restart counter is at 2.
ago 31 10:53:16 mobian drkonqi-coredump-processor[8081]: "/usr/sbin/ModemManager" 7983 "/var/lib/systemd/coredump/core.ModemManager.0.72f00685215247a9a94cd05c25ec535e.7983.1788166396000000.zst"
ago 31 10:53:16 mobian drkonqi-coredump-processor[8081]: The socket path doesn't exist @ "/run/user/0/drkonqi-coredump-launcher"
ago 31 10:53:16 mobian systemd[1]: Starting qcom-modem-setup.service - Qualcomm modem setup...
ago 31 10:53:16 mobian systemd[1]: drkonqi-coredump-processor@3-9-8078_8079-0.service: Deactivated successfully.
ago 31 10:53:16 mobian qcom-modem-setup[8091]: I: Using qrtr://0
ago 31 10:53:17 mobian qcom-modem-setup[8091]: I: Waited 1 seconds for modem device to appear
ago 31 10:53:18 mobian qcom-modem-setup[8105]: Successfully set engine lock
ago 31 10:53:18 mobian qcom-modem-setup[8110]: Successfully set NMEA types
ago 31 10:53:18 mobian qcom-modem-setup[8091]: I: Waited 0 seconds for modem to come up
ago 31 10:53:18 mobian qcom-modem-setup[8091]: W: Application was already selected.
ago 31 10:53:18 mobian qcom-modem-setup[8091]: I: Selecting A0:00:00:00:87:10:02:XX:XX:XX:FF:XX:XX:01:XX:XX on slot 1
ago 31 10:53:18 mobian systemd[1]: qcom-modem-setup.service: Deactivated successfully.
ago 31 10:53:18 mobian systemd[1]: Finished qcom-modem-setup.service - Qualcomm modem setup.
ago 31 10:53:18 mobian systemd[1]: Starting ModemManager.service - Modem Manager...
ago 31 10:53:18 mobian ModemManager[8137]: <msg> ModemManager (version 1.24.2) starting in system bus...
ago 31 10:53:18 mobian gnome-calls[3589]: ModemManager appeared on D-Bus
ago 31 10:53:18 mobian systemd[1]: Started ModemManager.service - Modem Manager.
ago 31 10:53:18 mobian NetworkManager[692]: <info>  [1788166398.5634] modem-manager: ModemManager now available
ago 31 10:53:18 mobian mmsdtng[3100]: mm_modem_messaging_list: assertion 'MM_IS_MODEM_MESSAGING (self)' failed
ago 31 10:53:20 mobian ModemManager[8137]: <msg> [qrtr0/probe] probe step: start
ago 31 10:53:20 mobian ModemManager[8137]: <msg> [qrtr0/probe] probe step: QMI
ago 31 10:53:20 mobian ModemManager[8137]: <msg> [qrtr0/probe] probe step: done
ago 31 10:53:21 mobian plasmashell[3407]: raiselockscreenplugin: Initialized overlay successfully
ago 31 10:53:22 mobian ModemManager[8137]: <msg> [device qcom-soc] creating modem with plugin 'qcom-soc' and '3' ports
ago 31 10:53:22 mobian ModemManager[8137]: <msg> [base-manager] modem for device 'qcom-soc' successfully created
ago 31 10:53:22 mobian ModemManager[8137]: <msg> [base-manager] running setup for device 'qcom-soc'...
ago 31 10:53:22 mobian ModemManager[8137]: <msg> [base-manager] couldn't check support for device '/sys/devices/platform/soc@0/18800000.wifi': not supported by any plugin
ago 31 10:53:22 mobian ModemManager[8137]: <msg> [base-manager] couldn't check support for device '/sys/devices/platform/soc@0/a6f8800.usb/a600000.usb': not supported by any plugin
ago 31 10:53:26 mobian plasma-settings[8021]: qt.qml.context: qrc:/kcm/kcm_cellular_network/ProfileList.qml:31:13 Parameter "checked" is not declared. Injection of parameters into signal handlers is deprecated. Use JavaScript functions with formal parameters instead.
ago 31 10:53:28 mobian ModemManager[8137]: <wrn> [modem0] unhandled QMI radio interface '9'
ago 31 10:53:28 mobian ModemManager[8137]: <wrn> [modem0] unhandled QMI radio interface '9'
ago 31 10:53:31 mobian kwin_wayland_wrapper[3250]: file:///usr/share/kwin/effects/mobiletaskswitcher/contents/ui/TaskSwitcher.qml:123: KWin::XdgToplevelWindow(0xaaaaf45022c0) should be coerced to void because the function called is insufficiently annotated. The original value is retained. This will change in a future version of Qt.
ago 31 10:53:31 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:66: TypeError: Cannot read property 'shrinkSize' of null
ago 31 10:53:31 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:65: TypeError: Cannot read property 'enabled' of null
ago 31 10:53:31 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:62: TypeError: Cannot read property 'visible' of null
ago 31 10:53:31 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:67: TypeError: Cannot read property 'iconSource' of null
ago 31 10:53:32 mobian kwin_wayland_wrapper[3250]: kwin_scene_opengl: Could not delete render time query because no context is current
ago 31 10:53:36 mobian plasmashell[3407]: raiselockscreenplugin: Initialized overlay successfully
ago 31 10:53:37 mobian plasmashell[3407]: Executing "plasma-open-settings kcm_cellular_network"
ago 31 10:53:37 mobian systemd[3001]: Started app-plasma\x2dsettings@48ea7393b7a3407184eeb1f6e1d230e1.service - plasma-settings.
ago 31 10:53:37 mobian plasma-settings[8021]: activateRequested QList("/usr/bin/plasma-settings", "-m", "kcm_cellular_network")
ago 31 10:53:37 mobian plasma-settings[8021]: Loading module: "kcm_cellular_network"
ago 31 10:53:37 mobian plasma-settings[8021]: found module
ago 31 10:53:37 mobian plasma-settings[8203]: QThreadStorage: entry 2 destroyed before end of thread 0xaaaae3873400
ago 31 10:53:37 mobian plasma-settings[8203]: QThreadStorage: entry 1 destroyed before end of thread 0xaaaae3873400
ago 31 10:53:38 mobian ModemManager[8137]: <wrn> [modem0] couldn't load SUPL server: Failed to receive indication with the current server settings
ago 31 10:53:42 mobian plasma-settings[8021]: qml: load new module QModelIndex(6,0,0xaaab04304f00,ModulesProxyModel(0xaaab04304850))
ago 31 10:53:46 mobian systemd[3001]: app-plasma\x2dsettings@b71a983d7a8f4da4bd1adcb7dd8367c9.service: Consumed 4.103s CPU time over 41.224s wall clock time, 220.7M memory peak.
ago 31 10:53:47 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:66: TypeError: Cannot read property 'shrinkSize' of null
ago 31 10:53:47 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:65: TypeError: Cannot read property 'enabled' of null
ago 31 10:53:47 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:62: TypeError: Cannot read property 'visible' of null
ago 31 10:53:47 mobian kwin_wayland_wrapper[3250]: qrc:/org/kde/plasma/private/mobileshell/NavigationPanel.qml:67: TypeError: Cannot read property 'iconSource' of null
ago 31 10:53:48 mobian ModemManager[8137]: <wrn> [modem0] couldn't load supported assistance data types: Failed to receive indication with the predicted orbits data source
ago 31 10:53:48 mobian ModemManager[8137]: <wrn> [modem0] couldn't build device ids: Unknown device subsystem
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] state changed (unknown -> disabled)
ago 31 10:53:48 mobian plasmashell[3407]: file:///usr/share/plasma/quicksettings/org.kde.plasma.quicksetting.mobiledata/contents/ui/main.qml:24: TypeError: Cannot read property 'needsAPNAdded' of null
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0097] manager: (qrtr0): new Broadband device (/org/freedesktop/NetworkManager/Devices/12)
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0099] device (qrtr0): state change: unmanaged -> unavailable (reason 'managed', managed-type: 'external')
ago 31 10:53:48 mobian NetworkManager[692]: <warn>  [1788166428.0101] device (qrtr0): error setting IPv4 forwarding to '0': Invalid argument
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0102] device (qrtr0): modem state 'enabling'
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0104] device (qrtr0): state change: unavailable -> disconnected (reason 'none', managed-type: 'full')
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0107] policy: auto-activating connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0112] device (qrtr0): Activation: starting connection 'Very' (6140e9f1-7c10-4c17-a4c0-5211c07ad4e4)
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0113] device (qrtr0): state change: disconnected -> prepare (reason 'none', managed-type: 'full')
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.0115] manager: NetworkManager state is now CONNECTING
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager object `/org/freedesktop/ModemManager1/Modem/0' added
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Firmware' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Simple' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Sar' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Modem3gpp' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Modem3gpp.ProfileManager' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Voice' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: Adding new voice-capable modem `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: Modem '/org/freedesktop/ModemManager1/Modem/0' has location capabilities
ago 31 10:53:48 mobian gnome-calls[3589]: Modem '/org/freedesktop/ModemManager1/Modem/0' has 3gpp location disabled
ago 31 10:53:48 mobian gnome-calls[3589]: Adding origin 0 (0xaaaad71bbf60)
ago 31 10:53:48 mobian mmsdtng[3100]: New Object with Messaging feature found, Adding...
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Messaging' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Modem3gpp.Ussd' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Signal' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian gnome-calls[3589]: ModemManager interface `org.freedesktop.ModemManager1.Modem.Location' found on object `/org/freedesktop/ModemManager1/Modem/0'
ago 31 10:53:48 mobian spacebar-daemon[3601]: qt.dbus.integration: Could not connect "org.freedesktop.DBus.Properties" to onPropertiesChanged(QString, QVariantMap, QStringList) :
ago 31 10:53:48 mobian gnome-calls[3589]: Setting the country code to `IT'
ago 31 10:53:48 mobian gnome-calls[3589]: Setting country code to IT
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] state changed (disabled -> enabling)
ago 31 10:53:48 mobian ModemManager[8137]: <wrn> [modem0] failed checking whether autoconnect is disabled or not: QMI protocol error (70): 'InvalidOperation'
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] power state updated: on
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] 3GPP packet service state changed (unknown -> attached)
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] state changed (enabling -> enabled)
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] 3GPP registration state changed (unknown -> registering)
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] 3GPP registration state changed (registering -> home)
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] state changed (enabled -> registered)
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] simple connect started...
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:53:48 mobian gnome-calls[3589]: Got network country code 222 (IT) for /org/freedesktop/ModemManager1/Modem/0
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0/bearer1] net link qmapmux0.0 created (mux id 1)
ago 31 10:53:48 mobian NetworkManager[692]: <info>  [1788166428.1439] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/13)
ago 31 10:53:48 mobian spacebar-daemon[3601]: Country Code: "IT"
ago 31 10:53:48 mobian spacebar-daemon[3601]: qt.dbus.integration: Could not connect "org.freedesktop.DBus.Properties" to onPropertiesChanged(QString, QVariantMap, QStringList) :
ago 31 10:53:48 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:53:48 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/SignalStrengthIndicator.qml:38: ReferenceError: wirelessStatus is not defined
ago 31 10:53:48 mobian spacebar-daemon[3601]: dns: ""
ago 31 10:53:48 mobian spacebar-daemon[3601]: interface: ""
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0/bearer1] couldn't start IPv4 network: QMI protocol error (14): 'CallFailed'
ago 31 10:53:48 mobian ModemManager[8137]: <msg> [modem0/bearer1] verbose call end reason (6,98): [3gpp] message-type-noncompatible-state
ago 31 10:53:48 mobian kwin_wayland_wrapper[3250]: kwin_scene_opengl: Could not delete render time query because no context is current
ago 31 10:53:48 mobian kwin_wayland_wrapper[3250]: kwin_scene_opengl: Could not delete render time query because no context is current
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer1] couldn't start IPv6 network: QMI protocol error (14): 'CallFailed'
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer1] verbose call end reason (3,1110): [cm] emm-invalid-state
ago 31 10:53:49 mobian ModemManager[8137]: <wrn> [modem0/bearer1] connection attempt #1 failed: message-type-noncompatible-state: Message type not compatible with protocol state
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] state changed (connecting -> registered)
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer1] connection #1 finished: duration 0s
ago 31 10:53:49 mobian ModemManager[8137]: <wrn> [modem0] couldn't connect bearer: message-type-noncompatible-state: Message type not compatible with protocol state
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect started...
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer2] net link qmapmux0.0 created (mux id 1)
ago 31 10:53:49 mobian NetworkManager[692]: <info>  [1788166429.5838] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/14)
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer2] couldn't start IPv4 network: QMI protocol error (14): 'CallFailed'
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer2] verbose call end reason (3,1110): [cm] emm-invalid-state
ago 31 10:53:49 mobian ModemManager[8137]: <wrn> [modem0/bearer2] connection attempt #1 failed: Call failed: cm error: emm-invalid-state
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] state changed (connecting -> registered)
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer2] connection #1 finished: duration 0s
ago 31 10:53:49 mobian ModemManager[8137]: <wrn> [modem0] couldn't connect bearer: Call failed: cm error: emm-invalid-state
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect started...
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (6/10): register
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (7/10): wait to get packet service state attached
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (8/10): bearer
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] simple connect state (9/10): connect
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0] state changed (registered -> connecting)
ago 31 10:53:49 mobian ModemManager[8137]: <msg> [modem0/bearer3] net link qmapmux0.0 created (mux id 1)
ago 31 10:53:49 mobian NetworkManager[692]: <info>  [1788166429.6347] manager: (qmapmux0.0): new Generic device (/org/freedesktop/NetworkManager/Devices/15)
ago 31 10:53:49 mobian systemd-coredump[8262]: Process 8137 (ModemManager) of user 0 terminated abnormally with signal 11/SEGV, processing...
ago 31 10:53:49 mobian systemd[1]: Started systemd-coredump@4-20481-8262_8263-0.service - Process Core Dump (PID 8262/UID 0).
ago 31 10:53:49 mobian systemd[1]: Started drkonqi-coredump-processor@4-20481-8262_8263-0.service - Pass systemd-coredump journal entries to relevant user for potential DrKonqi handling.
ago 31 10:53:49 mobian systemd-coredump[8264]: Process 8137 (ModemManager) of user 0 dumped core.

                                               Module libblkid.so.1 from deb util-linux-2.42.2-2.arm64
                                               Module libmount.so.1 from deb util-linux-2.42.2-2.arm64
                                               Module libpolkit-gobject-1.so.0 from deb policykit-1-127-3.arm64
                                               Stack trace of thread 8137:
                                               #0  0x0000000000000030 n/a (n/a + 0x0)
                                               #1  0x0000aaaae40e3e60 n/a (ModemManager + 0x163e60)

                                               Stack trace of thread 8142:
                                               #0  0x0000ffff8cfc8248 n/a (libglib-2.0.so.0 + 0x98248)
                                               #1  0x0000ffff8cf8f318 n/a (libglib-2.0.so.0 + 0x5f318)
                                               #2  0x0000ffff8cf8f5c8 n/a (libglib-2.0.so.0 + 0x5f5c8)
                                               #3  0x0000ffff8cf9032c g_main_loop_run (libglib-2.0.so.0 + 0x6032c)
                                               #4  0x0000ffff8ce45254 n/a (libgio-2.0.so.0 + 0x145254)
                                               #5  0x0000ffff8cfc2770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #6  0x0000ffff8c3c99c8 n/a (libc.so.6 + 0x899c8)
                                               #7  0x0000ffff8c431edc n/a (libc.so.6 + 0xf1edc)

                                               Stack trace of thread 8138:
                                               #0  0x0000ffff8c3d2ea8 n/a (libc.so.6 + 0x92ea8)
                                               #1  0x0000ffff8c3c5f40 n/a (libc.so.6 + 0x85f40)
                                               #2  0x0000ffff8c3c5f90 n/a (libc.so.6 + 0x85f90)
                                               #3  0x0000ffff8c42784c ppoll (libc.so.6 + 0xe784c)
                                               #4  0x0000ffff8cf8f7a8 n/a (libglib-2.0.so.0 + 0x5f7a8)
                                               #5  0x0000ffff8cf8ffe8 g_main_context_iteration (libglib-2.0.so.0 + 0x5ffe8)
                                               #6  0x0000ffff8cf90050 n/a (libglib-2.0.so.0 + 0x60050)
                                               #7  0x0000ffff8cfc2770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #8  0x0000ffff8c3c99c8 n/a (libc.so.6 + 0x899c8)
                                               #9  0x0000ffff8c431edc n/a (libc.so.6 + 0xf1edc)

                                               Stack trace of thread 8139:
                                               #0  0x0000ffff8c42fb24 syscall (libc.so.6 + 0xefb24)
                                               #1  0x0000ffff8cfc1ebc g_cond_wait (libglib-2.0.so.0 + 0x91ebc)
                                               #2  0x0000ffff8cf553ec n/a (libglib-2.0.so.0 + 0x253ec)
                                               #3  0x0000ffff8cfc2adc n/a (libglib-2.0.so.0 + 0x92adc)
                                               #4  0x0000ffff8cfc2770 n/a (libglib-2.0.so.0 + 0x92770)
                                               #5  0x0000ffff8c3c99c8 n/a (libc.so.6 + 0x899c8)
                                               #6  0x0000ffff8c431edc n/a (libc.so.6 + 0xf1edc)
                                               ELF object binary architecture: AARCH64
ago 31 10:53:49 mobian systemd[1]: systemd-coredump@4-20481-8262_8263-0.service: Deactivated successfully.
ago 31 10:53:50 mobian systemd[1]: ModemManager.service: Main process exited, code=dumped, status=11/SEGV
ago 31 10:53:50 mobian NetworkManager[692]: <info>  [1788166430.0108] modem-manager: ModemManager no longer available
ago 31 10:53:50 mobian gnome-calls[3589]: ModemManager vanished from D-Bus
ago 31 10:53:50 mobian NetworkManager[692]: <info>  [1788166430.0110] device (qrtr0): state change: prepare -> unmanaged (reason 'unmanaged-link-not-init', managed-type: 'removed')
ago 31 10:53:50 mobian NetworkManager[692]: <info>  [1788166430.0126] manager: NetworkManager state is now DISCONNECTED
ago 31 10:53:50 mobian gnome-calls[3589]: Could not query call waiting status: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
ago 31 10:53:50 mobian plasmashell[3407]: qrc:/org/kde/plasma/private/mobileshell/NotificationCard.qml:176:9: QML QQuickItem: List didn't append all objects
ago 31 10:53:50 mobian dbus-daemon[600]: [system] Activating via systemd: service name='org.freedesktop.ModemManager1' unit='dbus-org.freedesktop.ModemManager1.service' requested by ':1.88' (uid=1000 pid=3601 comm="/usr/lib/aarch64-linux-gnu/libexec/spacebar-daemon" label="unconfined")
ago 31 10:53:50 mobian systemd[1]: Starting qcom-modem-setup.service - Qualcomm modem setup...
ago 31 10:53:50 mobian systemd[1]: ModemManager.service: Failed with result 'core-dump'.
ago 31 10:53:50 mobian systemd[1]: ModemManager.service: Scheduled restart job, restart counter is at 3.
ago 31 10:53:50 mobian drkonqi-coredump-processor[8265]: "/usr/sbin/ModemManager" 8137 "/var/lib/systemd/coredump/core.ModemManager.0.72f00685215247a9a94cd05c25ec535e.8137.1788166429000000.zst"
ago 31 10:53:50 mobian drkonqi-coredump-processor[8265]: The socket path doesn't exist @ "/run/user/0/drkonqi-coredump-launcher"
ago 31 10:53:50 mobian systemd[1]: drkonqi-coredump-processor@4-20481-8262_8263-0.service: Deactivated successfully.
ago 31 10:53:51 mobian qcom-modem-setup[8275]: I: Using qrtr://0
ago 31 10:53:52 mobian qcom-modem-setup[8275]: I: Waited 2 seconds for modem device to appear
ago 31 10:53:52 mobian qcom-modem-setup[8294]: Successfully set engine lock
ago 31 10:53:52 mobian qcom-modem-setup[8297]: Successfully set NMEA types
ago 31 10:53:52 mobian qcom-modem-setup[8275]: I: Waited 0 seconds for modem to come up
ago 31 10:53:52 mobian qcom-modem-setup[8275]: W: Application was already selected.
ago 31 10:53:52 mobian qcom-modem-setup[8275]: I: Selecting A0:00:00:00:87:10:02:XX:XX:XX:FF:XX:XX:01:XX:XX on slot 1
ago 31 10:53:52 mobian systemd[1]: qcom-modem-setup.service: Deactivated successfully.
ago 31 10:53:52 mobian systemd[1]: Finished qcom-modem-setup.service - Qualcomm modem setup.
ago 31 10:53:52 mobian systemd[1]: Starting ModemManager.service - Modem Manager...

Any hint on debugging this further is appreciated.
Kind regards
Marco

[1] https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/work_items/1097