While the computer was getting stuck kern.log didn't register anything:
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Sep 17 07:50:05 motile kernel: [ 24.688083] fuse: init (API version 7.31)
Sep 17 07:50:06 motile kernel: [ 25.519696] Lockdown: systemd-logind: hibernation is restricted; see https://wiki.debian.org/SecureBoot
Sep 17 07:50:06 motile kernel: [ 25.524791] Lockdown: systemd-logind: hibernation is restricted; see https://wiki.debian.org/SecureBoot
Sep 17 07:50:06 motile kernel: [ 25.525622] Lockdown: systemd-logind: hibernation is restricted; see https://wiki.debian.org/SecureBoot
Sep 17 08:02:27 motile kernel: [ 0.000000] Linux version 5.8.0-1-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.0-6) 10.2.0, GNU ld (GNU Binutils for Debian) 2.35) #1 SMP Debian 5.8.7-1 (2020-09-05)
And this is the last minute of journalctl:
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Sep 17 07:52:12 motile systemd[1]: Reloading.
Sep 17 07:52:12 motile systemd[1]: /lib/systemd/system/smartmontools.service:10: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
Sep 17 07:52:12 motile systemd[1]: Reloading.
Sep 17 07:52:12 motile systemd[1]: /lib/systemd/system/smartmontools.service:10: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
Sep 17 07:52:12 motile systemd[1]: Stopping LSB: exim Mail Transport Agent...
Sep 17 07:52:12 motile exim4[3251]: Stopping MTA: exim4_listener.
Sep 17 07:52:12 motile systemd[1]: exim4.service: Succeeded.
Sep 17 07:52:12 motile systemd[1]: Stopped LSB: exim Mail Transport Agent.
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[2328]: [session uid=1000 pid=2328] Reloaded configuration
Sep 17 07:52:18 motile dbus-daemon[1740]: [session uid=1002 pid=1740] Reloaded configuration
Sep 17 07:52:20 motile systemd[1]: Reloading.
Sep 17 07:52:21 motile systemd[1]: /lib/systemd/system/smartmontools.service:10: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
Sep 17 07:52:21 motile systemd[1]: Reloading.
Sep 17 07:52:21 motile systemd[1]: /lib/systemd/system/smartmontools.service:10: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
Sep 17 07:52:21 motile systemd[1]: exim4-base.timer: Succeeded.
Sep 17 07:52:21 motile systemd[1]: Stopped Daily exim4-base housekeeping.
Sep 17 07:52:21 motile systemd[1]: Stopping Daily exim4-base housekeeping.
Sep 17 07:52:21 motile systemd[1]: Started Daily exim4-base housekeeping.
Sep 17 07:52:22 motile systemd[1]: Reloading.
Sep 17 07:52:23 motile systemd[1]: /lib/systemd/system/smartmontools.service:10: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
Sep 17 07:52:23 motile systemd[1]: Starting LSB: exim Mail Transport Agent...
Sep 17 07:52:23 motile exim4[4152]: Starting MTA: exim4.
Sep 17 07:52:23 motile systemd[1]: Started LSB: exim Mail Transport Agent.
Sep 17 07:52:23 motile systemd[1]: Reloading.
Sep 17 07:52:23 motile systemd[1]: /lib/systemd/system/smartmontools.service:10: Standard output type syslog is obsolete, automatically updating to journal. Please update your unit file, and consider removing the setting altogether.
Sep 17 07:52:25 motile sudo[2611]: pam_unix(sudo:session): session closed for user root
Sep 17 07:52:31 motile sudo[4678]: papino : TTY=tty1 ; PWD=/home/papino ; USER=root ; COMMAND=/usr/bin/apt autoremove
Sep 17 07:52:31 motile sudo[4678]: pam_unix(sudo:session): session opened for user root by papino(uid=0)
Sep 17 07:52:34 motile sudo[4678]: pam_unix(sudo:session): session closed for user root
Sep 17 07:52:38 motile sudo[4714]: papino : TTY=tty1 ; PWD=/home/papino ; USER=root ; COMMAND=/usr/bin/apt clean
Sep 17 07:52:38 motile sudo[4714]: pam_unix(sudo:session): session opened for user root by papino(uid=0)
Sep 17 07:52:38 motile sudo[4714]: pam_unix(sudo:session): session closed for user root
Sep 17 07:52:40 motile systemd[1]: Started Getty on tty6.
Sep 17 07:52:40 motile login[824]: pam_unix(login:session): session closed for user papino
Sep 17 07:52:40 motile systemd[1]: getty@tty1.service: Succeeded.
Sep 17 07:52:40 motile systemd[1]: session-4.scope: Succeeded.
Sep 17 07:52:40 motile systemd-logind[764]: Session 4 logged out. Waiting for processes to exit.
Sep 17 07:52:40 motile systemd[1]: getty@tty1.service: Scheduled restart job, restart counter is at 1.
Sep 17 07:52:40 motile systemd[1]: Stopped Getty on tty1.
Sep 17 07:52:40 motile systemd[1]: Started Getty on tty1.
Sep 17 07:52:40 motile systemd-logind[764]: Removed session 4.
Sep 17 07:52:40 motile bluetoothd[1054]: Endpoint unregistered: sender=:1.81 path=/MediaEndpoint/A2DPSink/sbc
Sep 17 07:52:40 motile bluetoothd[1054]: Endpoint unregistered: sender=:1.81 path=/MediaEndpoint/A2DPSource/sbc
Sep 17 07:52:40 motile systemd[2302]: pulseaudio.service: Succeeded.
Sep 17 07:52:48 motile rtkit-daemon[1097]: Supervising 6 threads of 4 processes of 2 users.
Sep 17 07:52:48 motile rtkit-daemon[1097]: Supervising 6 threads of 4 processes of 2 users.
Sep 17 07:52:50 motile systemd[1]: Stopping User Manager for UID 1000...
Sep 17 07:52:50 motile systemd[2302]: Stopped target Main User Target.
Sep 17 07:52:50 motile gvfsd[2339]: A connection to the bus can't be made
Sep 17 07:52:50 motile systemd[2302]: Stopping D-Bus User Message Bus...
Sep 17 07:52:50 motile systemd[2302]: Stopping Virtual filesystem service...
Sep 17 07:52:50 motile systemd[2302]: Stopping Multimedia Service...
Sep 17 07:52:50 motile systemd[2302]: dbus.service: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Stopped D-Bus User Message Bus.
Sep 17 07:52:51 motile systemd[2302]: gvfs-daemon.service: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Stopped Virtual filesystem service.
Sep 17 07:52:51 motile systemd[2302]: pipewire.service: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Stopped Multimedia Service.
Sep 17 07:52:51 motile systemd[2302]: Stopped target Basic System.
Sep 17 07:52:51 motile systemd[2302]: Stopped target Paths.
Sep 17 07:52:51 motile systemd[2302]: Stopped target Sockets.
Sep 17 07:52:51 motile systemd[2302]: Stopped target Timers.
Sep 17 07:52:51 motile systemd[2302]: dbus.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed D-Bus User Message Bus Socket.
Sep 17 07:52:51 motile systemd[2302]: dirmngr.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed GnuPG network certificate management daemon.
Sep 17 07:52:51 motile systemd[2302]: gpg-agent-browser.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed GnuPG cryptographic agent and passphrase cache (access for web browsers).
Sep 17 07:52:51 motile systemd[2302]: gpg-agent-extra.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed GnuPG cryptographic agent and passphrase cache (restricted).
Sep 17 07:52:51 motile systemd[2302]: gpg-agent-ssh.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed GnuPG cryptographic agent (ssh-agent emulation).
Sep 17 07:52:51 motile systemd[2302]: gpg-agent.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed GnuPG cryptographic agent and passphrase cache.
Sep 17 07:52:51 motile systemd[2302]: pipewire.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed Multimedia System.
Sep 17 07:52:51 motile systemd[2302]: pulseaudio.socket: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Closed Sound System.
Sep 17 07:52:51 motile systemd[2302]: Reached target Shutdown.
Sep 17 07:52:51 motile systemd[2302]: systemd-exit.service: Succeeded.
Sep 17 07:52:51 motile systemd[2302]: Finished Exit the Session.
Sep 17 07:52:51 motile systemd[2302]: Reached target Exit the Session.
Sep 17 07:52:51 motile systemd[1]: user@1000.service: Succeeded.
Sep 17 07:52:51 motile systemd[1]: Stopped User Manager for UID 1000.
Sep 17 07:52:51 motile systemd[1]: Stopping User Runtime Directory /run/user/1000...
Sep 17 07:52:51 motile systemd[1714]: run-user-1000.mount: Succeeded.
Sep 17 07:52:51 motile systemd[1]: run-user-1000.mount: Succeeded.
Sep 17 07:52:51 motile systemd[1]: user-runtime-dir@1000.service: Succeeded.
Sep 17 07:52:51 motile systemd[1]: Stopped User Runtime Directory /run/user/1000.
Sep 17 07:52:51 motile systemd[1]: Removed slice User Slice of UID 1000.
Sep 17 07:54:43 motile anacron[745]: Job `cron.daily' started
Sep 17 07:54:43 motile anacron[4877]: Updated timestamp for job `cron.daily' to 2020-09-17
Sep 17 07:54:43 motile anacron[745]: Job `cron.daily' terminated
Sep 17 07:54:43 motile anacron[745]: Normal exit (1 job run)
Sep 17 07:54:43 motile systemd[1]: anacron.service: Succeeded.
Sep 17 07:59:15 motile rtkit-daemon[1097]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 07:59:15 motile rtkit-daemon[1097]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 07:59:43 motile rsyslogd[762]: [origin software="rsyslogd" swVersion="8.2008.0" x-pid="762" x-info="https://www.rsyslog.com"] rsyslogd was HUPed
-- Reboot --
syslog:
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Sep 17 07:54:43 motile systemd[1]: anacron.service: Succeeded.
Sep 17 07:59:15 motile rtkit-daemon[1097]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 07:59:15 motile rtkit-daemon[1097]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 07:59:43 motile rsyslogd: [origin software="rsyslogd" swVersion="8.2008.0" x-pid="762" x-info="https://www.rsyslog.com"] rsyslogd was HUPed
Exactly a minute later (8:03 am) after the first forced reboot the computer freezes again:
Journalctl:
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Sep 17 08:03:01 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:01 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Successfully made thread 2526 of process 2381 owned by '1002' RT at priority 10.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 6 threads of 4 processes of 1 users.
Sep 17 08:03:07 motile xdg-desktop-por[1632]: Failed to get application states: GDBus.Error:org.freedesktop.portal.Error.Failed: Could not get window list
Sep 17 08:10:03 motile pulseaudio[1502]: E: [alsa-sink-ALC269VC Analog] alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write.
Sep 17 08:10:03 motile pulseaudio[1502]: E: [alsa-sink-ALC269VC Analog] alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Sep 17 08:10:03 motile pulseaudio[1502]: E: [alsa-sink-ALC269VC Analog] alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
-- Reboot --
Kern.log didn't register anything:
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Sep 17 08:02:38 motile kernel: [ 13.862224] Lockdown: systemd-logind: hibernation is restricted; see https://wiki.debian.org/SecureBoot
Sep 17 14:15:21 motile kernel: [ 0.000000] Linux version 5.8.0-1-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.0-6) 10.2.0, GNU ld (GNU Binutils for Debian) 2.35) #1 SMP Debian 5.8.7-1 (2020-09-05)
Syslog registered an issue with Alsa but I didn't recall that Alsa can lock or freeze a computer:
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Sep 17 08:03:01 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:01 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Successfully made thread 2526 of process 2381 owned by '1002' RT at priority 10.
Sep 17 08:03:03 motile rtkit-daemon[1063]: Supervising 6 threads of 4 processes of 1 users.
Sep 17 08:03:07 motile xdg-desktop-por[1632]: Failed to get application states: GDBus.Error:org.freedesktop.portal.Error.Failed: Could not get window list
Sep 17 08:10:03 motile pulseaudio[1502]: E: [alsa-sink-ALC269VC Analog] alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write.
Sep 17 08:10:03 motile pulseaudio[1502]: E: [alsa-sink-ALC269VC Analog] alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Sep 17 08:10:03 motile pulseaudio[1502]: E: [alsa-sink-ALC269VC Analog] alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Sep 17 14:15:21 motile kernel: [ 0.000000] Linux version 5.8.0-1-amd64 (debian-kernel@lists.debian.org) (gcc-10 (Debian 10.2.0-6) 10.2.0, GNU ld (GNU Binutils for Debian) 2.35) #1 SMP Debian 5.8.7-1 (2020-09-05)
debug log show the rtkit-daemon running before the first freeze
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Sep 17 07:59:15 motile rtkit-daemon[1097]: Supervising 5 threads of 3 processes of 1 users.
Sep 17 07:59:15 motile rtkit-daemon[1097]: Supervising 5 threads of 3 processes of 1 users.
I am really confused...