Continued freezes ?cronjobs

hello here is the latest overnight freeze, last journalctrl -r

multiple freezes yesterday, after a rather stable few days, can cron cause dom0 to freeze?

-- Reboot --
Nov 17 19:01:01 dom0 run-parts[15200]: (/etc/cron.hourly) finished 0anacron
Nov 17 19:01:01 dom0 run-parts[15194]: (/etc/cron.hourly) starting 0anacron
Nov 17 19:01:01 dom0 CROND[15191]: (root) CMD (run-parts /etc/cron.hourly)
Nov 17 19:00:02 dom0 kernel: audit: type=1111 audit(1637211602.499:317): pid=15184 uid=0 auid=4294967295 ses=4294967>
Nov 17 19:00:02 dom0 audit[15184]: USYS_CONFIG pid=15184 uid=0 auid=4294967295 ses=4294967295 msg='op=change-system->
Nov 17 19:00:01 dom0 CROND[15180]: (root) CMD (/usr/bin/qvm-sync-clock > /dev/null 2>&1 || true)
Nov 17 18:26:39 dom0 qrexec-policy-daemon[5479]: qrexec: qubes.NotifyUpdates+: youtube-dl -> @adminvm: allowed to do>
Nov 17 18:25:56 dom0 qrexec-policy-daemon[5479]: qrexec: qubes.NotifyUpdates+: mboxorg3 -> @adminvm: allowed to dom0
Nov 17 18:25:05 dom0 systemd-homed[3738]: block device /sys/devices/virtual/block/dm-87 has been removed.
Nov 17 18:25:05 dom0 systemd-homed[3738]: block device /sys/devices/virtual/block/dm-87 has been removed.
Nov 17 18:25:04 dom0 lvm[2053]: Monitoring thin pool qubes_dom0-vm--pool-tpool.
Nov 17 18:25:03 dom0 lvm[2053]: No longer monitoring thin pool qubes_dom0-vm--pool-tpool.
Nov 17 18:25:02 dom0 systemd-homed[3738]: block device /sys/devices/virtual/block/dm-192 has been removed.
Nov 17 18:25:02 dom0 systemd-homed[3738]: block device /sys/devices/virtual/block/dm-192 has been removed.
Nov 17 18:25:02 dom0 systemd-homed[3738]: block device /sys/devices/virtual/block/dm-196 has been removed.
Nov 17 18:25:02 dom0 systemd-homed[3738]: block device /sys/devices/virtual/block/dm-196 has been removed.
Nov 17 18:25:02 dom0 lvm[2053]: Monitoring thin pool qubes_dom0-vm--pool-tpool.
Nov 17 18:24:59 dom0 lvm[2053]: No longer monitoring thin pool qubes_dom0-vm--pool-tpool.
Nov 17 18:24:59 dom0 root[14675]: /etc/xen/scripts/block: remove XENBUS_PATH=backend/vbd/11/51760
Nov 17 18:24:59 dom0 root[14655]: /etc/xen/scripts/block: remove XENBUS_PATH=backend/vbd/11/51728
Nov 17 18:24:59 dom0 root[14654]: /etc/xen/scripts/block: remove XENBUS_PATH=backend/vbd/11/51744
Nov 17 18:24:59 dom0 root[14640]: /etc/xen/scripts/block: remove XENBUS_PATH=backend/vbd/11/51712
Nov 17 18:24:57 dom0 qrexec-policy-daemon[14553]: 2021-11-17 18:24:57.499 qrexec-client[14553]: process_io.c:187:pro>
Nov 17 18:24:19 dom0 qrexec-policy-daemon[5479]: qrexec: qubes.NotifyUpdates+: disp2876 -> @adminvm: allowed to dom0
Nov 17 18:24:10 dom0 qrexec-policy-daemon[5479]: qrexec: qubes.NotifyUpdates+: disp9533 -> @adminvm: allowed to dom0