I am having, probably since kodi19 update, osmc hard locks related to page allocation failures. They happen even when the system is mostly idle. The system is running kodi, and tvheadend in a docker container, with a dvbsky 960 tuner plugged in to usb, no other devices.
Here is a sample journal
Kodi logs with no debug but kodi was idle since boot in this instance.
The source of the page allocation failures varies, some samples: