Thanks for the answer. Yesterday I reinstalled the system, but it still
periodically shuts down. I entered your code, errors were detected, but, as I
understood it in the current session.
sergey@pc:~$ journalctl -p 3
-- Logs begin at Пт 2020-06-05 11:18:01 MSK, end at Пт 2020-06-05
11:18:59 MSK. --
июн 05 11:18:05 pc systemd-udevd[553]: failed to execute
'/lib/udev/mtp-probe' 'mtp-probe /sys/devices/pci0000:00/0000:00:
июн 05 11:18:06 pc systemd-udevd[654]: failed to execute
'/lib/udev/mtp-probe' 'mtp-probe /sys/devices/pci0000:00/0000:00:
июн 05 11:18:06 pc kernel: 1-5.1: Missing Free firmware (non-Free firmware
loading is disabled)
июн 05 11:18:06 pc kernel: Bluetooth: Patch file not found /*(DEBLOBBED)*/
июн 05 11:18:06 pc kernel: Bluetooth: Loading patch file failed
июн 05 11:18:12 pc mdadm[891]: DeviceDisappeared event detected on md
device /dev/md/2
июн 05 11:18:12 pc mdadm[891]: DeviceDisappeared event detected on md
device /dev/md1
июн 05 11:18:12 pc ntpdate[924]: name server cannot be used: Temporary
failure in name resolution (-3)
июн 05 11:18:14 pc kernel: 0000:01:00.0: Missing Free firmware (non-Free
firmware loading is disabled)
июн 05 11:18:14 pc NetworkManager[816]: nm_device_get_device_type:
assertion 'NM_IS_DEVICE (self)' failed
июн 05 11:18:14 pc wpa_supplicant[990]: dbus:
wpa_dbus_get_object_properties: failed to get object properties: (none) none
июн 05 11:18:14 pc wpa_supplicant[990]: dbus: Failed to construct signal
