Thanks for the bug report. Next time the problem happens please reboot and then run:
journalctl -b-1 > prevboot.txt and attach the resulting text file here. Although I notice the attached logs already show your SSD is experiencing hardware errors. You might need to replace the SSD: [ 1633.238345] pcieport 10000:e0:06.0: AER: Corrected error received: 10000:e1:00.0 [ 1633.238381] nvme 10000:e1:00.0: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID) [ 1633.238384] nvme 10000:e1:00.0: device [15b7:5006] error status/mask=00000001/0000e000 [ 1633.238387] nvme 10000:e1:00.0: [ 0] RxErr (First) ** Summary changed: - Xorg freeze + System freeze ** Package changed: xorg (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1927019 Title: System freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927019/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp