If booting an older kernel version does not fix the problem then next please attach photos of the problem.
Although I suspect this is a kernel regression in 5.8.0-50 because I've seen a couple of other similar reports today. Plus your kernel log is showing some graphics errors: [ 12.084441] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:0:00000000 [ 12.084691] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 [ 12.186937] i915 0000:00:02.0: [drm] gnome-shell[838] context reset due to GPU hang [ 14.901681] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:ccddeeff, in gnome-shell [838] [ 14.901755] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 ... [ 30.006257] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:ccddeeff, in gnome-shell [1452] [ 30.006329] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 [ 30.108370] i915 0000:00:02.0: [drm] gnome-shell[1452] context reset due to GPU hang [ 47.677368] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:3f5a7c3e, in glmark2 [1836] [ 47.677437] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 [ 47.779415] i915 0000:00:02.0: [drm] glmark2[1836] context reset due to GPU hang [ 76.803381] i915 0000:00:02.0: [drm] GPU HANG: ecode 7:1:c07fffff, in glmark2 [1836] [ 76.803441] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 [ 76.905854] i915 0000:00:02.0: [drm] glmark2[1836] context reset due to GPU hang -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1924882 Title: Random freezing of the computer during testing. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1924882/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
