Freeze Intel GPU i915 just in audacity (Ubuntu 20.04).
Kernel: 5.4, 5.7 and 5.8; it's the same behaviour.
Error message (in dmesg): [ 239.065117] i915 0000:00:02.0: [drm] Resetting chip for stopped heartbeat on rcs0 [ 239.167226] i915 0000:00:02.0: [drm] Xorg[1364] context reset due to GPU hang [ 253.747753] i915 0000:00:02.0: [drm] GPU HANG: ecode 4:1:86e0fafe, in Xorg [1364]