Comment 2 for bug 1862559

I can not reproduce this issue with 5.3.0-29.31 kernel

$ uname -a;w;sleep 1800;uname -a;w
Linux helo 5.3.0-29-generic #31-Ubuntu SMP Fri Jan 17 17:30:16 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux
 10:22:36 up 45 min, 1 user, load average: 0.04, 0.01, 0.00
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
ubuntu ttyAMA0 - 10:21 2.00s 0.19s 0.08s w
Linux helo 5.3.0-29-generic #31-Ubuntu SMP Fri Jan 17 17:30:16 UTC 2020 aarch64 aarch64 aarch64 GNU/Linux
 10:52:36 up 1:15, 1 user, load average: 0.00, 0.00, 0.00
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
ubuntu ttyAMA0 - 10:21 30:02 0.18s 0.07s w