Comment 25 for bug 1897185

Another wrinkle since this week's kernel update in 20.04.1 (from 5.4.0.54.57 to 5.4.0.56.59: on every second or third startup in the UltraDock and with the external HDMI display as primary (which is where this suspend on login password problem occurs), the system now goes into never-never land instead of suspending. The external display stays active (doesn't go into power standby) but remains black; if I open the lid of the docked laptop it also usually remains black; the soft reboot (Alt+Prtscrn followed by REISUB) does nothing; so the only option is a hard power down.

Wait 10-15 seconds and restart, and it's back to the usual suspend on entry of the login password.

Please fix.... again, this bug affects every Ubuntu system here. All 20.04 and ThinkPads from T440 through T480 series; so older to practically new.

Thanks.