This bug continues to recur even after a fresh reinstallation of Ubuntu.
After working through the installation crash (bug 1871268) by using the
latest daily image; trying unsuccessfully to get rid of the still
recurring initramfs errors (bug 1835660); and disabling the splash
screen to avoid the dreaded spinning Ubuntu logo hang during boot (bug
1872159); the system, when docked, still went into suspend immediately
after entering the login password during startup. This occurred on a
T570 with dual boot (Windows 10 and Ubuntu freshly installed from the
latest focal daily-live current image). Downgrading the nVidia driver
also failed: once I did that, the system wouldn't boot at all. It just
stopped at a blinking cursor on an otherwise black screen.

None of these things were issues until the middle of September updates;
and after the big 20.04.1 update about a week ago, things got really
bad.

Be advised that installing from an earlier version (in this case 20.04
images from May and June of this year) also does not work: these
installs fail on the same crash as the current 20.04.1 image (bug
1871268).

This problem of the machine, docked with an external display as primary
(laptop lid down), appears to be a recurrence of previous bugs that were
thought to be fixed. Please address ASAP. Thank you.

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https://bugs.launchpad.net/bugs/1897185

Title:
  login triggers suspend after update

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