Please attach the full output from dmesg (as a file):
dmesg > dmesg.txt
** Description changed:
- If I close the lid, it seems that the computer flat-out doesn't wake up.
+ If I open the lid, it seems that the computer flat-out doesn't wake up.
HOWEVER, if I wait patiently more than 20 seconds, and press (not hold)
the power button, SOMETIMES, the computer will "snap out of it" and come
back to my desktop. Although RAM is 25% used, and CPU usage is around
25-50% or less (depending on apps), mouse will regularly freeze up for
some seconds every 10 seconds or so. Wifi will claim to be "on", but
there aren't any networks in the "select network" dialogue. Turning wifi
off and then on does not fix this problem. So I'll be in this terrifying
state of non-responsive every few seconds computer, with no ability to
reconnect to networks and report bug.
I force restart. The first restart, upon login, will hang indefinitely
on a purple screen with the cursor in the middle. I will have to force
restart again. Upon 2nd restart, it will boot "normally".
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.27.92-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
Date: Thu Mar 8 12:38:24 2018
InstallationDate: Installed on 2018-03-02 (5 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180228)
PATH=(custom, no user)
UpgradeStatus: No upgrade log present (probably fresh install)
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18.04 3.27 Gnome-shell Near-Fatalities
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