Public bug reported:
I wake-up my laptop from sleep (opened laptop lid) and I noticed my WiFi
connection was not working and also Bluetooth mouse was not working (in
settings it looked Bluetooth was of).
I tried to turn on Bluetooth but nothing happened. Then suddenly black
screen appeared with some ext4 messages all over the screen. Then I have
hard reset laptop and now it booted normally and works normally.
Now I have executed bellow commands that I have found to collect after
similar "crash" appears:
journalctl -b-1 > freshprevboot.txt
lspci -kv > lspci.txt
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1909736
Title:
Ubuntu 20.04 crashed with ext4 error after waking laptop from sleep
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