I experience „commandline“ errors between the start of the notebook and the zorin lock screen, they disappear fast so I made a vid and extracted the lines. Everything seams to run fine after that, but I would like to get rid off these error (?) messages and have a clean boot.
Anybody know why the messages pop up and how to solve the
its a kernel bug, if your system is booting its not causing an issue
If they annoy you enough to get rid of, you can silence them by
2
+100
You can get rid of those ACPI Error messages by
/etc/default/grub in an editor with root access. In your case I believe Ubuntu uses gedit as it's text editor: sudo gedit /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT, add the loglevel=3 part. The original looks like GRUB_CMDLINE_LINUX_DEFAULT='quiet splash'
Change it to this:
GRUB_CMDLINE_LINUX_DEFAULT='quiet splash loglevel=3'
Then save the changes and close it, now open a terminal and run:
sudo update-grub
Reboot and see the results
thank you VERY much @seanhinkley - I read the linked article, didn't understand anything and followed your detailed steps to circumvent the problem (or at least the output of that problem, I suppose).
I now works like a charm without any error line while booting.
Thanks again
Would it also fix some screen flashes during the bootup? Because I see some commandlines, too (disappear in less than a second as xabbu said), but together with some screen flashes, white and black flashes, they hurt my 
and I become 
or 
. By the way, those flashes appear even on logins and poweroffs 
.
Those settings to the grub boot line suppress non critical errors. So it may prevent those screen flashes. Depending on what messages they are
What I can read is No Caching mode page found and Resuming drive cache: write through. But on other bootups I could read some new ones, I have to check those, too.
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