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Missing Fonts/Glyphs upon boot.

Posted: 19. Feb 2021, 14:27
by statusquont
Guest: Linux - Debian (64-bit).
Host: Windows 10 Pro

It was working fine for weeks, but today when I boot the guest it start up fine at first and then gets to this login screen with some fonts seemingly missing:
VirtualBoxVM_5pjMuYu9jP.png
VirtualBoxVM_5pjMuYu9jP.png (55.78 KiB) Viewed 640 times
The date/time seems fine for some reason though which seems a bit odd.

I try to type in the username and password to login as normal, but it doesn't work. It tries to login -- the submit button is registered and it behaves as if it's trying to authenticate -- but it just comes back to the same screen. I would assume whatever keyboard characters I'm typing in just aren't getting passed in correctly so the auth fails.

I've tried the steps as mentioned here:
viewtopic.php?f=6&t=101816&p=494406&hilit=debian#p494411
and
viewtopic.php?f=25&t=99390
(sorry can't clickable post URLs yet as per forum rules)

(Mod edit - these links refer to disabling Hyper-V)

And I am now in a state where the turtle virtualization icon is gone from the status bar and in it's place is the usual virtualization icon (V) is in it's place. But that does not seem to have fixed the issues. Still seeing the character placeholder rectangles.


Any advice on next steps to get things back to normal would be appreciated!


One other possibly useful piece of info: Lenovo (X1 Carbon 7th gen) also recently pushed a new BIOS update and I believe the VirtualBox issue started happening after that update. I can't recall precisely if the VM worked normally after that BIOS update or not. But thought perhaps it was worth mentioning.
 Edit:  I have a different Guest OS that is also Linux/Debian 10 that is working just fine: Whonix-Workstation-XFCE 

Re: Missing Fonts/Glyphs upon boot.

Posted: 19. Feb 2021, 19:26
by scottgus1
statusquont wrote:
 Edit:  I have a different Guest OS that is also Linux/Debian 10 that is working just fine: Whonix-Workstation-XFCE 
This seems to indicate the problem is inside the VM's OS, not in Virtualbox itself. It seems from the screenshot that the VM has lost a font or is set to a language that is not showing correctly. Perhaps an update went bad? Try troubleshooting inside the VM's OS as if it were on a real PC instead of Virtualbox.

Re: Missing Fonts/Glyphs upon boot.

Posted: 21. Feb 2021, 12:28
by statusquont
Hmm, ok. That's a good point. Thanks for the feedback!

If you (or anyone) has any pointers on where I might start that investigative process I would certainly welcome them! :)

Re: Missing Fonts/Glyphs upon boot.

Posted: 21. Feb 2021, 13:47
by multiOS