SquashFS errors during boot lead to false-positives on graphics card error reports

The following happened to me yesterday:

I installed a USB stick using Tails Installer from Tails 3.9.
Starting it on my computer leads to GDM error message (Error starting GDM) while my graphics card works fine with Tails.
Having a closer look, I have tons of squashfs errors on boot.

I’m aware of #5856 which has been focused on errors while Tor is working (and detecting them from inside Tails). While I’d like to scope this ticket to preventing false-positives on graphics card error reports, while might lead to wrong information on /support/known_issues/graphics and be a problem for the project.

Related issues

Related to #5856
Related to #14544
Related to #6766
Has duplicate #12445 (closed)

Original created by @sajolida on 16030 (Redmine)

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