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Linux will have an equialvent of BSoD soon. https://www.phoronix.com/news/Linux-DRM-Panic-QR-Codes
I've had a black screen of death on Mint. All I was trying to do was crop a video on kdenlive. It black screened on me and somehow even messed up the boot menu so that my Mint was showing up as just Ubuntu. I went straight back to Shotcut after that. I really wanted to switch from Windows to Linux, but so far, Linux, or at least Mint, really hates me. Up till recently, I was still using Mint for my music storage, but it has trouble even moving files onto my phone now. I've pretty much given up.
if want to diagnose black screen, can use
sudo journalctl -S "TIME"to see journal since TIME ("X min ago", timestamp, etc.). may have message on error.can try syncthing to move file to/from phone
Journal won't be helpful in case of kernel panics.