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Same issue with me on the Upgrade path. Clean install Catalina with Parallels Tools, and then upgraded to Big Sur. Ended up in black screen, even...
I've experienced the same thing. Even "Safe Mode" boot of the VM can't get it to start. [ATTACH] Technical report ID: 343273664
I have the same problem. Both Upgrade from Catalina and Fresh Install (from USB thumb drive) didn't work. Technical report ID 343173513