“At some point, we had this ongoing bug where we used to have the framebuffer console support there, so you could switch to a mode where you could see the log, same as you can on your Linux PC. We had this recurring bug where you’d get a black square in the upper left corner. It was a timer issue. Some race condition96 would cause the cursor to blink when you came back to graphics. So I’d get Steve Horowitz [telling me], ‘That black square. I got a black square!’ “After spending a lot of time trying to fix the problem, I was like, ‘Let’s just turn off the framebuffer console. Why do we need to
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