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Running Catalina, with sudo I'm able to get the screen up and running, but at first data I get a panic:

thread 'display_handler' panicked at 'overflow when subtracting durations', src/libcore/option.rs:1185:5 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.

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I'm not surprised about OS X, recent OS versions have been making it more and more different from how the OS previously worked. For example GDB doesn't work anymore, and neither does valgrind.

> neither does valgrind

Woah, that's a huge step backward. How do they expect anyone to write half-decent C for their operating system without valgrind?

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