FEX-Emu is an x86 and x86-64 userspace emulator built specifically for ARM64 Linux. This means it helps programs designed for Intel or AMD chips run successfully on hardware using ARM chips.

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What happened? Just a minute ago, Qt GRC started (but because of a different UI bug I had to:) then opened gnuradio-companion --gtk, did my work on the FG I had open in QT GRC, closed it. Now, I can't ...