vnc: 0.764 other: 0.714 graphic: 0.705 device: 0.631 mistranslation: 0.596 semantic: 0.458 instruction: 0.452 network: 0.426 socket: 0.256 boot: 0.122 assembly: 0.042 KVM: 0.023 qemu-system-avr error: qemu-system-avr: execution left flash memory I compiled QEMU 5.1 from source with target avr-softmmu. Running demo.elf from https://github.com/seharris/qemu-avr-tests/blob/master/free-rtos/Demo/AVR_ATMega2560_GCC/demo.elf (linked from https://www.qemu.org/docs/master/system/target-avr.html) yields the following error: $ ./qemu-5.1.0/avr-softmmu/qemu-system-avr -machine mega2560 -bios demo.elf VNC server running on 127.0.0.1:5900 qemu-system-avr: execution left flash memory Aborted (core dumped) I compiled QEMU on Ubuntu Server 20.10 with gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0 The error is not related to demo.elf. Running qemu-system-avr without a program (no "-bios program.elf" option) also yields the same error: $ ./qemu-5.1.0/avr-softmmu/qemu-system-avr -machine mega2560 VNC server running on 127.0.0.1:5900 qemu-system-avr: execution left flash memory Aborted (core dumped) I can not reproduce. [Expired for QEMU because there has been no activity for 60 days.]