network: 0.748 performance: 0.734 device: 0.719 files: 0.657 vnc: 0.622 PID: 0.618 socket: 0.582 graphic: 0.568 permissions: 0.542 semantic: 0.451 other: 0.357 boot: 0.336 debug: 0.261 KVM: 0.047 qemu-system-arm freezes when using SystickTimer on netduinoplus2 git commit 27c94566379069fb8930bb1433dcffbf7df3203d The global variable system_clock_scale used in hw/timer/armv7m_systick.c is never set on the netduinoplus2 platform, it stays initialized as zero. Using the timer with the clock source as cpu clock leads to an infinit loop because systick_timer->tick always stays the same. To reproduce use to CMSIS function SysTick_Config(uint32_t ticks) to setup the timer. Patch sent to list: https://