graphic: 0.984 performance: 0.925 device: 0.813 user-level: 0.731 network: 0.493 permissions: 0.471 vnc: 0.461 register: 0.428 debug: 0.418 mistranslation: 0.373 PID: 0.338 semantic: 0.337 virtual: 0.307 ppc: 0.276 risc-v: 0.275 boot: 0.264 VMM: 0.250 arm: 0.247 socket: 0.216 i386: 0.200 x86: 0.176 TCG: 0.156 architecture: 0.133 hypervisor: 0.100 files: 0.093 peripherals: 0.087 kernel: 0.073 KVM: 0.041 assembly: 0.007 SDL UI switching to monitor half-broken and scrolling broken ctrl+alt+2 must be pressed 2 or more times for the monitor console window to appear with -sdl, the window flashes and disappears also before finally staying open backspace does not always work in -sdl also, and switching back and forth very quickly from the vga to the monitor windows, it hangs you need to do a proper code review of all the user interfaces. This is described a bit more here: https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg00946.html But basically it's a libsdl bug: https://bugzilla.libsdl.org/show_bug.cgi?id=3287 i see, but there are still problems with the user interfaces. did you use SDL1.2 or SDL2 here? [Expired for QEMU because there has been no activity for 60 days.]