spawn qemu-system-x86_64 -no-kvm -display sdl -cpu core2duo -serial mon:stdio -m 512 -cdrom var/run/demo.iso -cdrom var/run/demo.iso -cdrom var/run/demo.iso
qemu-system-x86_64: -display sdl: SDL support is disabled
Aborting, received EOF
Log step failed, retry.
Boot process failed 3 times in series. I give up!
make: *** [run/demo] Error 255

I have tried to comment -display sdl in build.conf but i didn't get any output.

Please provide solution.

--