The realmode test is compiled in 16-bit mode, hence it uses a cut-and-pasted version of the mini C library and is still printing to the old debug port at 0xf1. Use the serial port instead. v1->v2: set serial_inited, both in the original and the copied code [Gleb] Paolo Bonzini (3): realmode: restore DF at exit from exec_in_big_real_mode io: only initialize serial port once realmode: print to serial port lib/x86/io.c | 1 + x86/realmode.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 2 files changed, 68 insertions(+), 3 deletions(-) -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html