On Aug 4, 2015 2:45 PM, "Oscar Roozen via Syslinux" <syslinux at zytor.com> wrote: > Still miss the printf output, though, so error messages from the shared code don't reach the user. > > I recompiled with this in mk/devel.mk: > GCCWARN += -DDEBUG_PORT=0x2f8 -DCORE_DEBUG=1 0x2f8 is a BIOSism. --Gene