Hmm. I see this same BadMatch when I start a freshly-compiled 0.61. Configure options don't appear to be a factor. I'm running a custom LFS distro with XFree 4.3.0.1 and SDL 1.2.6. (etc..) For reference, that post was me. I've registered now. Wanted to let you know that I ran an strace of DOSBox 0. …