gary@duzan.org said: > 8147 systat CALL fcntl(0x5,0x4,0x1) > 8147 systat RET fcntl -1 errno 19 Operation not supported by > device This is a F_SETFL. I've fixed this yesterday. Make sure to get a recent lib/libkvm/kvm.c. (still have to investigate why swap behaves differently than mem here...) best regards Matthias