The current devd config that symlinks mspfet is broken: Output from `devd -d`: Processing attach event Testing device-name=umodem0 against ^ed50$, invert=0 Testing device-name=umodem0 against ^ubt[0-9]+$, invert=0 Testing device-name=umodem0 against ^ukbd0$, invert=0 Testing device-name=umodem0 against ^umodem[0-9]+$, invert=0 Testing vendor=0x2047 against ^0x2047$, invert=0 Testing product=0x0013 against ^0x001(0|3|4)$, invert=0 Testing interface=0 against ^0$, invert=0 Executing 'cd /dev; p=$'0x0013'; dn=$'umodem0'; un=$(sysctl -n dev.umodem.${dn#umodem}.ttynam e); chmod 666 cua$''; ln -sf cua$'' mspfet${p#0x}' chmod: cua: No such file or directory I'm currently investigating a fix.