Create /dev/ipmi0 device manually

[panic83]

linux:
/sbin/modprobe ipmi_msghandler; /sbin/modprobe ipmi_devintf; /sbin/modprobe ipmi_si
lsmod |grep ipmi

cat /proc/devices
mknod /dev/ipmi0 c `cat /proc/devices | grep ipmidev |cut -d " " -f 1` 0

Freebsd:
kldload ipmi