doing a UFS install and not the default HAMMER install. We also recommend installing from the CD ISO
and not the DVD ISO. The DVD ISO HAMMER install has bugs (see [[Known Release Issues|issues24]]).
+**DVD ISO HAMMER install bugs** - You will get a 'guard1x fail @...' loader panic.
+See [[Known Release Issues|issues24]] on how to fix.
+
2.4.0 is a bigger release than normal. The single most invasive change is the introduction of DEVFS.
The /dev filesystem is now mounted by the kernel after it mounts the root filesystem. All major and
minor numbers have changed and the old /dev is no longer meaningful. People who use jails or chroots