During the reboot following stmsboot enable (-e), disable (-d), or update (-u) operations if the system fails to boot but lets you enter single user mode, perform the following to recover.
Type the root password and enter single user mode.
Restart the mpxio-upgrade service.
# svcadm restart svc:/system/device/mpxio-upgrade:default
If this command is not successful, follow the instructions in the next section to recover your original configuration.
Prior to the Solaris 10 Update 4 OS, this service was known as svc:/platform/sun4u/mpxio-upgrade:default.