Bug ID 15650361
After running Pc-Check, if you attempt to install or boot an operating system, the install or boot might hang at the GRUB menu.
Affected hardware and software:
Sun Fire X4170 M2 Server
Sun Fire X4270 M2 Server
Releases 1.0 through 1.10.1
Workaround:
Reboot the system with Pc-Check disabled before trying to install or boot an operating system.