Results:
Ubuntu shuts down, ejects CD tray, closes CD tray, locks CD tray.
System waits for user to press Enter.
System powers off with CD still in drive.
I tested this on two different systems (P4 with SiS chipset and Pentium Dual Core with nVidia chipset).
I encountered exactly this problem with 8.10 (Intrepid) beta desktop CD.
Procedure:
Boot Intrepid beta Ubuntu Desktop CD.
Select Shutdown.
Results:
Ubuntu shuts down, ejects CD tray, closes CD tray, locks CD tray.
System waits for user to press Enter.
System powers off with CD still in drive.
I tested this on two different systems (P4 with SiS chipset and Pentium Dual Core with nVidia chipset).