Apple's hardware always seem to take a very long time to reboot after an update, the larger updates can leave them sitting there for quite a few minutes the first time. :(
Long restarts after an update are normal. What you are seeing is OS X's normal uncached startup time. After an update that touches drivers or other low level system files, the bootup process will trash the cache it had and regenerate it with the newer files.
For the battery update, the pause was also likely due to the power management system coming online, seeing the battery with old firmware, and updating it to the 1.2 level.
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mine took about 40 seconds to boot on the restart right after the install, but i booted again later and it was back to my normal 10-15 seconds.
(MBP, 2.16ghz C2D, 1GB, 160GB)
Apple's hardware always seem to take a very long time to reboot after an update, the larger updates can leave them sitting there for quite a few minutes the first time. :(
Long restarts after an update are normal. What you are seeing is OS X's normal uncached startup time. After an update that touches drivers or other low level system files, the bootup process will trash the cache it had and regenerate it with the newer files.
For the battery update, the pause was also likely due to the power management system coming online, seeing the battery with old firmware, and updating it to the 1.2 level.