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10.8: A fix for slow shutdown times
Nope, still takes forever for my retina MBP to shut down, even after cycling "reopen windows" on then back off. When "reopen windows" is on, it takes slightly longer to quit apps and get rid of the finder screen and go to the blank grey screen, but then blank grey sits there for 20-30 seconds. With "reopen windows" off, it goes almost instantly to the blank grey screen, then still sits there for 20-30 seconds before powering off.
10.8: A fix for slow shutdown times
If you boot up in verbose mode (hold down "command" and "v" keys at beginning of boot), when you subsequently shut down you might see some messages that help to track down the cause of your slow shutdown. Otherwise I'd have a look in the system logs via the console app to see if there's any hints in there.
10.8: A fix for slow shutdown times
There's nothing in system.log and cmd-v doesn't show anything during shutdown either.
When I select "Shut Down" from the apple menu while holding opt (so no "relaunch?" dialog) at 17:36:36, I get a bunch of messages in system.log about various apps and background processes existing, then:
At 17:36:37 (about 1 second after I told it to shut down), the screen goes grey (finder desktop image disappears). The mouse cursor hangs around for 15-20 seconds (and can still be moved), then it disappears and screen stays grey for another 10-15 seconds. Once screen went black, I rebooted right away and that logged the BOOT_TIME message shortly thereafter. So it's basically taking about 30 seconds or so to shutdown after it's apparently already shut everything down, and presumably that "halt" message means the kernel has already unmounted everything, turned off swap, etc, etc and now it's actually halting.
10.8: A fix for slow shutdown times
Digging around in Console.app, I found com.apple.launchd logs, including launchd-shutdown.system.log which has some interesting lines in it like:
and a bit before that:
I'll dig around there some more and see if I can figure out what exactly it is that's getting stuck for 20 seconds before timing out and allowing shutdown to proceed...
10.8: A fix for slow shutdown times
Some googling of messages in the launchd shutdown log like "Exit timeout elapsed (20 seconds). Killing" led me to this thread which seems to be on point.
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