How to sleep MBP?

Does anyone know how to make the MBP sleep? Mine has never slept, it wakes up after some minutes and stays on all the time with the lid closed.
What's the secret?

It sounds like you've got something running that's interfering with correct sleep; open Console, click All Messages top left and see what it shows for the latest entries ?
A correct sleep appears in my Console as:
16/04/08 2:11:28 PM kernel hibernate image path: /var/vm/sleepimage
16/04/08 2:11:28 PM kernel sizeof(IOHibernateImageHeader) == 512
16/04/08 2:11:28 PM kernel Opened file /var/vm/sleepimage, size 2147483648, partition base 0xc805000, maxio 400000
16/04/08 2:11:28 PM kernel hibernate image major 14, minor 2, blocksize 512, pollers 4
16/04/08 2:11:28 PM kernel hibernateallocpages flags 00000000, gobbling 0 pages
16/04/08 2:11:28 PM configd[36] AppleTalk shutdown
16/04/08 2:11:28 PM configd[36] AppleTalk shutdown complete
16/04/08 2:11:30 PM kernel System SafeSleep
16/04/08 2:12:06 PM kernel hibernatepage_listsetall start
16/04/08 2:12:06 PM kernel hibernatepage_listsetall time: 396 ms
16/04/08 2:12:06 PM kernel pages 476351, wire 61517, act 255423, inact 5629, zf 76, throt 0, could discard act 49373 inact 101741 purgeable 2592
16/04/08 2:12:06 PM kernel hibernatepage_listsetall found pageCount 322645
16/04/08 2:12:06 PM kernel IOHibernatePollerOpen, mlget_interruptsenabled 0
16/04/08 2:12:06 PM kernel IOHibernatePollerOpen(0)
16/04/08 2:12:06 PM kernel writing 322138 pages
16/04/08 2:12:06 PM kernel image1Size 121365504
16/04/08 2:12:06 PM kernel all time: 20831 ms, comp time: 6571 ms, deco time: 0 ms,
16/04/08 2:12:06 PM kernel image 771880960, uncompressed 1319477248 (322138), compressed 768356436 (58%), sum1 1ec84ddc, sum2 10ce80ca
16/04/08 2:12:06 PM kernel hibernatewriteimage done(0)
16/04/08 2:12:06 PM kernel sleep

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This is called Clamshell mode, to operate with the lid closed you need:
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Here are the details:
http://support.apple.com/kb/ht3131
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Last edited by kdar (2012-08-08 21:39:54)

tomk wrote:Here's the code: http://git.savannah.gnu.org/cgit/coreut … rc/sleep.c
Looks like the real work is done in gnulib: http://git.savannah.gnu.org/cgit/gnulib … anosleep.c
It looks like a loop that just continuously counts the number of nanoseconds that have passed to see if you've reached the requested time.
Actually keeping track of nanoseconds is handled by timespec. Doesn't look like a lot of code is involved, but I can't follow it. I'd be interested to hear an explanation!

How to sleep MBP?

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