Fan runs during sleep mode?

[DubLogic19]

I've noticed that when my Mac was in sleep mode when I first woke up today (sleeps all night) that the fan was running some, keyword some. I read up on threads where the fan was constantly running during sleep but this is not my case. It would run for a 10-15 second interval in which the LED light that indicates the computer is sleeping would stay at the brightest setting. When the fan stopped the light would continue its phase of bright to dim. Any ideas as to why this could be happening?

 

[GGJstudios]

I've noticed that when my Mac was in sleep mode when I first woke up today (sleeps all night) that the fan was running some, keyword some. I read up on threads where the fan was constantly running during sleep but this is not my case. It would run for a 10-15 second interval in which the LED light that indicates the computer is sleeping would stay at the brightest setting. When the fan stopped the light would continue its phase of bright to dim. Any ideas as to why this could be happening?

It appears it may be waking briefly.

For sleep issues, you may find some useful ideas here:

• Mountain Lion: About Power Nap
• Determine why your Mac wakes up from sleep
• OS X Mountain Lion: If your Mac won’t go to or stay in sleep
• Mac OS X: Why your Mac might not sleep or stay in sleep mode
• One sleep problem caused by printers - solved ... and another
• If your Mac isn't sleeping properly and you have gfxCardStatus installed, try uninstalling it.

 

[DubLogic19]

Using Terminal to see why it was waking up it seems to have woken up all throughout the night due to 'RTC' or real time clock, but I don't have any schedules starts or sleeps set up..hm.

 

[Interstella5555]

Sleep apnea?

 

[DubLogic19]

Sleep apnea?

I suppose, got any suggestions on what could be causing it?

 

[DubLogic19]

Last login: Sat Mar 23 00:56:27 on console
Zachary-Carraways-MacBook-Pro:~ zacharycarraway$ syslog |grep -i "Wake reason"
Sat Mar 23 20:29:01 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Sun Mar 24 00:18:34 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Sun Mar 24 01:16:23 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Sun Mar 24 05:12:23 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Sun Mar 24 21:25:40 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Mon Mar 25 00:51:02 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Mon Mar 25 03:46:47 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Mon Mar 25 06:07:54 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Mon Mar 25 07:47:19 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Mon Mar 25 08:05:45 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Mon Mar 25 08:06:16 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Mon Mar 25 15:08:57 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Mon Mar 25 19:23:21 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Mon Mar 25 22:08:47 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Tue Mar 26 01:54:30 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Tue Mar 26 07:38:52 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Tue Mar 26 09:32:39 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Tue Mar 26 09:54:40 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Tue Mar 26 12:52:08 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Wed Mar 27 01:42:57 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Wed Mar 27 13:04:59 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Thu Mar 28 05:24:55 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Thu Mar 28 10:30:05 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Thu Mar 28 14:13:03 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Thu Mar 28 17:46:57 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen RTC
Thu Mar 28 19:52:09 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Thu Mar 28 22:05:16 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Thu Mar 28 22:05:39 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 00:05:56 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 00:06:18 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 02:06:31 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 02:06:53 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 04:07:06 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 04:07:28 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 06:07:41 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 06:08:03 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 08:08:16 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 08:08:38 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 10:08:51 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 10:09:13 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 12:09:26 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 12:09:48 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = RTC
Fri Mar 29 12:17:19 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EC.LidOpen
Fri Mar 29 12:40:30 Zachary-Carraways-MacBook-Pro kernel[0] <Debug>: Wake reason = EHC2
Zachary-Carraways-MacBook-Pro:~ zacharycarraway$

Not sure if it will help but that is my terminal log.

 

[cubeeggs]

I’m currently experiencing a sleep problem with my Mid 2012 13" MacBook Pro. For the past day or two, when I close my MacBook’s lid, the fan will keep running, and the computer won’t actually finish going to sleep, and it gets very warm if I put it in my backpack. The Console logs suggest that the safe sleep image isn’t being written properly, because I keep getting ludicrous entries like this:

4/18/13 1:38:57.000 PM kernel[0]: PMStats: Hibernate write took 4191332 ms

(1:38 is when I woke it up)

I can mitigate the problem by running “sudo pmset -a hibernatemode 0” to disable safe sleep, but I’d like to resolve this problem so my MacBook can hibernate properly. I feel like it’s probably a software problem, but I’m not certain. I’ve tried resetting the SMC and PRAM, but I haven’t yet tried booting into Safe Mode or from an external hard drive. I think I’m going to try running Disk Utility and verifying/repairing the disk, and running Onyx and clearing out the system caches. Has anyone else experience this problem?

If anyone knows how to interpret the log, here’s the surrounding context:

4/18/13 12:28:56.972 PM WindowServer[749]: Created shield window 0x288 for display 0x042732c0
4/18/13 12:28:56.972 PM WindowServer[749]: device_generate_desktop_screenshot: authw 0x7fe94121e230(2000), shield 0x7fe94121dec0(2001)
4/18/13 12:28:57.020 PM com.apple.time[11]: Next maintenance wake [Backup Interval]: <date: 0x7f984ac0a570> Thu Apr 18 13:19:38 2013 EDT (approx)
4/18/13 12:28:57.020 PM com.apple.time[11]: Requesting maintenance wake [Backup Interval]: <date: 0x7f984ac0a570> Thu Apr 18 13:19:38 2013 EDT (approx)
4/18/13 12:28:57.032 PM WindowServer[749]: device_generate_lock_screen_screenshot: authw 0x7fe94121e230(2000), shield 0x7fe94121dec0(2001)
4/18/13 12:28:57.000 PM kernel[0]: hibernate image path: /var/vm/sleepimage
4/18/13 12:28:57.000 PM kernel[0]: AirPort_Brcm43xx:owerChange: System Sleep
4/18/13 12:28:57.000 PM kernel[0]: hibernate_alloc_pages act 865191, inact 711136, anon 584719, throt 0, spec 124476, wire 357360, wireinit 123109
4/18/13 12:28:57.000 PM kernel[0]: hibernate_setup(0) took 0 ms
4/18/13 12:28:57.000 PM kernel[0]: sizeof(IOHibernateImageHeader) == 512
4/18/13 12:28:58.000 PM kernel[0]: kern_open_file_for_direct_io(0) took 1757 ms
4/18/13 12:28:58.000 PM kernel[0]: Opened file /var/vm/sleepimage, size 8589934592, partition base 0x0, maxio 400000 ssd 0
4/18/13 12:28:58.000 PM kernel[0]: hibernate image major 1, minor 0, blocksize 512, pollers 5
4/18/13 12:29:00.659 PM WindowServer[749]: CGXDisableUpdate: UI updates were forcibly disabled by application "Messages" for over 1.00 seconds. Server has re-enabled them.
4/18/13 12:29:04.000 PM kernel[0]: en1: BSSID changed to 00:25:c4:1a:42:f8
4/18/13 12:29:04.000 PM kernel[0]: wlEvent: en1 en1 Link DOWN virtIf = 0
4/18/13 12:29:04.000 PM kernel[0]: AirPort: Link Down on en1. Reason 8 (Disassociated because station leaving).
4/18/13 12:29:04.000 PM kernel[0]: en1::IO80211Interface:ostMessage bssid changed
4/18/13 12:29:04.000 PM kernel[0]: hibernate_page_list_setall(preflight 0) start 0xffffff80de063000, 0xffffff80de0a3000
4/18/13 1:38:57.000 PM kernel[0]: hibernate_page_list_setall time: 409 ms
4/18/13 1:38:57.000 PM kernel[0]: pages 2037587, wire 324412, act 613821, inact 150, cleaned 0 spec 0, zf 458822, throt 0, could discard act 257394 inact 194117 purgeable 34293 spec 124610 cleaned 29968
4/18/13 1:38:57.000 PM kernel[0]: hibernate_page_list_setall found pageCount 1397205
4/18/13 1:38:57.000 PM kernel[0]: IOHibernatePollerOpen, ml_get_interrupts_enabled 0
4/18/13 1:38:57.000 PM kernel[0]: IOHibernatePollerOpen(0)
4/18/13 1:38:57.000 PM kernel[0]: encryptStart 137d0
4/18/13 1:38:57.000 PM kernel[0]: bitmap_size 0x3f4e0, previewSize 0x556aa8, writing 1395493 pages @ 0x5a9758
4/18/13 1:38:57.000 PM kernel[0]: encryptEnd 115b6600
4/18/13 1:38:57.000 PM kernel[0]: image1Size 0x1b2d2600, encryptStart1 0x137d0, End1 0x115b6600
4/18/13 1:38:57.000 PM kernel[0]: encryptStart 1b2d2600
4/18/13 1:38:57.000 PM kernel[0]: IOPolledInterface::checkForWork[5] 0xe00002eb
4/18/13 1:38:57.000 PM kernel[0]: PMStats: Hibernate write took 4191332 ms
4/18/13 1:38:57.000 PM kernel[0]: all time: 4191332 ms, comp bytes: 4085710848 time: 7285 ms 534 Mb/s, crypt bytes: 1615267888 time: 5354 ms 287 Mb/s,
4/18/13 1:38:57.000 PM kernel[0]: image 0 (0%), uncompressed 4085706752 (997487), compressed 1767122160 (43%), sum1 79c614fb, sum2 12811dda
4/18/13 1:38:57.000 PM kernel[0]: wired_pages_encrypted 223416, wired_pages_clear 99427, dirty_pages_encrypted 674648
4/18/13 1:38:57.000 PM kernel[0]: hibernate_write_image done(e00002eb)
4/18/13 1:38:57.000 PM kernel[0]: sleep
4/18/13 1:38:57.163 PM WindowServer[749]: disable_update_likely_unbalanced: UI updates still disabled by application "Messages" after 4197.50 seconds (server forcibly re-enabled them after 1.00 seconds). Likely an unbalanced disableUpdate call.
4/18/13 1:39:02.006 PM configd[15]: _bsd_80211_event_callback: (-1) couldn't send event (POWER_CHANGED)
4/18/13 1:39:02.341 PM WindowServer[749]: Created shield window 0x289 for display 0x003f003e
4/18/13 1:39:02.341 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fe94121e230(2000), shield 0x7fe94121dec0(2001), lock state 3
4/18/13 1:39:02.342 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: err 0x0
4/18/13 1:39:02.344 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fe94121e230(2002), shield 0x7fe94121dec0(2001), lock state 3
4/18/13 1:39:02.344 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: err 0x0
4/18/13 1:39:02.346 PM WindowServer[749]: Created shield window 0x28a for display 0x003f003d
4/18/13 1:39:02.346 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fe94121e230(2002), shield 0x7fe94121dec0(2001), lock state 3
4/18/13 1:39:02.346 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: err 0x0
4/18/13 1:39:02.347 PM WindowServer[749]: Created shield window 0x28b for display 0x003f003f
4/18/13 1:39:02.347 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fe94121e230(2002), shield 0x7fe94121dec0(2001), lock state 3
4/18/13 1:39:02.348 PM WindowServer[749]: handle_will_sleep_auth_and_shield_windows: err 0x0
4/18/13 1:39:02.392 PM WindowServer[749]: reenable_update_for_connection: UI updates were finally reenabled by application "Messages" after 4198.02 seconds (server forcibly re-enabled them after 1.00 seconds)
4/18/13 1:39:02.000 PM kernel[0]: Wake reason: EC.LidOpen PWRB EHC1 (User)
4/18/13 1:39:02.000 PM kernel[0]: AirPort_Brcm43xx:owerChange: System Wake - Full Wake/ Dark Wake / Maintenance wake
4/18/13 1:39:02.000 PM kernel[0]: Previous Sleep Cause: 5
4/18/13 1:39:02.000 PM kernel[0]: The USB device HubDevice (Port 1 of Hub at 0x1d000000) may have caused a wake by issuing a remote wakeup (2)
4/18/13 1:39:02.000 PM kernel[0]: en1: 802.11d country code set to 'X0'.
4/18/13 1:39:02.000 PM kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165
4/18/13 1:39:02.000 PM kernel[0]: The USB device HubDevice (Port 8 of Hub at 0x1d100000) may have caused a wake by issuing a remote wakeup (3)
4/18/13 1:39:02.000 PM kernel[0]: TBT W (1): 0 [x]
4/18/13 1:39:02.000 PM kernel[0]: The USB device Apple Internal Keyboard / Trackpad (Port 3 of Hub at 0x1d180000) may have caused a wake by issuing a remote wakeup (3)
4/18/13 1:39:05.000 PM kernel[0]: CODE SIGNING: cs_invalid_page(0x1000): p=1859[GoogleSoftwareUp] clearing CS_VALID
4/18/13 1:39:07.248 PM configd[15]: network changed: v4(en1-:216.106.155.36) DNS- Proxy- SMB
4/18/13 1:39:08.000 PM kernel[0]: en1: 802.11d country code set to 'US'.
4/18/13 1:39:08.000 PM kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140 149 153 157 161 165
4/18/13 1:39:10.445 PM loginwindow[748]: resume called when there was already a timer
4/18/13 1:39:11.349 PM _softwareupdate[1883]: audit warning: closefile /var/audit/20130418162458.20130418173911
4/18/13 1:39:11.352 PM _softwareupdate[1885]: audit warning: allsoft
4/18/13 1:39:11.351 PM _softwareupdate[1884]: audit warning: soft /var/audit