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I have a MacBook Pro as my work laptop. When I go home, I close the lid and take the laptop with me. Very often, the next time I open my laptop I find that the OS restarted "because of a problem". This reboot may happen several hours after the lid is closed, as the sound from my laptop back indicates.

What is the best way to understand / debug why this is happening? Can I get some useful information from log files?


The laptop is MacBookPro11,3, with Intel Core i7 processor, and 16 GB of RAM. The programs that are usually running before crash are iTerm, Finder, Microsoft Outlook, and Chrome. I also run a Vagrant VM with a bunch of processes in it for work. My coworkers run exactly the same codebase and none of them is having the same problem.

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    Can you give details on you MacBook, such as the model date and what processor, memory, etc. as well as what apps you use before the crash/going to sleep. – At0mic Nov 14 '15 at 3:16
  • i am having the same issue,i would like to know if this is a fairly recent happening? my issue started 1 1/2 - 2 days ago, perhaps if thats when yours started than it might be connected? but yes and i notice the time also varies, even walking up and down stairs is enough time for when i open it to say it needed to restart "because of a problem". here are some of my stats Model Name: MacBook Pro Model Identifier: MacBookPro11,2 Processor Name: Intel Core i7 Processor Speed: 2.2 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB L3 Cache: 6 MB Memory: 16 GB Boot ROM – user157496 Nov 14 '15 at 23:53
  • My problem has been around since I was given a Mac at work, May 2015. It's definitely been around since I switched to Yousemite. – sakovias Nov 15 '15 at 12:58
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    My issue can be a duplicate of apple.stackexchange.com/questions/169555/… as it mentions problems with VMware Fusion which we use as a hypervisor. I have this feeling because VMvare is listed in the crash report among other things. – sakovias Nov 16 '15 at 12:54
  • I also have this issue on my Mac OSX Yosemite frequently if I don't turn off a VMware Fusion 8.1.0 VM – Ricardo May 12 '16 at 18:19
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In my case the issue was related exactly to VMWare. Before putting my laptop to sleep I suspend the VM and the issue doesn't happen. That's a "pause" button in the VMWare UI.

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Edit:

Looks like VMWare sleep functionality is buggy. I once got my entire VM getting to the point of no return. I simply use vagrant suspend these days before putting my laptop to sleep. No need to bring up VMWare UI.

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