why OSX keeps rebooting itself without warning and in the middle of any type of work?

Question

alexcgrade Author

Level 1

4 points

why OSX keeps rebooting itself without warning and in the middle of any type of work?

I'm on a Mac Pro 3.1 - 8 core dated 2008

OSX is starting to behave as if it was a microsoft OS. It keeps rebooting automatically ruining any type of work

I've reinstalled the OSX

I've tried OSX Leopard, Snow Leopard, Mountain Lion, Mavericks, El Capitan wasting hours and hours

I've made cmd+R to verify and repaired permissions already for several times

The system is no longer stable since last July.

keeps rebooting at its own wish

I've done the basic and also the throughout system diagnostic with the original installation OSX cd disk and it says that is no hardware problem in the Mac

A bug must be in OSX or is there something specific that you can please give us all a clue to resolve this.

As it appears that this is happening across several types of different Macs, like mac book pros, mac pros and so on as it can be verified in these apple forums.

Your help is appreciated

Mac Pro, OS X Mountain Lion (10.8.5), null

Posted on May 4, 2016 3:23 PM

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Answer 1

Jan 30, 2017 1:18 PM in response to alexcgrade

Console logs are really helpful when you are working with Apple Engineering on a particular problem. At other times, they can be impenetrable. Like the one you just posted.

do you have any kernel panic logs?

If a kernel panic occurs, information is added to a log file in the folder /Library/Logs/DiagnosticReports

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Answer 2

alexcgrade Author

Level 1

4 points

Jan 30, 2017 1:06 PM in response to dot.com

her is the log, for me it seems encrypted code that only angels understand!

Can you please help?

<?xml version="1.0" encoding="utf-8"?>

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<Data size="0">6eada1bec35a49b82f627f11a53cc1554b2e6578b269569975b0198c1a16396144e224 231dd3c0d03c9827085bb364f2b8e4a023ae4234be58d6b7fceec7368e43d7c43e134cdb5d3d8350 16cf4eadde20bcb43d87b91312eda55b5ba0dad1356ef1667e2b697f0ba2fa72a4d5e2c64d692cc1 c14526cd9ae19a2d5894743b667ca364a4335a348baada36afcb50b25801cfcc78dace9bc1b8ae56 8e7e95a8f798ad50b48f87cd1b248255b8379b097e194a86e0f79ab0a78037797846933c2a</Data >

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<Data size="0">a4f500872c713e7a19cbe6a030c8aa34931e2e92d54a06b5db7c9ecf51fccaa6</Data >

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<Key privateKey="10:13:24">2eeb6e056d9f838b59aff0dd946857f69c0fcd0781c95e3a9698f969b aabb72d3a1a212983f2718365a4ae350000000094a37177362a894e86e4d1ccff6d0ddc6ae30d5b3 ae3d0bcede4b36d00000000</Key>

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Answer 3

alexcgrade Author

Level 1

4 points

Jan 30, 2017 1:39 PM in response to alexcgrade

here are they:

i had to put them on dropbox, because this page does not allow me to paste its content here.

please check these logs and then let me know what your think

https://www.dropbox.com/sh/wv56eqpkdx4vh5u/AAB7lsaN4rbJK0110eyK1oJ2a?dl=0

Reply

Answer 4

alexcgrade Author

Level 1

4 points

Jan 30, 2017 1:41 PM in response to Grant Bennet-Alder

here are they:

i had to put them on dropbox, because this page does not allow me to paste its content here.

please check these logs and then let me know what your think

https://www.dropbox.com/sh/wv56eqpkdx4vh5u/AAB7lsaN4rbJK0110eyK1oJ2a?dl=0

Reply

Answer 5

Jan 31, 2017 2:08 PM in response to alexcgrade

Those are not regular Kernel panics, they are hangs. They are not caused by RAM errors (Mac Pro with Xeon Processor has memory error correction).

Those are not typical of graphics processor hangs. With those, window server is the task that get hung up and unresponsive.

I would say you could have some unresponsive Hardware (such as your sound or tablet add-ons, or possibly a disk drive that it failing.

You have a few non-Apple kernel extensions:

com.digidesign.iokit.DigiDal (10.3.6f14)

tc.tctechnologies.driver.MidasFW (3.5.6 11675)

com.paceap.kext.pacesupport.snowleopard (5.9.1)

or possibly one or more of those drivers could be out-of-date.

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Answer 6

alexcgrade Author

Level 1

4 points

Jan 31, 2017 2:15 PM in response to Grant Bennet-Alder

Good evening,

Those drivers are from my audi interfaces, yet I'll check that, meanwhile:

Today I've reformatted my drive and reinstalled the OSX 10.8.5 Mountain Lion, then I've updated it to the latest available apple software in the app store.

Then I´ve verified disk permissions which gave me a huge wrongly errors list.

I've clicked repair permissions yet after when verified disk permissions again, the immense errors list persist.

I've shutdown, restart holding "D" key and in the apple hardware test the Mac Pro informs no error on the primary test.

However in the throughout test it shows a black screen then restarts automatically in about 30% of the test.

Can you please let me know if there is some information about this that can help me to resolve this problem?

Thank you for your attention.

Looking forward to your opinion on this.

best regards,

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Answer 7

Jan 31, 2017 2:38 PM in response to alexcgrade

Repair permissions does far less than anyone expected, and in later MacOS, they finally tracked down why this happens and eliminated the problem and the ability to repair permissions. The only permissions repair problems you need to worry about are the ones that appear in RED.

On your "stops in the middle and the screen goes dark" problem. Your Mac is NOT shutting down, it is hanging somewhere, and the system is brought not quite to a halt, but the screen and everything else stops updating properly because of the hang. That is why you have no Kernel Panic reports.

Do you have a free drive (internal or external)? Consider installing or cloning Mac OS onto a different drive, and removing your current boot drive.

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Answer 8

alexcgrade Author

Level 1

4 points

Jan 31, 2017 2:46 PM in response to Grant Bennet-Alder

this occurred with both my two different 500GB apple 7200rpm drives. I've tried this it.

So I'll put a new external drive then I'll test it and then I'll get back to you on this.

thank you very much once again.

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Answer 9

alexcgrade Author

Level 1

4 points

Jan 31, 2017 3:14 PM in response to alexcgrade

what about:

Another strange thing is that after shutdown the front white led does not ever unlighted itself.

it only goes off when the power cable on the back is disconected, is there any info about this?

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Answer 10

Feb 1, 2017 6:01 PM in response to alexcgrade

That means it is not shutting down, it is just hanging. Which explains why no panic reports -- it's not panicking, it just gets stuck on something. Probably a Hardware something.

Another experiment (if you can) would be to remove your Hardware add-ons, one at a time, and see if the hanging behavior changes.

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Answer 11

Feb 3, 2017 2:56 PM in response to alexcgrade

Remove all your added audio cards and peripherals and just do email and web surfing for a while. If no issues, you can try adding back one item at a time and see if you can determine which one is causing you problems.

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Answer 12

Feb 3, 2017 3:41 PM in response to alexcgrade

The only other frequent failure is overheating parts. Your failure does not seem typical of that, but you may want to run a temperature monitor program and see if components are getting crazy hot inside.

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Answer 13

lllaass

Level 10

210,411 points

May 4, 2016 3:43 PM in response to alexcgrade

• Note the time of the next unintended reboot. After rebooting open the Console app in Finder>Applications>Utilities and look for log entries at the time of the reboot. Post suspicious ones here.

Look before the log entry that starts with BOOT_TIME since that is the first line of a bootup

It still could be a hardware problem. Apple harsware test only reports no errors found. That does not mean that there are no hardware problems.

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Answer 14

alexcgrade Author

Level 1

4 points

May 4, 2016 3:49 PM in response to lllaass

i have changed the hard drive

i have changed the ram

i have cleaned the entire machine

seems a OSX bug as its happening to many users with many types of macs

i'll post the log asap

thanks

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Answer 15

May 4, 2016 7:45 PM in response to alexcgrade

do you have any kernel panic logs?

If a kernel panic occurs, information is added to a log file in the folder /Library/Logs/DiagnosticReports

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