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2015 MBP freezes under 10.11.6

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  2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-10-27 13:24 -0400
    Re: 2015 MBP freezes under 10.11.6 Davoud <star@sky.net> - 2016-10-31 16:56 -0400
      Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-10-31 19:51 -0400
    Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-10-31 23:58 +0000
      Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-02 17:22 -0400
        Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-11-03 00:36 +0000
          Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-04 19:03 -0400
            Re: 2015 MBP freezes under 10.11.6 dempson@actrix.gen.nz (David Empson) - 2016-11-05 13:58 +1300
              Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-11-05 01:08 +0000
                Re: 2015 MBP freezes under 10.11.6 dempson@actrix.gen.nz (David Empson) - 2016-11-05 15:16 +1300
                  Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-11-05 04:17 +0000
                    Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-11-05 04:32 +0000
            Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-11-05 01:06 +0000
              Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-05 09:22 -0400
            Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-05 09:09 -0400
              Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-05 09:22 -0400
                Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-05 13:34 -0400
                  Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-11-05 18:35 +0000
                    Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-06 19:10 -0500
                      Re: 2015 MBP freezes under 10.11.6 Jolly Roger <jollyroger@pobox.com> - 2016-11-07 01:50 +0000
    Re: 2015 MBP freezes under 10.11.6 Robert Peirce <bob@peirce-family.com> - 2016-11-11 11:00 -0500
    Mid-2012 freezes under 10.12.1 [was: 2015 MBP freezes under 10.11.6] Robert Peirce <bob@peirce-family.com> - 2016-11-23 12:00 -0500
      Re: Mid-2012 freezes under 10.12.1 [was: 2015 MBP freezes under 10.11.6] Jolly Roger <jollyroger@pobox.com> - 2016-11-23 17:15 +0000
        Re: Mid-2012 freezes under 10.12.1 [was: 2015 MBP freezes under 10.11.6] Robert Peirce <bob@peirce-family.com> - 2016-11-23 13:48 -0500
          Re: Mid-2012 freezes under 10.12.1 [was: 2015 MBP freezes under 10.11.6] Jolly Roger <jollyroger@pobox.com> - 2016-11-23 23:44 +0000
            Re: Mid-2012 freezes under 10.12.1 [was: 2015 MBP freezes under 10.11.6] Robert Peirce <bob@peirce-family.com> - 2016-11-26 16:49 -0500
    Re: 2012 MBP freezes under 10.12.1 Robert Peirce <bob@peirce-family.com> - 2016-12-02 10:51 -0500
      Re: 2012 MBP freezes under 10.12.1 Jolly Roger <jollyroger@pobox.com> - 2016-12-02 17:51 +0000

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#1030 — 2015 MBP freezes under 10.11.6

Apparently this is a widely known problem.  Unfortunately, I didn't know 
about it before buying one for my wife last month.

She has the latest 2015 15" MBP with the SSD drive running 10.11.6.  [I 
have a similar 2012 model that has no problems.]  Google indicates the 
problem cropped up with 10.11.4 and nobody really knows what to do about 
it.  However, I have determined that the problem doesn't exist with Safe 
Boot and I am wondering what a regular boot starts up that Safe Boot 
doesn't.

The problem only shows up on her computer when awakening from sleep. 
With this problem others have encountered the fan running; we only saw 
that once (so far).  Others have had problems relating to specific 
programs but that is not the case here.  Under regular boot we tried 
killing any running programs.  Then we added programs that start on 
login.  Finally we just logged off to be sure whatever was happening was 
at the system level.  In every case it froze on wakening.  The cursor 
arrow would eventually appear but it didn't do anything.

Safe Boot is different.  We have not encountered any problems no matter 
what we have done.  Therefore, we got to wondering what Safe Boot 
DOESN'T start.  Activity Monitor was no help.  There are too many things 
running, even under Safe Boot.  We thought somebody might know what 
doesn't run and that might lead to the source of the problem.

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#1031

Robert Peirce:
> Apparently this is a widely known problem.  Unfortunately, I didn't know 
> about it before buying one for my wife last month.
> 
> She has the latest 2015 15" MBP with the SSD drive running 10.11.6

Any thought of upgrading to the current version of Mac OS? If it
doesn't fix the problem, which it might well do, it probably won't make
it worse.

-- 
I agree with almost everything that you have said and almost everything that
you will say in your entire life.

usenet *at* davidillig dawt cawm

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#1032

On 10/31/16 4:56 PM, Davoud wrote:
> Any thought of upgrading to the current version of Mac OS? If it
> doesn't fix the problem, which it might well do, it probably won't make
> it worse.
>

I am in VA, waiting until I return to PA.  I think it should be okay.  I 
haven't heard of anything terribly disturbing.

I have narrowed the problem down to the display going to sleep. If you 
set the computer up to stay awake when the display sleeps it still 
freezes.  If you never let the display sleep it doesn't.

I was expecting "infant mortality" but the machine passed the Apple 
hardware test, which may not be extensive enough.  Anyhow, I thought I 
would check at the local Apple store on return to see if they know anything.

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#1033

Robert Peirce <bob@peirce-family.com> wrote:
> Apparently this is a widely known problem.  Unfortunately, I didn't know 
> about it before buying one for my wife last month.
> 
> She has the latest 2015 15" MBP with the SSD drive running 10.11.6.  [I 
> have a similar 2012 model that has no problems.]  Google indicates the 
> problem cropped up with 10.11.4 and nobody really knows what to do about 
> it.  However, I have determined that the problem doesn't exist with Safe 
> Boot and I am wondering what a regular boot starts up that Safe Boot 
> doesn't.
> 
> The problem only shows up on her computer when awakening from sleep. 
> With this problem others have encountered the fan running; we only saw 
> that once (so far).  Others have had problems relating to specific 
> programs but that is not the case here.  Under regular boot we tried 
> killing any running programs.  Then we added programs that start on 
> login.  Finally we just logged off to be sure whatever was happening was 
> at the system level.  In every case it froze on wakening.  The cursor 
> arrow would eventually appear but it didn't do anything.
> 
> Safe Boot is different.  We have not encountered any problems no matter 
> what we have done.  Therefore, we got to wondering what Safe Boot 
> DOESN'T start.  Activity Monitor was no help.  There are too many things 
> running, even under Safe Boot.  We thought somebody might know what 
> doesn't run and that might lead to the source of the problem.

Could be a malfunctioning third-party kernel extension. What do you have in
/Library/Extensions?

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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#1038

On 10/31/16 7:58 PM, Jolly Roger wrote:
> Could be a malfunctioning third-party kernel extension. What do you have in
> /Library/Extensions?
>

There are 12 extensions but they all date to 2015 or earlier.  These 
were migrated from the computer we replaced.  That computer and my own 
2012 model worked/works with these extensions.

I'm pretty sure it has something to do with the display sleeping but I 
don't know what.

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#1042

On 2016-11-02, Robert Peirce <bob@peirce-family.com> wrote:
> On 10/31/16 7:58 PM, Jolly Roger wrote:
>> Could be a malfunctioning third-party kernel extension. What do you
>> have in /Library/Extensions?
>
> There are 12 extensions but they all date to 2015 or earlier.

Okay, but I asked for a list of them. Are they a secret for some reason?

> These were migrated from the computer we replaced.

Good to know. It's possible one or more were not migrated completely or
is malfunctioning after being migrated for some reason.

> That computer and my own 2012 model worked/works with these
> extensions.

But that's another computer where they were installed with their native
installer rather than being migrated. 

> I'm pretty sure it has something to do with the display sleeping but I
> don't know what.

Kernel extensions are notorious for misbehaving during sleep/wake
events.  That's why I asked in the first place. ; )

So about that list...

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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#1049

On 11/2/16 8:36 PM, Jolly Roger wrote:
>> I'm pretty sure it has something to do with the display sleeping but I
>> don't know what.
>
> Kernel extensions are notorious for misbehaving during sleep/wake
> events.  That's why I asked in the first place. ; )
>
> So about that list...
>

I misunderstood.  Here's the list, with comparisons:

On problem MBP			On Mini			On my MBP
AC3x.kext			ACS6x.kext		ACS6x.kext
ArcMSR.kext
ATTOCelerityFC8.kext
ATTOExpfessSASHBA2.kext		
ATTOExpressSASRAID2.kext
CalDigitHPProDrv.kext
				DroboTBT.kext		DroboTBT.kext
						EPSONUSBPrintClass.kext
HighPointOP.kext
HighPointRR.kext
hp_io_enabler_compound.kext
PromiseSTEX.kext
SoftRAID.kext
				TCNear.kext		Same
				TrustedDataSCSIDriver.kext	Same

All have the same name, except as noted.  I didn't byte compare these 
but ACS3x.kext, whatever that is, is unique to the problem computer. 
The others have ACS6x.kext.  I have no idea if that matters.

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#1051

Robert Peirce <bob@peirce-family.com> wrote:

> On 11/2/16 8:36 PM, Jolly Roger wrote:
> >> I'm pretty sure it has something to do with the display sleeping but I
> >> don't know what.
> >
> > Kernel extensions are notorious for misbehaving during sleep/wake
> > events.  That's why I asked in the first place. ; )
> >
> > So about that list...
> >
> 
> I misunderstood.  Here's the list, with comparisons:
> 
> On problem MBP                        On Mini                 On my MBP
> AC3x.kext                     ACS6x.kext              ACS6x.kext
> ArcMSR.kext
> ATTOCelerityFC8.kext
> ATTOExpfessSASHBA2.kext               
> ATTOExpressSASRAID2.kext
> CalDigitHPProDrv.kext
>                               DroboTBT.kext           DroboTBT.kext
>                                               EPSONUSBPrintClass.kext
> HighPointOP.kext
> HighPointRR.kext
> hp_io_enabler_compound.kext
> PromiseSTEX.kext
> SoftRAID.kext
>                               TCNear.kext             Same
>                               TrustedDataSCSIDriver.kext      Same
> 
> All have the same name, except as noted.  I didn't byte compare these
> but ACS3x.kext, whatever that is, is unique to the problem computer. 
> The others have ACS6x.kext.  I have no idea if that matters.

I also have an "ACS6x.kext" on two Macs, one running 10.11.6 and the
other running 10.12.1. Get Info says mine is version 3.1.8, dated June
2014, and its copyright message says "Copyright (c) 2004-2014 Accusys,
Inc."

I haven't installed any third party software which might include drivers
on the Mac running 10.11.6, so it looks it is installed by Apple as part
of the standard system.

Confirmed. It is in the installers for macOS Sierra 10.12.1, OS X El
Capitan 10.11.6 and OS X Yosemite 10.10.5. It isn't in the installer for
OS X Mavericks 10.9.5.

I didn't see AC3x.kext in the installer for any of those OS versions.

-- 
David Empson
dempson@actrix.gen.nz

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#1053

On 2016-11-05, David Empson <dempson@actrix.gen.nz> wrote:
>
> I didn't see AC3x.kext in the installer for any of those OS versions.

That was likely a typo (ACS3x.kext).

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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#1054

Jolly Roger <jollyroger@pobox.com> wrote:

> On 2016-11-05, David Empson <dempson@actrix.gen.nz> wrote:
> >
> > I didn't see AC3x.kext in the installer for any of those OS versions.
> 
> That was likely a typo (ACS3x.kext).

I didn't find anything with a similar name in /Library/Extensions in the
installers: nothing else with a name starting with AC apart from
ACS6x.kext in Yosemite and later.

In any case, the absence of ACS6x.kext on the misbehaving MBPro is odd,
because it is part of the OS install.

-- 
David Empson
dempson@actrix.gen.nz

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#1055

On 2016-11-05, David Empson <dempson@actrix.gen.nz> wrote:
> Jolly Roger <jollyroger@pobox.com> wrote:
>
>> On 2016-11-05, David Empson <dempson@actrix.gen.nz> wrote:
>>>
>>> I didn't see AC3x.kext in the installer for any of those OS
>>> versions.
>> 
>> That was likely a typo (ACS3x.kext).
>
> I didn't find anything with a similar name in /Library/Extensions in
> the installers: nothing else with a name starting with AC apart from
> ACS6x.kext in Yosemite and later.

It could be named ACS3x.kext for the 32-bit version and ACS64x.kext for
the 64-bit version.

> In any case, the absence of ACS6x.kext on the misbehaving MBPro is
> odd, because it is part of the OS install.

Considering that this system was migrated from another Mac (unmentioned
in the initial post), it's possible whatever version got migrated is not
compatible with this newer computer. An incompatible kernel extension
could definitely cause sleep/wake malfunctions.

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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#1056

On 2016-11-05, Jolly Roger <jollyroger@pobox.com> wrote:
> On 2016-11-05, David Empson <dempson@actrix.gen.nz> wrote:
>> Jolly Roger <jollyroger@pobox.com> wrote:
>>
>>> On 2016-11-05, David Empson <dempson@actrix.gen.nz> wrote:
>>>>
>>>> I didn't see AC3x.kext in the installer for any of those OS
>>>> versions.
>>> 
>>> That was likely a typo (ACS3x.kext).
>>
>> I didn't find anything with a similar name in /Library/Extensions in
>> the installers: nothing else with a name starting with AC apart from
>> ACS6x.kext in Yosemite and later.
>
> It could be named ACS3x.kext

Oops, brain fart. I meant ACS32x.kext. 

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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#1052

On 2016-11-04, Robert Peirce <bob@peirce-family.com> wrote:
> On 11/2/16 8:36 PM, Jolly Roger wrote:
>>> I'm pretty sure it has something to do with the display sleeping but I
>>> don't know what.
>>
>> Kernel extensions are notorious for misbehaving during sleep/wake
>> events.  That's why I asked in the first place. ; )
>>
>> So about that list...
>>
>
> I misunderstood.  Here's the list, with comparisons:
>
> On problem MBP			On Mini			On my MBP
> AC3x.kext			ACS6x.kext		ACS6x.kext
> ArcMSR.kext
> ATTOCelerityFC8.kext
> ATTOExpfessSASHBA2.kext		
> ATTOExpressSASRAID2.kext
> CalDigitHPProDrv.kext
> 				DroboTBT.kext		DroboTBT.kext
> 						EPSONUSBPrintClass.kext
> HighPointOP.kext
> HighPointRR.kext
> hp_io_enabler_compound.kext
> PromiseSTEX.kext
> SoftRAID.kext
> 				TCNear.kext		Same
> 				TrustedDataSCSIDriver.kext	Same
>
> All have the same name, except as noted.  I didn't byte compare these 
> but ACS3x.kext, whatever that is, is unique to the problem computer. 
> The others have ACS6x.kext.  I have no idea if that matters.

hp_io_enabler_compound.kext seems to be part of HP 8600e printer
software. It's been known to cause issues:

<https://discussions.apple.com/thread/7286706?start=0&tstart=0>

Are you actually using an HP printer with the problem MBP? Was
this migrated over? You may want to try downloading an uninstaller from
HP for that software package to remove all vestiges of it from the
machine in case it's the cause of the problem.

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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#1060

On 11/4/16 9:06 PM, Jolly Roger wrote:
> Are you actually using an HP printer with the problem MBP? Was
> this migrated over? You may want to try downloading an uninstaller from
> HP for that software package to remove all vestiges of it from the
> machine in case it's the cause of the problem.
>

I have an HP Office Jet 6000 wireless printer that all my computers use 
in PA.  In VA I have an USB Epson on my MBP that I share with the other MBP.

However, hp_io_enabler_compound.kext is identical on both machines.

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#1058

On 11/4/16 7:03 PM, Robert Peirce wrote:
> On problem MBP            On Mini            On my MBP
> AC3x.kext            ACS6x.kext        ACS6x.kext

This is wrong.  I just checked and it now says AC6x.  I may have 
miss-typed it but now I don't know.

> All have the same name, except as noted.  I didn't byte compare these
> but ACS3x.kext, whatever that is, is unique to the problem computer. The
> others have ACS6x.kext.  I have no idea if that matters.

I ran diff -r on all the directories between the problem MBP and my MBP. 
  They are all the same.

I'm not sure to what degree diff matches cmp.  I suppose the bytes must 
be different for the line to be different.  I used to have a directory 
compare utility that used cmp but I lost it years ago.

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#1059

On 11/5/16 9:09 AM, Robert Peirce wrote:
> On 11/4/16 7:03 PM, Robert Peirce wrote:
>> On problem MBP            On Mini            On my MBP
>> AC3x.kext            ACS6x.kext        ACS6x.kext
>
> This is wrong.  I just checked and it now says AC6x.  I may have
> miss-typed it but now I don't know.


Not  being sure if that ACS3x was correct or not, I have allowed the 
problem MBP to go to sleep to see if it freezes.  However, as an old 
friend used to say, "You can never prove the absence of a bug."  It may 
wake up but still freeze later.

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#1063

On 11/5/16 9:22 AM, Robert Peirce wrote:
> On 11/5/16 9:09 AM, Robert Peirce wrote:
>> On 11/4/16 7:03 PM, Robert Peirce wrote:
>>> On problem MBP            On Mini            On my MBP
>>> AC3x.kext            ACS6x.kext        ACS6x.kext
>>
>> This is wrong.  I just checked and it now says AC6x.  I may have
>> miss-typed it but now I don't know.
>
>
> Not  being sure if that ACS3x was correct or not, I have allowed the
> problem MBP to go to sleep to see if it freezes.  However, as an old
> friend used to say, "You can never prove the absence of a bug."  It may
> wake up but still freeze later.

I tried this several times and it still froze.  Since all the kernel 
extensions match all three computers it must be something else.

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#1064

Robert Peirce <bob@peirce-family.com> wrote:
> On 11/5/16 9:22 AM, Robert Peirce wrote:
>> On 11/5/16 9:09 AM, Robert Peirce wrote:
>>> On 11/4/16 7:03 PM, Robert Peirce wrote:
>>>> On problem MBP            On Mini            On my MBP
>>>> AC3x.kext            ACS6x.kext        ACS6x.kext
>>> 
>>> This is wrong.  I just checked and it now says AC6x.  I may have
>>> miss-typed it but now I don't know.
>> 
>> 
>> Not  being sure if that ACS3x was correct or not, I have allowed the
>> problem MBP to go to sleep to see if it freezes.  However, as an old
>> friend used to say, "You can never prove the absence of a bug."  It may
>> wake up but still freeze later.
> 
> I tried this several times and it still froze.  Since all the kernel 
> extensions match all three computers it must be something else.

I forget: Have you made note of the time of the freeze, then looked at the
system log for any error messages around that time?

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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#1065

On 11/5/16 2:35 PM, Jolly Roger wrote:
> I forget: Have you made note of the time of the freeze, then looked at the
> system log for any error messages around that time?
>

No, I have not.  I have great difficulty working with logs.  I can never 
figure out which one to examine and I really don't understand what I am 
looking at/for.

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#1066

Robert Peirce <bob@peirce-family.com> wrote:
> On 11/5/16 2:35 PM, Jolly Roger wrote:
>> I forget: Have you made note of the time of the freeze, then looked at the
>> system log for any error messages around that time?
> 
> No, I have not.  I have great difficulty working with logs.  I can never 
> figure out which one to examine 

The system log is at /var/log/system.log.

> and I really don't understand what I am 
> looking at/for.

Messages with a time stamp at or near the time of the problem. See above.

-- 
E-mail sent to this address may be devoured by my ravenous SPAM filter.
I often ignore posts from Google. Use a real news client instead.

JR

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