The first thing I’d be doing is disabling any non-standard software for a
while. Although you quote “the usual add-ons”, the only ones you mention and
which I also have installed are CCC and Default Folder. The first suspects for
me on your list would be CleanMyMac and Intego Virusbarrier, both of which are
totally unnecessary on a Mac, as their functions are already being performed by
MacOS itself and are potentially creating conflicts. Since you apparently tend
to sleep your Mac than turn it off at night all the built-in functions will be
active.
I’’m not familiar with Fluor or Magnet, but again try running with these
disabled for a while and see if things improve. Part of your strategy could
alos include running Activity Monitor periodically to see what processes are
(a) using the most memory and (b) consuming the most processor time. I’m
running Big Sur, and am regularly afflicted by a process called “bsdtar” of
which I often have over 50 instances runnnig at a time, and bringing my Mac to
a crawl. Using AM to quit them all fixes the problem. I’ve recently read
somewhere that Parallels Toolbox is behing the bsdtar activity, so I’ve
disabled it and so far the problem as not reappeared.
The other thing is to try starting up in Safe Mode and then restart normally:
• Power on or restart your Mac, then immediately press and hold the
Shift key as your Mac starts up.
• Release the key when you see the login screen.
• Log in to macOS.
• You may be asked to log in again. On either the first or second login
window, the words Safe Boot should appear in the upper-right corner of the
window.
I’ve had this process fixes weird behaviours before as well.
> On 17 Nov 2021, at 5:52 am, Adam Lippiatt <adam.lippi...@me.com> wrote:
>
> Hi all
>
> My iMac is crashing whether:
>
> - on sleep or with sleep disabled;
> - with external hard drives connected and with no devices other than original
> keyboard connected,
>
> every roughly 48 hours. It always lasts 24 hours but never gets to 72 hours.
>
>
> When sleep is not disabled it will wake from sleep no worries within the 48
> hour period, so the only unusual behaviour is the kernel panic every roughly
> 48 hours.
>
> Is my strategy (in order):
>
> - run my computer in safe mode for 48 hours and see if I get a kernel panic;
> - do a hardware check with apple diagnostics if I get a kernel panic;
> - zap nvram pram if I get no bad results;
> - if I get kernel panic;
> - reinstall OS and restore files from backup;
> - get a new Mac?
>
> My software suite has been pretty stable for a while - the usual add ons:
>
> - carbon copy cloner;
> - cleanmymac;
> - intego virusbarrier;
> - default folder;
> - Fluor (function key behaviour software);
> - Magnet for windows managment.
>
>
> Thanks
>
> Adam
>
>
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Kind regards,
Peter Hinchliffe Apwin Computer Services
FileMaker Pro Solutions Developer
Perth, Western Australia
Phone (618) 9332 6482 Mob 0403 046 948
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