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OS X - Operating System General OS operation information and support

Kernal panic - how common?


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neilf

 
Member Since: Apr 12, 2008
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Hi all,
As the title says, just how common are kernal panics?
OK, so my iMac aint that new:
2007 2.8Ghz Core 2 duo 4GB ram running Snow Leopard 10.6.8

Just had my first panic after 4 years. The curtain descended and I thought, what the heck is going on. The machine was doing absolutely nothing that I could see could warrant this panic. Having said that I do have a theory but as I know nothing about the reasons for these panics, I'll mention my theory later.

I ran all the checks I know of:
repair permissions
verify disc
Apple hardware test (full test)

All these reported that everything was OK.

Should I be concerned?

Neil
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louishen

 
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You will get them every now and again, only if they become very frequent (like more than one a day) should you get concerned.

1 panic in 4 years is a very good run

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neilf

 
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Thanks for your interest in my post Louishen.

Are you saying that a daily kernal panic is not unheard of?

I sort of equate the kernal panic with Window's blue screen of death.
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gsahli

 
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You've done the same things I would, except also check hard drive SMART status in Disk Utility.
Mac OS X 10.6 Help: Checking a disk to see if it?s going to fail
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pigoo3

 
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My 2 cents. Here are what I consider 3 three levels of "annoyances on a Mac" (in decreasing order of occurrence):

- slowdowns/spinning beachballs (98%)
- program quits unexpectedly (1.9%)
- kernel panics (<0.1%)

The percentages aren't based on any sort of data...just my experiences/observations.

Also remember that your computer should be running trouble free 99% of the time...so the "annoyances" listed above would only be occurring 1% (or less) of the time...making the <0.1% for kernel panics be VERY infrequent.

Basically kernel panics should almost never occur on a well running and well maintained computer. Here's a kernel panic article that's always a good read:

Resolving Kernel Panics

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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neilf

 
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I did as suggested and checked the SMART status.
It says verified.
Does that mean OK? Or do I have to run something to get the SMART status to update?
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neilf

 
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My thanks to Pigoo3 for the link to resolving kernel panics.

I will have a read and see what happens over time.

Hopefully that will be the end of it.

Neil
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harryb2448

 
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Verified means it is okay at the time of testing.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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Kernel panics should be unheard of in normal use.
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I've heard of 'em but I've never seen one in 4-1/2 years of using OSX Leopard.
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PomeleS87

 
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Quote:
Originally Posted by louishen View Post
You will get them every now and again, only if they become very frequent (like more than one a day) should you get concerned.

1 panic in 4 years is a very good run
Totally agree with you..
I'm having about 1-2 panic every week, and things are fine
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