Re: Kernel Panic Cluedo
Re: Kernel Panic Cluedo
- Subject: Re: Kernel Panic Cluedo
- From: Joseph Oreste Bruni <email@hidden>
- Date: Wed, 22 Nov 2006 09:51:01 -0700
The kernel is sort of one big program in a single address space. If
some function "A" corrupted a memory structure of another function
"B", most likely "B" would cause the kernel to crash. Indeed, if
memory structure "B" suddenly started pointing into structure "C"
because of "A's" mistake, it would be "C" that crashed, etc.
Memory protection exists between the kernel and user processes (and
between user processes), but not between various regions of the
kernel itself.
If you ever did programming on OS 9 and earlier you probably
experienced lots of random system crashes caused by wayward
applications, extensions, etc. since the whole world was one giant
address space.
On Nov 22, 2006, at 3:54 AM, Stephane wrote:
- can you kernel panic outside your own kernel extension if you're
doing bad things with memory (till now I've always KPed in my code)?
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