Re: Kauth stability? (kernel panic)
Re: Kauth stability? (kernel panic)
- Subject: Re: Kauth stability? (kernel panic)
- From: Greg <email@hidden>
- Date: Thu, 21 Jun 2007 19:53:07 -0400
On Jun 21, 2007, at 8:09 AM, Terry Lambert wrote:
Load the kgmacros and debug from another machine (showallstacks).
The most likely cause of this is a kernel stack overflow, either
because you've declared some huge data object on the stack, or you
accidently caused recursion. You can tell by looking at the
"stacktop" "stackbottom", and the stack pointer at the time, to see
if it's in the range or out of it.
-- Terry
I'm having difficulty using the kgmacros script, I searched google
for for it and found a google-cached version of it from
xnu-792.6.61. Whenever I try to load it in gdb I get this error:
(gdb) source kgmacros
kgmacros:28: Error in sourced command file:
No struct type named mach_header.
I tried doing that after I added symbols from the various kpis that
my KEXT uses and I still get that error.
On the other hand I think I've determined that the problem is
elsewhere (not in the kauth stuff), either it's some sort of
threading issue or it's the kernel control stuff that I'm using.
- Greg
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