Re: another strange panic
Re: another strange panic
- Subject: Re: another strange panic
- From: Godfrey van der Linden <email@hidden>
- Date: Mon, 28 Feb 2005 22:06:18 -0800
Probably not a stack overflow. We have guard vm pages around all of
our kernel stacks and if you try to walk of the end of them you will
get a panic, unfortunately not usually terribly meaningful as you have
just walked over the end of the stack and it can't find a valid frame
for the backtrace to start.
Usually the PC is meaningful though.
Godfrey
On Feb 28, , at 15:31, Andrew Gallatin wrote:
We never unload the sound driver. Just our own driver.
Hmm.. I wonder if we've got a bogus stack someplace caused by some
sort of stack overflow, and the garbage return address just happens to
match the address of this audio driver init routine..
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