On Tue, Mar 29, 2005 at 12:27:01PM +1000, Keith Owens wrote:

> i386 needs unwind data plus a kernel unwinder to get accurate
> backtraces.  Without the data and an unwinder, i386 backtraces are
> best guess.  They often contain spurious addresses, from noise words
> that were left on the kernel stack.  Nothing to do with
> CONFIG_4K_STACKS.

XFS will break sometimes with 4K stacks on x86
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