Alan Cox (
Thu, 13 Feb 1997 22:06:20 +0000 (GMT)

> > Because its incredibly non obvious. Some of the folk doing big number
> > crunches noticed that the size of your environment changed the
> > performance. [...]
> hm, maybe time to add 'misalignment fault' counting support to the kernel?
> Has anyone tried this? Does it work for the FPU too? Is it reliable? ;)

The pentium randomly clears the misalignment fault flag in some cases.
Otherwise it might be quite informative!