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re: port-i386/39299: FPU use in signal handlers is unsafe
> The following reply was made to PR port-i386/39299; it has been noted by
> From: David Holland <dholland-bugs%netbsd.org@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Subject: Re: port-i386/39299: FPU use in signal handlers is unsafe
> Date: Mon, 25 Oct 2010 01:44:02 +0000
> On Wed, Aug 06, 2008 at 02:35:01PM +0000, M.Drochner%fz-juelich.de@localhost
> > When a signal handler is called, the FPU is in the state as the
> > main program left it. In particular, there can be data on the
> > stack which causes that the stack overflows early.
> I've been seeing the overt symptom of this again recently (teleporting
> mouse pointer) - anyone else?
the touchpad on my laptop jumps around a bit, but not quite in the
same way it used to. instead of jumping to the left always, it just
sometimes ends up elsewhere on the screen.
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