Re: NWFPE exceptions on leisner

[Ralph Siemsen <ralphs@netwinder.org>]

On Fri, Mar 16, 2007 at 12:48:54PM -0500, Bill Gatliff wrote:
 
> The dmesg buffer is full of these:
> 
> NWFPE: lt-align[4828] takes exception 00000002 at c002d308 from 4002fe30
> 
> Wtf is up with that?

Hi Bill,

00000002 is a floating point divide-by-zero.  So this is rather harmless,
although who knows what the lt-align program (pid 4828) thought of it.
I believe the userspace process gets terminated with SIGFPE.

The printout is coming from kernel function float_raise() which is defined 
in arch/arm/nwfpe/fpmodule.c line 173, with flags defined in softfloat.h in
the same directory.

Cheers,
-Ralph