Re: Signal 8

[Eugene Teo <eugene.teo@eugeneteo.net>]

Hi Usman, 

Sorry that i am not replying to your question but I am learning, 
what is rtai_sched and the LinuxFpu switch?

Eugene

<quote who="Usman S. Ansari">
u> I am not using floating point in the kernel. Only reference to floating 
u> point I founf was in rtai module rtai_sched, which provides floating 
u> point library.  I loaded this module with
u> 
u> insmod rtai_sched.o LinuxFpu=0
u> 
u> There is should be no floating point support (after LinuxFpu switch), 
u> but system still crashes with signal 8.
u> 
u> Other rtai modules are rtai_fifo and rt_mem_mgr
u> 
u> Usman
u> 
u> Seth Arnold wrote:
u> 
u> >On Wed, Nov 06, 2002 at 04:52:00PM -0500, Raghu R. Arur wrote:
u> > 
u> >
u> >>  i really dont know what this signal is for.
u> >>   
u> >>
u> >
u> >kill -l
u> >
u> >8 is SIGFPE on my system -- floating point exception.
u> >
u> >For the original poster -- don't use floating point in the kernel. If
u> >you do, you need to modify the context switch code to properly handle
u> >the floating point registers.
u> > 
u> >
u> -- 
u> Usman S. Ansari
u> 
u> 
u> 
u> --
u> Kernelnewbies: Help each other learn about the Linux kernel.
u> Archive:       http://mail.nl.linux.org/kernelnewbies/
u> FAQ:           http://kernelnewbies.org/faq/
u> 

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