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> -- eMail: eugeneteo@eugeneteo.net, eugeneteo@null.cc.uic.edu gpg pub_key: http://null.cc.uic.edu/~eugeneteo/eugeneteo.asc main(i){putchar(182623909>>(i-1)*5&31|!!(i<7)<<6)&&main(++i);} -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
