Re: [rtl] floating point errors

[Michael Barabanov <baraban@fsmlabs.com>]

Please try rtlinux-3.0pre9.

Michael.

Manuel (manuel@electrica.ispjae.edu.cu) wrote:
> Hi Olaf
> The code in the attachment is the example distributed with RTL beta16, I
> have probe it in a 486 intel and in a Pentium 433Mhz with the same problem,
> first i though the problem was in my code but the example didn't work, i
> probe it with periods > 1seg. and nothing, some times it work fine but other
> hang or reset the machine.
> I try this example saving and restoring the cr0 by myself (without
> rtl_task_use_fp) like Paolo Mategazza suggest and the problem persist, this
> mean that maybe is not an RTLinux problem.
> When linux boot, a message indicating "FPU exception 16 error reporting"
> appear in both computers, i dont know what it mean?, have something to do
> with my problem?
> There some particular specifications to define compiling the kernel
> associated with floating point?
> 
> to run the example
> make
> mv rt_process.o fp_tasks.o
> make test
> 
> Thanks.