"-fno-omit-frame-pointer" doesn't fix the problem but gcc versions are
indeed different:
  - gcc 4.3.2 on the "working" machine
  - gcc 4.6.2 on the other

Thanks for your help


On Wed, Jan 18, 2012 at 4:35 PM, Gilles Chanteperdrix <
[email protected]> wrote:

> On 01/18/2012 10:09 PM, Manuel Vonthron wrote:
> > Dear all,
> >
> > I am using the driver "xeno_16550A" for serial communication between a
> > powersupply and its controlling PC (x86). I started working with Xenomai
> > 2.5.5, but I recently switched to another machine where I installed
> Xenomai
> > 2.6.
> >
> > On this new machine, I get the "Inappropriate ioctl for device" error
> while
> > setting up my serial connection:
> >   err = rt_dev_ioctl(fd, RTSER_RTIOC_SET_CONFIG, &serial_config);
> >   >> error -25: Inappropriate ioctl for device
> > The following reads/writes don't fail but without proper configuration,
> > messages aren't understood by the device.
> >
> > My tests with non-RT code and the regular Linux driver keeps working with
> > this new machine and again, the RT code is the very same, I only updated
> my
> > Makefile to match the new version.
> >
> > - setserial infos:
> >   /dev/ttyS0 uart 16550A port 0x03f8 irq 4 baud_base 115200 spd_normal
> > skip_test
> > - xeno_16550A loaded with:
> >   `modprobe -v xeno_16550A io=0x03f8 irq=4 baud_base=115200`
> > - result of "rtdm" unit test:
> >   SetupExclusive openSuccessive openDefer close by driver handlerDefer
> > close by pending referenceNormal closeDeferred module unload#
> >
> > Do you have any idea where the error comes from and how would I fix it?
>
> It could be due to the version of gc. Try passing
> CFLAGS="-fno-omit-frame-pointer"
> on configure commande line.
>
> --
>                                                                Gilles.
>



-- 
Manuel Vonthron
Laboratoire de Nanorobotique
École Polytechnique de Montréal
Montréal, QC
http://nano.polymtl.ca/
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