Re: NI 6519

That is exactly where we are stuck. We have put printk calls in the driver
but nothing is output to the messages file. Apparantly the comedi_config has
some problems with my driver and consequently crashes the kernel.




2006/3/28, Ian Abbott <abbotti_at_mev.co.uk>:
>
> On 28/03/2006 09:04, Siebe Ytsma wrote:
> > I am currently doing my internship and work on a project where we need
> > to use a National Instruments PCI-6519 card. National Instruments
> > advises the Comedi framework on their website but unfortunately the
> > PCI-6519 card isn't supported yet. Does anyone know if someone is
> > working on such a Comedi driver? We tried starting to build one
> > ourselves with the PCI-6527 as an example, until now without success. It
> > loads fine but when we comedi_config the device it crashes the kernel.
> >  From the var/log/messages no debug traces can be found so we are a bit
> > lost on what the problem is. The additional info from the skel.c file
> > hasn't solved this problem either.
> >
> > All help is welcome.
>
> Well you need to find out which bit is causing the driver to crash.  One
> way to narrow it down is to #ifdef out bits of code until it no longer
> crashes.  Another way (which can be combined with the first) is to
> intersperse the code with a few printk calls so you can see how far it
> gets before crashing.
>
> --
> -=( Ian Abbott _at_ MEV Ltd.    E-mail: <abbotti_at_mev.co.uk>        )=-
> -=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-
>