Dave,
My kernel is 2.0.36. I have not tried read/write/fseek(). Do you have an
example of how to set that up correctly?
Janet
> -----Original Message-----
> From: David Schleef [SMTP:[EMAIL PROTECTED]]
> Sent: Monday, January 10, 2000 2:33 PM
> To: Estabridis, Janet P
> Cc: 'RT Linux Group'
> Subject: Re: [rtl] Memory Mapped ISA Video Frame Grabber Help
>
> On Mon, Jan 10, 2000 at 01:52:11PM -0800, Estabridis, Janet P wrote:
> > Dave,
> > I am doing this from user space right now. I am using fd "/dev/mem"
> which
> > is what Mr. Rubini's book example and he's advice via e-mail was.
> >
> > What is the difference between "/dev/mem" and "/dev/kmem" ?
> >
> > I'll try "/dev/kmem" and I'll try and look at the SVGAlib source.
> >
> > I truely did not think accessing a memory mapped card would be trouble
> from
> > user space and I thought it would be easier until things are working (if
> you
> > can map it). I'll also try it from kernel space if all else fails.
>
>
> Sorry, /dev/mem was correct. But mmap_kmem() is just defined to be
> mmap_mem(), which makes me suspicious. Have you tried plain, old
> read/write/fseek() on /dev/mem?
>
> Are you using a 2.2.x or 2.0.x kernel?
>
>
> dave...
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