Re: [Linux-gpib-general] GPIB libs on 64-Bit machine

[Matej <mat...@ij...>]

So basically this means no fun on 64bit machines or am I wrong?

Since I am in process of buying  gpib-usb-hs and I plan to use it on 64bit 
machine, what should I do?

Best, etc.
Matej

On Wednesday 28 November 2007 00:47:21 Frank Mori Hess wrote:
> On Tuesday 27 November 2007 12:39, Martin Ohlerich wrote:
> > Hello all,
> >
> > I want to write gpib-DAQ software for a Keithley, which is accessed via
> > gpib-usb-hs from National Instruments. For this I took the gpib-library
> > from sourceforge : linux-gpib-3.2.09. The OS of my PC is Scientific
> > Linux 4. I successfully installed libgpib on a 32-Bit machine.
> > When I did the same steps on a 64-Bit machine I failed. The installation
> > itself worked without problems. Also the modules are loaded (I checked
> > this with help of lsmod). All permissions are set correctly (I even
> > tried as root). By 'cat /proc/bus/usb/devices' I saw that the
> > gpib-usb-hs was detected correctly. So everything looks fine.
> >
> > The result on the 64-Bit machine is, however, when starting 'ibtest' and
>
> calls from a 32 bit libgpib user space library into a 64 bit kernel won't
> work, as the ioctl structs are not 32/64 bit agnostic, and the gpib kernel
> driver doesn't implement compat_ioctl.