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

[Martin O. <mar...@de...>]

Just to prove my statements ;) :

> file /usr/local/lib/libgpib.so.0.1.3
/usr/local/lib/libgpib.so.0.1.3: ELF 64-bit LSB shared object, AMD x86-64, version 1 (SYSV), not stripped

Cheers


On Tue, 27 Nov 2007, 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.
>
> -- 
> Frank
>
>