[esp-r] Re: prj: segmentation fault
Jon Hand (clcv10)
jon at esru.strath.ac.uk
Wed Feb 14 12:23:43 GMT 2007
A recent question about ESP-r and 64 bit compiling.....
> I have just downloaded and compiled ESP-r on a FedoraCore 6 OS
> using g77.
> It is a dual processor 64bit machine
> When complied for GTK it works very well
> When compiled for X11, and I run the command “prj” it briefly opens
> the project manager window (<<1second) and then says “Segmentation
> fault” in my terminal
> This occurs for any of the binaries (e.g. “bps”).
> Any ideas?
>
> I also am running it on a single processor 32bit machine with
> Fedora Core 6 and the X11 version works fine.
Testing is underway to ensure that ESP-r works on 64-bit computing
platforms.
At this point there are numerical issues with 64-bit environments
which have
yet to be resolved. There is not yet a consensus in the ESP-r
development community
to recommend using ESP-r on 64 bit platforms.
Previous posts have also talked about work underway to prove that the
newest
GCC compilers (4.1.1 onwards) pass the validation tests.
It should be possible for someone who has a 64 bit platform to Install
esp-r with debugging on and to run the executable within a debugging
environment
such as gdb or ddd and track down the location where the segementation
falult is happening.
-ESRU
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