[Gllug] SIGSEGV error

Delioma Oramas Dorta delio79 at gmail.com
Fri Aug 31 08:31:21 UTC 2007


Hi Richard,

thanks very much for all these suggestions. I am currently in touch with the
authors and awaiting their response on this, so hopefully I will be able to
find out more about it. Otherwise, I will have to try and use the new
version in a last instance.

THanks a lot for you guidance!

Regards,

Delioma

On 8/30/07, Richard Russell <richard.a.russell at gmail.com> wrote:
>
> Hello Delioma,
>
> I would suggest trying the following:
>
> 1) Consider using the newer version of titan2d - it may have fixed this
> bug, and the authors may be happier supporting it!
> 2) Try running the software using some known good test data, ideally of a
> similar size and 'nature' (I notice that the site you mention has some
> sample data). If it always fails at the same point in the simulation, then
> it's likely to be a combination of bad data and poor error detection on the
> part of the program.
> 3) Recompile the original version of the software on the computer you are
> currently using (though be sure to keep a backup)
> 4) Try running it on the computer you originally compiled it on
> 5) If the current computer and the original one are the same, do (3)
> anyway - some libraries or other software may have changed in the meantime
> 6) Email the original authors with the version of Titan2d you are using,
> linux (eg gubuntu X.Y) you are running, the current glibc version (I
> forget how to discover this off the top of my head and am currently using a
> PC so can't check), the gcc version (gcc -v) and the error message you get.
> If possible, also include the versions of the same software that you had on
> the original computer you compiled it on.
>
> Cheers
>
>
> On 29/08/2007, Delioma Oramas Dorta <delio79 at gmail.com> wrote:
>
> > Thanks!
> >
> > I recently signed into the list in order to ask for guidance in respect
> > of a problem I am getting while running a program in Linux. The program is
> > used for simulating geological flows (such as landslides) over a digital
> > representation of the terrain.
> >
> > The program was compiled apparently fine in Ubuntu version of Linux: the
> > interface of the program opens, and I can key in the input data which is
> > later on used by the program to make a simulation of the flow.
> >
> > But when I try to run the simulation, this will work only for 30 seconds
> > (it stops at 30 seconds of simulated flow time) and it gives the error:
> >
> > p4_error: interrupt SIGSEGV: 11
> >
> > I have read a lot on Google and Forums and have found that it may be a
> > segmentation fault which happens when the program is accessing memory which
> > has not been allocated to it.... But to be honest I dont have a clue how to
> > sort it out. I dont know anything of linux, but need to sort this out for
> > running the simulation program.
> >
> > Does anyone know whether a total newby could sort this kind of thing
> > out? Otherwise, is there any professional company or someone who does this
> > kind of job?
> >
> > will look forward to any ideas!
> >
> > Many thanks
> > --
> > Gllug mailing list  -  Gllug at gllug.org.uk
> > http://lists.gllug.org.uk/mailman/listinfo/gllug
> >
> >
>
> --
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>
>
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