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Re: app throws "illegal instruction"
From: |
Daniel Diaz |
Subject: |
Re: app throws "illegal instruction" |
Date: |
Wed, 15 May 2002 12:03:07 +0200 |
Hi Frank, it is not obvious to see what's wrong. The first think you can
do is recompile gprolog on your own machine (maybe it is a problem with
an incompatible library).
So get the last .tar.gz (1.2.12 is OK).
ftp://ftp.inria.fr/INRIA/Projects/contraintes/gprolog/unstable/gprolog-1.2.12.tar.gz
To test without installing the system:
uncompress the package,
cd gprolog-1.2.12/src
source SETVARS (under bash or else use the file CSHSETVARS)
./configure
make
The file SETVARS sets the PATH in such a way when you execute gplc or
gprolog it is the one in this directory which is chosen (so even if you
have a RPM installed it is not the RPM which is executed).
then cd to your application directory and recompile your program (use
gplc -v to check 1.2.12 is the version of gplc if you are not sure).
If the problem persists, recompile gprolog with debug options:
cd gprolog-1.2.12/src
./configure --with-c-flags=debug
make clean
make
and retry your app (you should compile it with -g to be able to use
gdb).
Then use gdb to see what happens.
Sorry I cannot help you much more
Frank Rehberger wrote:
>
> Hello,
>
> I am using Redhat-7.1, compilation is done against glib-2.0 and
> ORbit-2.0. I amusing the pre-compiled version of gnu-prolog-1.2.8.
>
> For Gnome-MrProject I write the project-scheduler using Gnu-Prolog.
> The instance of Gnu-Prolog shall be accessible using CORBA interfaces,
> running as Servant.
>
> First I wrote a small hello world CORBA servant working fine. One can
> attach to this object, applying a remote function that prints "hello
> world" to terminal. The next step was to delegate terminal printing to
> gnu-prolog linking gnu-prolog against this CORBA interface. The specific
> prolog rule is only:
>
> echo(Mesg):-
> print(Mesg).
>
> I use gplc to link gnu-prolog libraries against CORBA interfaces.
>
> Everytime I execute this application "Illegal instruction" signal is
> thrown. Stepping with debugger through code I reach line 59 where the
> error occures. The lines before activate sockets and might set some
> signal handlers.
>
> I have got no idea why this error turns up. Currently _no_ Gnu-Prolog
> function is called. I assume gprolog has been compiled against glib-1.x.
> Might this error be caused by using glib-1 and glib-2 object files in
> same application?
>
> Breakpoint 2, impl_MrProject_Sked__create (poa=0x8295648, ev=0x8290d30)
> at mrp-sked-skelimpl.c:59
> (gdb) step
>
> Program received signal SIGILL, Illegal instruction.
> 0xbffff49a in ?? ()
>
> -------<Suggestions or hints are welcome.>--------
>
> 43 static MrProject_Sked
> 44 impl_MrProject_Sked__create(PortableServer_POA poa,
> CORBA_Environment * ev)
> 45 {
> 46 MrProject_Sked retval;
> 47 impl_POA_MrProject_Sked *newservant;
> 48 PortableServer_ObjectId *objid;
> 49
> 50 newservant = g_new0(impl_POA_MrProject_Sked, 1);
> 51 newservant->servant.vepv = &impl_MrProject_Sked_vepv;
> 52 newservant->poa = poa;
> 53 POA_MrProject_Sked__init((PortableServer_Servant) newservant,
> ev);
> 54 objid = PortableServer_POA_activate_object(poa, newservant,
> ev);
> 55 CORBA_free(objid);
> 56 retval = PortableServer_POA_servant_to_reference(poa,
> newservant, ev);
> 57
> 58 return retval;
> 59 }
>
> Thanks, Frank
>
> --
> -------------------------------------------------
> Frank.Rehberger at acm.org
> -------------------------------------------------
> The Twelve Networking Truths
> http://www.ietf.org/rfc/rfc1925.txt?number=1925
> -------------------------------------------------
>
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