[Scilab-Dev] scilab-5.0.3 segfault on solaris: strlen()

[Jonathan Blanchard]

Ah the joys of Scilab on Solaris.

I remember having a similar issue quite a while ago. If I remember
correctly it was something about localization. Either enabling or
disabling it kind of fixed the problem.

Jonathan Blanchard



On Sat, Jan 10, 2009 at 4:12 PM, Gerard Henry
<Gerard.Henry at cmi.univ-mrs.fr> wrote:
> Gerard Henry wrote:
>>
>> hello all,
>> after successfully compiling scilab on opensolaris, i did the same job
>> on solaris 10, make went fine, but when i execute, it segfaults. Looking
>> with the debugger, i got:
>> Program received signal SIGSEGV, Segmentation fault.
>> 0xfa855891 in strlen () from /usr/lib/libc.so.1
>> (gdb) where
>> #0  0xfa855891 in strlen () from /usr/lib/libc.so.1
>> #1  0xfac62160 in callFunctionFromGateway ()
>>   from /local/apps/src/scilab-5.0.3/modules/core/.libs/libscicore.so.5
>> #2  0xfd297571 in gw_io ()
>>   from /local/apps/src/scilab-5.0.3/modules/io/.libs/libsciio.so.5
>> #3  0xfac51df3 in callinterf_ ()
>>   from /local/apps/src/scilab-5.0.3/modules/core/.libs/libscicore.so.5
>> #4  0xfac5ef42 in scirun_ ()
>>   from /local/apps/src/scilab-5.0.3/modules/core/.libs/libscicore.so.5
>> #5  0xfac4d54b in realmain ()
>>   from /local/apps/src/scilab-5.0.3/modules/core/.libs/libscicore.so.5
>> #6  0xfd242ad0 in mainscic ()
>>   from /local/apps/src/scilab-5.0.3/modules/shell/.libs/libscishell.so.5
>> #7  0x08050d7d in main ()
>>
>> even a "make clean" becomes impossible, because:
>> devel1 at nemo:~/src/scilab-5.0.3$ make clean
>> ./bin/scilab: line 453: 13413 Segmentation Fault      (core dumped)
>> "$SCILABBIN" "$@"
>> ./bin/scilab: line 453: 13439 Segmentation Fault      (core dumped)
>> "$SCILABBIN" "$@"
>> make: *** [clean-doc] Error 139
>>
>> Any idea?
>>
>> thanks in advance for help,
>>
>> gerard
>>
>> PS: some notes in french:
>> http://www.latp.univ-mrs.fr/support/doku.php?id=scilab
>>
>
> after recompiling with -g, i have more information:
> t at 1 (l at 1) program terminated by signal SEGV (no mapping at the fault
> address)
> 0xfa705891: strlen+0x0031:      cmpb     $0x00000000,(%eax)
> Current function is callFunctionFromGateway
>   36           if (*(Tab[Fin-1].f) != NULL) (*(Tab[Fin-1].f))
> (Tab[Fin-1].name,(unsigned long)strlen(Tab[Fin-1].name));
>
> (dbx) where
> current thread: t at 1
>  [1] strlen(0xe, 0x0), at 0xfa705891
> =>[2] callFunctionFromGateway(Tab = 0xfd2be908), line 36 in
> "callFunctionFromGateway.c"
>  [3] gw_io(), line 102 in "gw_io.c"
>  [4] callinterf_(k = 0xfab07b04), line 155 in "callinterf.c"
>  [5] scirun_(startupCode = 0x8081358
> "exec('modules/functions/scripts/buildmacros/buildmacros.sce',-1)",
> startupCode_len = 64), line 147 in "scirun.c"
>  [6] realmain(no_startup_flag_l = 1, initial_script = 0x8046f3f
> "modules/functions/scripts/buildmacros/buildmacros.sce", initial_script_type
> = SCILAB_SCRIPT, memory = 180000), line 145 in "realmain.c"
>  [7] mainscic(argc = 5, argv = 0x8046e00), line 132 in "mainscic.c"
>  [8] main(argc = 5, argv = 0x8046e00), line 26 in "main_linux.c"
>
>
> is it possible that the value of Fin is out of range? Who set the value of
> Fin?
>
> thanks for help,
>
> gerard
>
> --
> Gerard HENRY
> LATP UMR6632
> 39, rue F. Joliot Curie
> 13453 MARSEILLE Cedex 13
> Tel.: 04 91 11 35 53 Fax.: 04 91 11 35 52
>