I forgot to add that I am compiling with

R CMD SHLIB buggyCode.c --ggdb

thanks
David




Quoting pleyd...@supagro.inra.fr:

"Writing R Extensions" says

{quotes}
If you have a crash which gives a core dump you can use something like

    gdb /path/to/R/bin/exec/R core.12345

to examine the core dump. If core dumps are disabled...
{unquotes}

sadly it doesn't go on to say how to enable if core dumps are disabled.

I understand that in bash I need to do

$ ulimit -c unlimited

but this doesn't seem to be enough, I still don't find a core file despite

 *** caught segfault ***
    address 0x20000028, cause 'memory not mapped'

   Possible actions:
    1: abort (with core dump)
    2: normal R exit
    3: exit R without saving workspace
    4: exit R saving workspace
    Selection: 1


I am running Ubuntu jaunty on a laptop. Any ideas as to what I might need to
configure next?

thanks
David






--
David Pleydell
UMR BGPI
CIRAD
TA A-54/K
Campus International de Baillarguet
34398 MONTPELLIER CEDEX 5
FRANCE
Tel: +33 4 99 62 48 65 - Secrétariat : +33 4 99 62 48 21
Fax : +33 4 99 62 48 22
http://umr-bgpi.cirad.fr/trombinoscope/pleydell_d.htm
https://sites.google.com/site/drjpleydell/




--
David Pleydell
UMR BGPI
CIRAD
TA A-54/K
Campus International de Baillarguet
34398 MONTPELLIER CEDEX 5
FRANCE
Tel: +33 4 99 62 48 65 - Secrétariat : +33 4 99 62 48 21
Fax : +33 4 99 62 48 22
http://umr-bgpi.cirad.fr/trombinoscope/pleydell_d.htm
https://sites.google.com/site/drjpleydell/

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