R7A : Segmentation fault

Raimo Niskanen <>
Wed Sep 20 11:02:16 CEST 2000


And, I must add, unfortunately the Erlang emulator does not handle out
of memory in a too controlled manor, so "segmentation fault" is a
probable response to out of virtual memory. This might be the case if
/tmp competes with the virtual memory.

/Raimo Niskanen, Erlang/OTP



Raimo Niskanen wrote:
> 
> Mickael Remond wrote:
> > Here is my session:
> >
> >  $ uname -a
> >  Linux western 2.2.15 #1 ven jun 9 14:05:59 CEST 2000 i686 unknown
> >
> >  $ ./bin/erl
> >  Erlang (BEAM) emulator version 5.0 [source]
> >
> >  Eshell V5.0  (abort with ^G)
> >  1> c(bugreport).
> >  {ok,bugreport}
> >  2> bugreport:loop(1004).
> >
> > Ends by
> > ....
> >
> > Created file : 995  -  file:list_dir length : 995
> > Created file : 996  -  file:list_dir length : 996
> > Created file : 997  -  file:list_dir length : 997
> > Created file : 998  -  file:list_dir length : 998
> > Created file : 999  -  Erreur de segmentation
> >
> > Any idea ?
> >
> > --
> > Mickaël Rémond          -  
> >                         -  http://IDEALX.com
> >                         -  01 44 42 00 38
> 
> I have a Debian 2.2 laptop and can reproduce your fault, just like You.
> 
> I hacked your code to not write at /tmp/test, but on $CWD/test (which is
> ~/tmp/test) and then there is no problem.
> 
> One suggestion is that there is something fishy about the /tmp
> directory. If it lies in virtual memory or is treated specially in any
> way (special filesystem, number of allowed inodes, ...) this may be the
> reason, and I am not enough Linux guru to know, but I know that one
> shall not be suprised to find that the /tmp directory has size
> limitations in some way or another.
> 
> / Raimo Niskanen, Erlang/OTP



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