* Segfault with humongous heap size
@ 2010-09-02 11:23 Paul Steckler
2010-09-03 15:56 ` [Caml-list] " Damien Doligez
0 siblings, 1 reply; 2+ messages in thread
From: Paul Steckler @ 2010-09-02 11:23 UTC (permalink / raw)
To: caml-list
If I enter this in my shell:
declare -x OCAMLRUNPARAM="h=3200000000"
every OCaml program I run yields a segfault. I have OCaml 3.11.1+rc1 installed
on Fedora 12 x64.
Of course, that heap size, 3.2G words, is larger than the memory I
have installed, but
still, I shouldn't get a segfault.
-- Paul
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Caml-list] Segfault with humongous heap size
2010-09-02 11:23 Segfault with humongous heap size Paul Steckler
@ 2010-09-03 15:56 ` Damien Doligez
0 siblings, 0 replies; 2+ messages in thread
From: Damien Doligez @ 2010-09-03 15:56 UTC (permalink / raw)
To: caml-list caml-list
On 2010-09-02, at 13:23, Paul Steckler wrote:
> If I enter this in my shell:
>
> declare -x OCAMLRUNPARAM="h=3200000000"
>
> every OCaml program I run yields a segfault. I have OCaml 3.11.1+rc1 installed
> on Fedora 12 x64.
>
> Of course, that heap size, 3.2G words, is larger than the memory I
> have installed, but
> still, I shouldn't get a segfault.
That's due to a stupid bug in parsing OCAMLRUNPARAM, compounded by a missing
check for the error code returned. It will be fixed in 3.12.1. In the meantime,
just use multipliers:
declare -x OCAMLRUNPARAM=h=3200M
-- Damien
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