Re: Erlang VM immediately exits on hppa: execve() fails
On Tue, Dec 15, 2009 at 2:52 AM, Sergei Golovan <sgolovan@nes.ru> wrote:
> After the recent changes in hppa architecture Erlang virtual machine
> fails to start (which leads to several FTBFS bugs in particular:
> #559628, #559962, #559004).
>
> The problem is that after vfork(), execve() fails to start a child
> process. It sets errno to EMFILE. If I run erl under strace, it works
> fine. Is it a bug in glibc, or in Erlang itself?
>
> I'm giving a small excerpt from erts/emulator/sys/unix/sys.c file
> where the failed execve(), the rest could be found in erlang
> 12.b.2.1-1 sources.
Are you certain that execve() fails to start a child process?
While debugging emacs32 failures I discovered that execve() works, but
that the parent which called the vfork() is corrupted by the child.
I posted a test case for our kernel developers to look at here:
http://article.gmane.org/gmane.linux.ports.parisc/2403
We haven't been able to determine the cause of the failure yet.
Cheers,
Carlos.
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