Re: Erlang VM immediately exits on hppa: execve() fails
On Tue, Dec 15, 2009 at 2:24 PM, Sergei Golovan <sgolovan@nes.ru> wrote:
> On Tue, Dec 15, 2009 at 7:11 PM, <carlos@systemhalted.org> wrote:
>> 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?
>
> Yes, after I've inserted some debug printf() right after execve() it
> was reached.
Yes, you are definitely right, I hadn't thought to try that.
I will test an instrumented kernel tonight to see what the problem is.
Cheers,
Carlos.
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