[Bug libfortran/31604] Segfault at runtime on I/O with OpenMP and static linking

["fxcoudert at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Comment #5 from fxcoudert at gcc dot gnu dot org  2007-04-17 16:05 -------
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 140130416 (LWP 25328)]
0x00000000 in ?? ()
(gdb) where
#0  0x00000000 in ?? ()
#1  0x0804cdbb in get_external_unit (n=6, do_create=1)
    at
/home/fxcoudert/gfortran_nightbuild/trunk/libgfortran/../gcc/gthr-posix.h:613
#2  0x0804b987 in data_transfer_init (dtp=0xbfe9b024, read_flag=0)
    at /home/fxcoudert/gfortran_nightbuild/trunk/libgfortran/io/transfer.c:1702
#3  0x0804827f in MAIN__.omp_fn.0 (.omp_data_i=0x0) at hello.f90:2
#4  0x08048235 in MAIN__ () at hello.f90:2
#5  0x080482dd in main (argc=Cannot access memory at address 0x1

The line 613 in gcc/gthr-posix.h is the call to pthread_mutex_trylock() in:

static inline int
__gthread_mutex_trylock (__gthread_mutex_t *mutex)
{
  if (__gthread_active_p ())
    return __gthrw_(pthread_mutex_trylock) (mutex);
  else
    return 0;
}


-- 

fxcoudert at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|2007-04-17 15:56:53         |2007-04-17 16:05:21
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31604