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[Starpu-devel] fortran error Starpu 1.2 RC3


Chronologique Discussions 
  • From: Jeff Hand <jeffrey.hand@gmail.com>
  • To: starpu-devel@lists.gforge.inria.fr
  • Subject: [Starpu-devel] fortran error Starpu 1.2 RC3
  • Date: Mon, 3 Aug 2015 17:38:34 -0500
  • List-archive: <http://lists.gforge.inria.fr/pipermail/starpu-devel/>
  • List-id: "Developers list. For discussion of new features, code changes, etc." <starpu-devel.lists.gforge.inria.fr>

When building/testing starpu I receive the error:

   FAIL: fortran90/f90_example


Direct Execution StarPU 1.2 RC3:
======================================================
/StarPU-prefix/src/StarPU/examples/fortran90/f90_example
[starpu][_starpu_opencl_driver_init] Warning: reducing STARPU_OPENCL_PIPELINE to 0 because blocking drivers are enabled (and simgrid is not enabled)

Program received signal SIGSEGV: Segmentation fault - invalid memory reference.

Backtrace for this error:
StarPU version:    1.   2.   0
#0  0x7F131CCA6777
#1  0x7F131CCA6D7E
#2  0x7F131C8FED3F
#3  0x7F131CFCA979
#4  0x7F131CFCCD84
#5  0x7F131CFF3DA0
#6  0x7F131D01DBDD
#7  0x7F131D01DE4C
#8  0x7F131C063181
#9  0x7F131C9C247C
#10  0xFFFFFFFFFFFFFFFF
Segmentation fault (core dumped)
======================================================

Configuration Used:
./configure --enable-opencl --with-hwloc --enable-blocking-drivers --disable-starpu-top --with-mpicc=/invalid/mpicc --disable-socl --disable-cuda

Ways I can deal with the failure:
1. Remove fortran packages
- This works.  If I needed the fortran package it would be an issue.
- I'd rather have "--disable-fortran".

2. don't use "--enable-blocking-drivers"
- I presume this isn't a good solution because of CPU utilization.  Probably a symptom.

3. Trunk has Revision 15703 change for --disable-fortran
- This works when hand patched.  This would require a StarPU RC4.

thanks,
Jeff





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