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Re: [Starpu-devel] Error - No worker may execute this task


Chronologique Discussions 
  • From: Samuel Thibault <samuel.thibault@ens-lyon.org>
  • To: ASUDE ASUDE <ajitsdeshpande@gmail.com>
  • Cc: starpu-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] Error - No worker may execute this task
  • Date: Tue, 29 Nov 2011 13:41:36 +0100
  • 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>

ASUDE ASUDE, le Tue 29 Nov 2011 12:25:28 +0000, a écrit :
> After adding in code   .where = STARPU_OPENCL | STARPU_CPU
> and configuring with --disable-cuda --enable-opencl, make and executing I
> get
> error:
> Executing on OpenCL 0 (GeForce GTX 470)
> Segmentation fault
>
> So it seems its task is getting scheduled to OpenCL device of GPU, but
> crashing
> for some other reason.

Yes.

> Would you suspect that my NVIDIA driver or something related to GPU card
> could
> be having problem?

Unlikely.

> Where would you point I start debugging to resolve this?

Getting a backtrace in gdb, to at least know where the segmentation
fault is.

Samuel





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