[petsc-users] Configure error

[Barry Smith]

On Aug 5, 2012, at 10:27 AM, Fabio <fabio.pinna.2006 at gmail.com> wrote:

> Dear all,
> I am new to petsc, and I've been struggling with it for the last days.
> 
> I want to install it on Windows 7, and first  I tried to install the
> Microsoft MPI and then compiling the MPICH. They both seems ok but I
> am not able to compile Petsc with any of them.
> I am mostly interested to MPICH (for portability).
> I used this script to configure
> 
> ./config/configure.py PETSC_ARCH=win32-gnu  --with-fc=0
> --download-f2cblaslapack=1
> –with-mpi-dir=/cygdrive/d/Workspace/MPICH/mpich2-1.4.1p1
> 
> and I've got this error,
> 
>                    UNABLE to EXECUTE BINARIES for config/configure.py
> ---------------------------------------------------------------------------------------
> [Errno 16] Device or resource busy: 'conftest.exe'
> 
> This error seems to happen pretty randomly at differente places in the script.
> Any idea to solve this problem?
> Thank you all

   This is due to bad interactions between cygwin and windows. First try rebooting.  Next have as little other load on the machine as possible.

   Barry

> 
> Fabio