[Pw_forum] Can't run any example in QE v4.0.4

Gabriele Sclauzero sclauzer at sissa.it
Mon Mar 30 16:25:47 CEST 2009

Abdulrafiu RAJI wrote:
> Dear users,
> I have just downloaded QE v4.0.4. After successful compilation on my AMD dual- processor, I tried to run some examples in the code. But each time I do this, the following error messages are reported, and this is case of may examples that I have tried :
> running cp.x as: mpirun -np 2 /home/araji/Codes/espresso-4.0.5/bin/cp.x
> cleaning /home/araji/tmp... done
> running the calculation with fixed ions..../run_example: line 131: mpirun: command not found
> How do I handle this? 

You have to find out where the mpirun command has been hidden... for sure not in the QE 
folder :-)

Seriously: this is not a QE issue, you have to find out why your parallel environment has 
not been setup properly. You may simply need to load a module, if you're working on a 
cluster with modules, or at worst reinstall your parallel implementation ;-)

If you want to compile a serial version on a multi-core machine, try
./configure --disable-parallel


> I should mention that I have been able to run the examples on earlier versions, v.4.0.3, e.t.c, without any hitch.
> Thanks for your attention.
> Abdulrafiu Tunde Raji. Physics Department. University of Cape Town. South Africa.
> Raji Abdulrafiu Tunde,
> Department of Physics,
> University of Cape Town (RW James Bld.),Private Bag X3,
> Rondebosch 7701,
> Cape Town. South Africa.
> Office number : Rm. 522
> Cell:  +27722668228
> Fax:   +27216503342
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| Gabriele Sclauzero, PhD Student                  |
| c/o:   SISSA & CNR-INFM Democritos,              |
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