[Pw_forum] permission denied while using pw.x

[O. Baris Malcioglu]

Dear Elie,

Did you compile PWSCF in cygwin or are you trying to use a precompiled
binary? The binaries compiled are not interoperable between different
kernels (i.e. you can not copy a binary from "linux" to "windows"),
and CYGWIN is just a compilation of GNU tools for windows kernel, it
is not "linux".

If you want to use precompiled "linux" binaries in "windows"
environment there are distros that emulate linux kernel under windows
kernel. One example is cooperative linux, (http://www.colinux.org/).
The results are not guaranteed, and not very performing to say the
least, but I used to compile pwscf 3.x in it for people with a strong
preference of windows desktop.

Please notice that that this kind of virtualization is not officially
supported by PWSCF, and you may end up with strange errors. I strongly
suggest you using a proper linux kernel for production.

Best,
Baris


2010/2/25 Elie Moujaes <elie.moujaes at hotmail.co.uk>:
> Dear All,
>
> I am trying to run the code pw.x on cygwin but I am getting an error like
> permission denied. So i tried to check if all things were going ok, so I
> typed:
>
> ./check-pw.x.j
>
> and the operation was aborted with the message:
>
> /espresso-4.1.2/bin/pw.x: permission denied. FAILURE with error condition!
>
> Wjhat is the source of the error and how can it be fixed??
>
> Thanks
>
>
> Regards
>
>
>
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