[Pw_forum] problem with bands.x

[Krishna chaitanya]

Dear forum members

Before going to band structurecalculation of actual system, I wanted to try
some tutorials and found example at *
http://people.sissa.it/~degironc/QE-Tutorial/examples_pwscf_ex.tgz*
*
*
The first few steps went smoothly for silicon. But when I tried for bands.x
it is showing the following error message without adding single line to
bands.out.

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

Backtrace for this error:
#0  0x2B8949244F27
#1  0x2B89492454F4
#2  0x3D036302CF
#3  0x2B894A53B270
#4  0x2B894825748C
#5  0x2B89473DC47D
#6  0x411782 in cgracsc_ at cgracsc.f90:67
#7  0x4084D8 in punch_band_ at bands.f90:331
#8  0x40951E in do_bands at bands.f90:112

[1]+  Segmentation fault      ../bin/bands.x < bands.in > bands.out

Please suggest me how to solve this problem.

-- 
With Best Regards

Dr. G. Krishna Chaitanya
Assistant Professor
School of Chemical Sciences
SRTM University
Nanded-431 606
India.
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