[Pw_forum] Help about bands.x

Faridul Isalm faridul at email.com
Sat Jan 12 18:25:02 CET 2008

Dear Sir,
I do hope you are fine and well. When I run bands.x <bands.in> bands.out, then I have following problems:
1) at the bands.out file I got the following lines only:

     Program POST-PROC v.3.2.3  starts ...
     Today is 12Jan2008 at 23: 4:34 

     nbndx  =    34  nbnd   =    34  natomwfc =    91  npwx   =    3109
     nelec  =  56.00  nkb   =    56  ngl    =    2793

                    xk=(   0.50000,   0.50000,   0.50000  )

     point group C_1 (1)    
     there are  1 classes
     the character table:
A      1.00
2} there are other 3 files are created (a) AlAs.band.dat.rap (it is empty), (b) bands.x.stackdump, that contains:
Exception: STATUS_ACCESS_VIOLATION at eip=6A4983A4
eax=00000040 ebx=7F1DA9C0 ecx=00000010 edx=00000BE7 esi=A880FDD0 edi=00000001
ebp=002282C0 esp=002282A4 program=C:\cygwin\home\dk\espresso\PP\bands.x, pid 1240, thread main
cs=001B ds=0023 es=0023 fs=003B gs=0000 ss=0023
Stack trace:
Frame     Function  Args
002282C0  6A4983A4  (002283A8, 01D75110, A880FDD0, 002283FC)
00228428  00428690  (7F850020, 01FFE3B0, 00776280, 01D75108)
0022C948  00427ABA  (0022CB74, 0022CCAC, 0022CCB4, 0022CCB8)
0022CCC8  00401316  (00000001, 6116A950, 005681F0, 00568203)
0022CCE8  00568226  (00000001, 6116A950, 01FF0090, 00000000)
0022CD98  61006198  (00000000, 0022CDD0, 61005510, 0022CDD0)
61005510  61004416  (0000009C, A02404C7, E8611021, FFFFFF48)
     10 [main] bands.x 1240 _cygtls::handle_exceptions: Error while dumping state (probably corrupted stack)
and (c) and a dat file.
why a and b files are created, How can i slove these problems.
Please help me to solve these problems.
I am looking forward to hearing from you.
Thank you for your time.
A.K.Md Farid ul Islam

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