[SIESTA-L] can not do OrderN with K-points

[sonu kumar]

hi dear all,


i am doing a FC run over a system with 189 atoms in the unit cell (formed by
making use of Supercell).

but i got the error.....probably bcoz of memory?

can anybody help me.?

last part of my output file is:

siesta:                 ==============================
                            Begin FC step =      0
                            Undisplaced coordinates
                        ==============================

superc: Internal auxiliary supercell:     2 x     2 x     2  =       8
superc: Number of atoms, orbitals, and projectors:   1512 17928 22680

outcell: Unit cell vectors (Ang):
       15.510000    0.000000    0.000000
       10.062640   11.802645    0.000000
       10.062640    4.643694   10.850486

outcell: Cell vector modules (Ang)   :   15.510000   15.509969   15.509792
outcell: Cell angles (23,13,12) (deg):     49.5514     49.5494     49.5499
outcell: Cell volume (Ang**3)        :   1986.2793

InitMesh: MESH =   192 x   192 x   192 =     7077888
InitMesh: Mesh cutoff (required, used) =   500.000   553.018 Ry

* Maximum dynamic memory allocated =   880 MB
*Cannot do O(N) with k-points.*
Stopping Program from Node:    0
forrtl: severe (174): SIGSEGV,* segmentation fault occurred*
Image              PC                Routine            Line        Source
*libc.so.6*          00007FDBED094A04  Unknown               Unknown
Unknown
siesta             00000000006E37B3  Unknown                    Unknown
Unknown
siesta             0000000000629ACF  Unknown                   Unknown
Unknown
siesta             000000000056DC54  Unknown                   Unknown
Unknown
siesta             000000000052930E  Unknown                    Unknown
Unknown
siesta             0000000000403B7C  Unknown                   Unknown
Unknown
libc.so.6          00007FDBED036586  Unknown                Unknown  Unknown
*
*siesta             0000000000403A79  Unknown                   Unknown
Unknown




1009u