[bddcml-users] Segmentation fault

bnjiang2013 at 163.com
Mon Sep 14 08:39:14 CEST 2015


Dear Prof. Sistek:
Please let me know how to solve the following problem?
Thank you.
Bonan Jiang



stack size              (kbytes, -s) unlimited
cpu time               (seconds, -t) unlimited
max user processes              (-u) 126889
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited
bnjiang at 510p:~/bddcml/examples$ mpirun -np 4 ./poisson_on_cube 4 4 2
 ===========Possion on cube solver===========
| Solves problem                             |
|        -/\u = 1 on D = [0,1]^3,            |
|           u = 0 on dD,                     |
| using FEM and the BDDCML solver.           |
 ============================================
 Characteristics of the problem :
   number of processors            nproc =           4
   number of dimensions             ndim =           3
   mesh dimension                meshdim =           3
   number of elements global       nelem =        4096
   number of subdomains             nsub =          64
   number of nodes global           nnod =        4913
   number of DOF                    ndof =        4913
   number of levels              nlevels =           2
   number of subdomains in levels        =          64           1
 Characteristics of iterational process:
   tolerance of error                tol =   9.9999999999999995E-007
   maximum number of iterations    maxit =         500
   number of incresing residual ndecrmax =          50
   using recycling of Krylov method ?                1
Initializing BDDCML ...
Initializing BDDCML done.
Loading data ...
Loading data done.
Preconditioner set-up ...
LEVELS_PC_SETUP: ==========================================
LEVELS_PC_SETUP: Entering BDDCML library                   
LEVELS_PC_SETUP: ==========================================
LEVELS_PC_SETUP: problem properties:                       
LEVELS_PC_SETUP: number of unknowns:         4913
LEVELS_PC_SETUP: number of nodes:            4913
LEVELS_PC_SETUP: number of elements:         4096
LEVELS_PC_SETUP: number of subdomains:         64
LEVELS_PC_SETUP: number of processors:          4
LEVELS_PC_SETUP: number of levels:          2
LEVELS_PC_SETUP: number of subdomains at levels:         64
LEVELS_PC_SETUP: number of subdomains at levels:          1
LEVELS_PC_SETUP: using mode with PER-SUBDOMAIN data loading
LEVELS_PC_SETUP: ==========================================
DD_CREATE_GLOBS:    Total size of interface problem:
DD_CREATE_GLOBS:     number of unknowns on interface  =        2169
DD_CREATE_GLOBS:     number of nodes on interface     =        2169
DD_CREATE_GLOBS:    The following globs were recognized:
DD_CREATE_GLOBS:     nface   =         144
DD_CREATE_GLOBS:     nedge   =         108
DD_CREATE_GLOBS:     ncorner =         117

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

Backtrace for this error:

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

Backtrace for this error:

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

Backtrace for this error:

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

Backtrace for this error:
#0  0x2AD6F1E9C547
#1  0x2AD6F1E9CB4E
#0  0x2ABCE98E7547
#0  0x2AE46DD88547
#1  0x2AE46DD88B4E
#0  0x2AB3D14DE547
#1  0x2AB3D14DEB4E
#2  0x2AB3D1F4214F
#2  0x2AD6F290014F
#3  0x2AD6F1C1BDF1
#1  0x2ABCE98E7B4E
#2  0x2AE46E7EC14F
#3  0x2AE46DB07DF1
#4  0x2AE46D8AEB57
#5  0x2AE46B14F686
#3  0x2AB3D125DDF1
#4  0x2AB3D1004B57
#5  0x2AB3CE8A5686
#4  0x2AD6F19C2B57
#5  0x2AD6EF263686
#2  0x2ABCEA34B14F
#3  0x2ABCE9666DF1
#4  0x2ABCE940DB57
#5  0x2ABCE6CAE686
#6  0x4981C4 in __module_mumps_MOD_mumps_init
#6  0x4981C4 in __module_mumps_MOD_mumps_init
#6  0x4981C4 in __module_mumps_MOD_mumps_init
#7  0x59AA06 in __module_dd_MOD_dd_prepare_schur
#7  0x59AA06 in __module_dd_MOD_dd_prepare_schur
#6  0x4981C4 in __module_mumps_MOD_mumps_init
#8  0x47A537 in __module_levels_MOD_levels_prepare_standard_level
#8  0x47A537 in __module_levels_MOD_levels_prepare_standard_level
#7  0x59AA06 in __module_dd_MOD_dd_prepare_schur
#7  0x59AA06 in __module_dd_MOD_dd_prepare_schur
#9  0x483DD8 in __module_levels_MOD_levels_pc_setup
#9  0x483DD8 in __module_levels_MOD_levels_pc_setup
#8  0x47A537 in __module_levels_MOD_levels_prepare_standard_level
#10  0x41A045 in __module_bddcml_MOD_bddcml_setup_preconditioner
#11  0x416511 in MAIN__ at poisson_on_cube.f90:0
#10  0x41A045 in __module_bddcml_MOD_bddcml_setup_preconditioner
#11  0x416511 in MAIN__ at poisson_on_cube.f90:0
#9  0x483DD8 in __module_levels_MOD_levels_pc_setup
#8  0x47A537 in __module_levels_MOD_levels_prepare_standard_level
#9  0x483DD8 in __module_levels_MOD_levels_pc_setup
#10  0x41A045 in __module_bddcml_MOD_bddcml_setup_preconditioner
#11  0x416511 in MAIN__ at poisson_on_cube.f90:0
#10  0x41A045 in __module_bddcml_MOD_bddcml_setup_preconditioner
#11  0x416511 in MAIN__ at poisson_on_cube.f90:0
--------------------------------------------------------------------------
mpirun noticed that process rank 1 with PID 5761 on node 510p exited on signal 11 (Segmentation fault).
--------------------------------------------------------------------------
bnjiang at 510p:~/bddcml/examples$

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