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  • SWIFT
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  • #333
Closed
Open
Issue created Jul 27, 2017 by Loic Hausammann@lhausammannDeveloper

Seg Fault when no particles in cells with hydro + grav

Version : 0.5.0

Revision: v0.5.0-879-g56d1a511-dirty, Branch: master, Date: 2017-07-20 15:47:37 +0100

Webpage : www.swiftsim.com

Config. options: '--with-metis=/ssoft/spack/lafnetscha/opt/spack/x86_E5v2_IntelIB/intel-16.0.3/metis-5.1.0-l5aiij6wjuifmuzdwtuh3f2qrnbsjk3d --enable-debug=yes'

Compiler: ICC, Version: 16.0.20160415

CFLAGS : '-g -O0 -I/ssoft/spack/lafnetscha/opt/spack/x86_E5v2_IntelIB/intel-16.0.3/metis-5.1.0-l5aiij6wjuifmuzdwtuh3f2qrnbsjk3d/include -I/home/lhausamm/local/include -L/home/lhausamm/local/lib -debug inline-debug-info -O3 -ansi_alias -xCORE-AVX-I -w2 -Wunused-variable -Werror'

HDF5 library version: 1.8.16

FFTW library version: 3.x (details not available)

[00000.0] main: CPU frequency used for tick conversion: 2600054218 Hz

[00000.0] main: Running on: deneb1

[00000.0] main: sizeof(part) is 128 bytes.

[00000.0] main: sizeof(xpart) is 64 bytes.

[00000.0] main: sizeof(spart) is 64 bytes.

[00000.0] main: sizeof(gpart) is 96 bytes.

[00000.0] main: sizeof(multipole) is 152 bytes.

[00000.0] main: sizeof(grav_tensor) is 280 bytes.

[00000.0] main: sizeof(task) is 64 bytes.

[00000.0] main: sizeof(cell) is 544 bytes.

[00000.0] main: Reading runtime parameters from file 'params.yml'

[00000.0] main: Reading ICs from file 'agora.hdf5'

[00000.0] read_ic_single: IC and internal units match. No conversion needed.

[00000.0] read_ic_single: Ngas: 100000

[00000.1] main: Reading initial conditions took 55.934 ms.

[00000.1] main: Read 100000 gas particles, 0 star particles and 312500 gparts from the ICs.

[00000.1] main: space_init took 14.810 ms.

[00000.1] main: space dimensions are [ 1235.882 1235.882 1235.882 ].

[00000.1] main: space is periodic.

[00000.1] main: highest-level cell dimensions are [ 12 12 12 ].

[00000.1] main: 100000 parts in 1728 cells.

[00000.1] main: 312500 gparts in 1728 cells.

[00000.1] main: 0 sparts in 1728 cells.

[00000.1] main: maximum depth is 0.

[00000.1] engine_init: no processor affinity used

[00000.1] engine_policy: engine policies are [ steal keep numa_affinity hydro self_gravity ]

[00000.1] hydro_props_print: Equation of state: Ideal gas.

[00000.1] hydro_props_print: Adiabatic index gamma: 1.666667.

[00000.1] hydro_props_print: Hydrodynamic scheme: Gadget-2 version of SPH (Springel 2005) in 3D.

[00000.1] hydro_props_print: Hydrodynamic kernel: Cubic spline (M4) with eta=1.234800 (48.00 neighbours).

[00000.1] hydro_props_print: Hydrodynamic tolerance in h: 0.00010 (+/- 0.0144 neighbours).

[00000.1] hydro_props_print: Hydrodynamic integration: CFL parameter: 0.1000.

[00000.1] hydro_props_print: Hydrodynamic integration: Max change of volume: 1.40 (max|dlog(h)/dt|=0.112157).

[00000.1] hydro_props_print: Maximal smoothing length allowed: 10.0000

[00000.1] gravity_props_print: Self-gravity scheme: FMM-MM with m-poles of order 4

[00000.1] gravity_props_print: Self-gravity time integration: eta=0.0250

[00000.1] gravity_props_print: Self-gravity opening angle: theta=0.7000

[00000.1] gravity_props_print: Self-gravity softening: epsilon=0.3000 (Plummer equivalent: 0.1000)

[00000.1] gravity_props_print: Self-gravity MM smoothing-scale: a_smooth=1.250000

[00000.1] gravity_props_print: Self-gravity MM cut-off: r_cut=4.500000

[00000.1] engine_init: Absolute minimal timestep size: 9.714451e-17

[00000.1] engine_init: Minimal timestep size (on time-line): 6.675720e-06

[00000.1] engine_init: Maximal timestep size (on time-line): 6.835938e-03

[New Thread 0x7ffff1545700 (LWP 5713)]

[00000.1] main: engine_init took 2.243 ms.

[00000.1] main: Running on 100000 gas particles, 0 star particles and 212500 DM particles (312500 gravity particles)

[00000.1] main: from t=0.000e+00 until t=1.400e+01 with 1 threads and 1 queues (dt_min=1.000e-05, dt_max=1.000e-02)...

[00000.1] engine_init_particles: Computing initial gas densities.

Program received signal SIGFPE, Arithmetic exception.

0x000000000042d69f in scheduler_splittask_hydro (t=0xe, s=0x7fffffff9790) at scheduler.c:214

214 ci->count * sid_scale[sid] < space_subsize_pair / cj->count &&

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