[FLASH-BUGS] FLASH 2.2 bugs

[Sean Matt]

I forgot to mention that the problem runs for a few seconds, writes the 
first checkpoint file, gives some multigrid non-converging warnings, then 
crashes.  Here's some of the screen output:

  INITIAL TIMESTEP =   1.000000000000000E-004
 *** Wrote output to evrardhdf5_chk_0000
 number of variables found for plotfile storage =            4
 dens pres velx temp
 *** Wrote output to evrardhdf5_plt_cnt_0000 ***
 multigrid:  WARNING:  V-cycles not converging
 multigrid:  WARNING:  V-cycles not converging
 multigrid:  WARNING:  V-cycles not converging
 multigrid:  WARNING:  V-cycles not converging
 multigrid:  WARNING:  V-cycles not converging
 multigrid:  WARNING:  V-cycles not converging
 multigrid:  WARNING:  V-cycles not converging
 multigrid:  WARNING:  V-cycles not converging
forrtl: error (75): floating point exception
forrtl: error (75): floating point exception
forrtl: error (75): floating point exception
forrtl: error (75): floating point exception
   0: for__issue_diagnostic [0x12036f0a8]
   1: for__signal_handler [0x12036df10]
   2: __sigtramp [0x120438750]
   3: $modulehydro_1d$hydro_1d_    0: for__issue_diagnostic [0x12036f0a8]
   1: for__signal_handler [0x12036df10]
   2: __sigtramp [0x120438750]
   3: $modulemonot$monot_    0: for__issue_diagnostic [0x12036f0a8]
   1: for__signal_handler [0x12036df10]
   2: __sigtramp [0x120438750]
   3: $modulemonot$monot_    0: for__issue_diagnostic [0x12036f0a8]
   1: for__signal_handler [0x12036df10]
   2: __sigtramp [0x120438750]
   3: $modulemonot$monot_ [hydro_1d.F90: 341, 0x1200927f0]
   4: $modulehydrosweep$hydro_sweep_ [monot.F90: 68, 0x1200d77d0]
   4: $moduleintrfc$intrfc_ [monot.F90: 68, 0x1200d77d0]
   4: $moduleintrfc$intrfc_ [monot.F90: 68, 0x1200d77d0]
   4: $moduleintrfc$intrfc_ [hydro_sweep.F90: 381, 0x1200a7110]
   5: $hydro$hydro_3d_ [intrfc.F90: 253, 0x1200bdd00]

...

	-Sean

On Thu, 16 Jan 2003, Jonathan Dursi wrote:

> Hi, Sean:
> 
> Every time we use a new compiler, we end up finding a couple things in
> the code that the other compilers had let us get away with.  As Mike has
> mentioned, about a month ago we started using a Compaq ourselves, and
> found the first two runtime errors you had pointed out.  They're fixed,
> and will be part of the new incremental release which should be out soon.
> We hadn't seen the magnetic resistivity bug; that's fixed now too.
> 
> I've been running a few problems on a Compaq machine, though, and
> haven't seen that third runtime error you describe.  So that we can try
> to reproduce it, can you tell me what problem you were running and how
> long into the run it was before the error occured?  A flash.par and the
> setup information would be helpful.
> 
> 	- Jonathan
> 

-- 

_______________________________________________________________________
Sean P. Matt				     CITA National Fellow
phone: (905) 525-9140 x 23189		     Physics & Astronomy Dept.
http://www.astro.washington.edu/matt	     McMaster University
-----------------------------------------------------------------------