Error with -log_history

Barry Smith bsmith at mcs.anl.gov
Wed Feb 27 11:29:27 CST 2008


    Was the file opened? That is did you still get an empty file or a  
file with a few lines (if so please send
the lines to petsc-maint at mcs.anl.gov). Is there are problem on ONE  
process?

    Barry

On Feb 27, 2008, at 4:09 AM, Timothy Stitt wrote:

> Hi PETSc users/developers,
>
> I am having some difficulties with the -log_history option on  
> example PETSc codes at my local installation (FYI: Cray XT  
> architecture). When executing the ex2.c code (for example) on  
> multiple processors with the -log_history option I keep getting:
>
> Signal number 11 SEGV: Segmentation Violation, probably memory  
> access out of range
>
> The log history file is created though but contains the following:
>
> Petsc Release Version 2.3.3, Patch 3, Fri Jun 15 16:51:25 CDT 2007  
> HG revision: f051789beadcd36f77fb6111d20225e26ed7cc0d Wed Feb 27  
> 10:35:55 2008
> [8191]PETSC ERROR: [18945200]PETSC ERROR: [118163408]PETSC ERROR:  
> [118163408]PETSC ERROR: [118163408]PETSC ERROR: [118163408]PETSC  
> ERROR: [118163408]PETSC ERROR: [59]PETSC ER
> ROR: [118163408]PETSC ERROR: [118163408]PETSC ERROR:  
> [118163408]PETSC ERROR: [118163408]PETSC ERROR: [118163408]PETSC  
> ERROR: [118163408]PETSC ERROR: [118163408]PETSC ERROR: [
> 23118368]PETSC ERROR: [118163408]PETSC ERROR: [118163408]PETSC  
> ERROR: [118163408]PETSC ERROR: [118163408]PETSC ERROR:  
> [19014780]PETSC ERROR:
>
> Without the -log_history option the code runs as expected.
>
> Is this a build/architecture issue at my end?
>
> Thanks in advance for any advice given.
>
> Tim.
>
> -- 
> Timothy Stitt
> HPC Applications Analyst
>
> Swiss National Supercomputing Centre (CSCS)
> Galleria 2 - Via Cantonale
> CH-6928 Manno, Switzerland
>
> +41 (0) 91 610 8233
> stitt at cscs.ch
>




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