[petsc-dev] crash inside PetscVFPrintfDefault on using -help

[Jed Brown]

On Mon, Jul 9, 2012 at 12:02 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Looks like there are a couple of these uninitialized or improperly
> initialized cases in valgrind ./exX -help. I'll look at them and patch
> petsc-3.3. Thanks.


http://petsc.cs.iit.edu/petsc/releases/petsc-3.3/rev/2189e73a0652


>
>
> On Sun, Jul 8, 2012 at 4:23 PM, Chetan Jhurani <chetan.jhurani at gmail.com>wrote:
>
>> Hi,
>>
>> PetscVFPrintfDefault crashes on using -help on command line
>> due to bad function arguments.
>>
>> Tried this using src/snes/examples/tutorials/ex19, and
>> petsc-dev nightly and petsc-3.3-p1.  The stack is given below
>> and the code is not valgrind clean.  The debugger told
>> me that in src/ksp/ksp/interface/itcl.c and on this line
>> ksp->pc_side is -1.
>>
>>    ierr = PetscOptionsEList("-ksp_pc_side","KSP preconditioner side",
>>
>> "KSPSetPCSide",PCSides,3,PCSides[ksp->pc_side],&indx,&flg);CHKERRQ(ierr);
>>
>> Stack:
>>
>> ..... [help skipped]
>>
>>   -ksp_monitor_draw_true_residual: <FALSE> Monitor graphically true
>> residual norm (KSPMonitorSet)
>>   -ksp_monitor_range_draw: <FALSE> Monitor graphically range of
>> preconditioned residual norm (KSPMonitorSet)
>>   -ksp_monitor_ams: <FALSE> Publish KSP progress using AMS (KSPMonitorSet)
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation,
>> probably memory access out of range
>> [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger
>> [0]PETSC ERROR: or see
>> http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind[0]PETSCERROR: or try
>> http://valgrind.org on
>> GNU/linux and Apple Mac OS X to find memory corruption errors
>> [0]PETSC ERROR: likely location of problem given in stack below
>> [0]PETSC ERROR: ---------------------  Stack Frames
>> ------------------------------------
>> [0]PETSC ERROR: Note: The EXACT line numbers in the stack are not
>> available,
>> [0]PETSC ERROR:       INSTEAD the line number of the start of the function
>> [0]PETSC ERROR:       is given.
>> [0]PETSC ERROR: [0] PetscVFPrintfDefault line 197 src/sys/fileio/mprint.c
>> [0]PETSC ERROR: [0] PetscHelpPrintfDefault line 607
>> src/sys/fileio/mprint.c
>> [0]PETSC ERROR: [0] PetscOptionsEList line 967 src/sys/objects/aoptions.c
>> [0]PETSC ERROR: [0] KSPSetFromOptions line 382
>> src/ksp/ksp/interface/itcl.c
>> [0]PETSC ERROR: [0] SNESSetFromOptions line 540 src/snes/interface/snes.c
>> [0]PETSC ERROR: --------------------- Error Message
>> ------------------------------------
>> [0]PETSC ERROR: Signal received!
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: Petsc Development HG revision:
>> 13f423daabbd83291cd7dca6481f7cffb49b7019  HG Date: Sat Jul 07 21:50:45 2012
>> -0500
>> [0]PETSC ERROR: See docs/changes/index.html for recent updates.
>> [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
>> [0]PETSC ERROR: See docs/index.html for manual pages.
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: ./ex19 on a test_cras named mg1.txcorp.com by jhurani
>> Sun Jul  8 18:15:50 2012
>> [0]PETSC ERROR: Libraries linked from
>> /scr_0/jhurani/builds/crash/petsc-dev/test_crash/lib
>> [0]PETSC ERROR: Configure run at Sun Jul  8 18:12:46 2012
>> [0]PETSC ERROR: Configure options --with-clanguage=C++ --with-c-support=1
>> --with-fortran=0 --with-debugging=yes
>> [0]PETSC ERROR:
>> ------------------------------------------------------------------------
>> [0]PETSC ERROR: User provided function() line 0 in unknown directory
>> unknown file
>> --------------------------------------------------------------------------
>>
>> Chetan
>>
>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120710/9ae66f2b/attachment.html>