[petsc-users] Problems running ex12.c
Miguel Angel Salazar de Troya
salazardetroya at gmail.com
Sat Mar 15 16:16:54 CDT 2014
Thanks a lot.
On Sat, Mar 15, 2014 at 3:36 PM, Matthew Knepley <knepley at gmail.com> wrote:
> On Sat, Mar 15, 2014 at 3:31 PM, Miguel Angel Salazar de Troya <
> salazardetroya at gmail.com> wrote:
>
>> Hello everybody
>>
>> I keep trying to understand this example. I don't have any problems with
>> this example when I run it like this:
>>
>> [salaza11 at maya PETSC]$ ./ex12 -bc_type dirichlet -interpolate
>> -petscspace_order 1 -variable_coefficient nonlinear -dim 2 -run_type full
>> -show_solution
>> Number of SNES iterations = 5
>> L_2 Error: 0.107289
>> Solution
>> Vec Object: 1 MPI processes
>> type: seq
>> 0.484618
>>
>> However, when I change the boundary conditions to Neumann, I get this
>> error.
>>
>> [salaza11 at maya PETSC]$ ./ex12 -bc_type neumann -interpolate 1
>> -petscspace_order 2 -variable_coefficient nonlinear -dim 2 -run_type full
>> -show_solution
>>
>
> Here you set the order of the element used in bulk, but not on the
> boundary where you condition is, so it defaults to 0. In
> order to become more familiar, take a look at the tests that I run here:
>
>
> https://bitbucket.org/petsc/petsc/src/64715f0f033346c10c77b73cf58216d111db8789/config/builder.py?at=master#cl-216
>
> Matt
>
> [0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: Petsc has generated inconsistent data
>> [0]PETSC ERROR: Number of dual basis vectors 0 not equal to dimension 1
>> [0]PETSC ERROR: See http://
>> http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
>> [0]PETSC ERROR: Petsc Development GIT revision: v3.4.3-4776-gb18359b GIT
>> Date: 2014-03-04 10:53:30 -0600
>> [0]PETSC ERROR: ./ex12 on a linux-gnu-c-debug named maya by salaza11 Sat
>> Mar 15 14:28:05 2014
>> [0]PETSC ERROR: Configure options --download-mpich
>> --download-scientificpython --download-triangle --download-ctetgen
>> --download-chaco --with-c2html=0
>> [0]PETSC ERROR: #1 PetscDualSpaceSetUp_Lagrange() line 1763 in
>> /home/salaza11/petsc/src/dm/dt/interface/dtfe.c
>> [0]PETSC ERROR: #2 PetscDualSpaceSetUp() line 1277 in
>> /home/salaza11/petsc/src/dm/dt/interface/dtfe.c
>> [0]PETSC ERROR: #3 SetupElementCommon() line 474 in
>> /home/salaza11/workspace/PETSC/ex12.c
>> [0]PETSC ERROR: #4 SetupBdElement() line 559 in
>> /home/salaza11/workspace/PETSC/ex12.c
>> [0]PETSC ERROR: #5 main() line 755 in
>> /home/salaza11/workspace/PETSC/ex12.c
>> [0]PETSC ERROR: ----------------End of Error Message -------send entire
>> error message to petsc-maint at mcs.anl.gov----------
>> application called MPI_Abort(MPI_COMM_WORLD, 77) - process 0
>> [unset]: aborting job:
>> application called MPI_Abort(MPI_COMM_WORLD, 77) - process 0
>>
>> I honestly do not know much about using dual spaces in a finite element
>> context. I have been trying to find some material that could help me
>> without much success. I tried to modify the dual space order with the
>> option -petscdualspace_order but I kept getting errors. In particular, I
>> got this when I set it to 1.
>>
>> [salaza11 at maya PETSC]$ ./ex12 -bc_type neumann -interpolate 1
>> -petscspace_order 2 -variable_coefficient nonlinear -dim 2 -run_type full
>> -show_solution -petscdualspace_order 1
>> [0]PETSC ERROR: PetscTrFreeDefault() called from PetscFESetUp_Basic()
>> line 2492 in /home/salaza11/petsc/src/dm/dt/interface/dtfe.c
>> [0]PETSC ERROR: Block [id=0(32)] at address 0x1cc32f0 is corrupted
>> (probably write past end of array)
>> [0]PETSC ERROR: Block allocated in PetscFESetUp_Basic() line 2483 in
>> /home/salaza11/petsc/src/dm/dt/interface/dtfe.c
>> [0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: Memory corruption:
>> http://www.mcs.anl.gov/petsc/documentation/installation.html#valgrind
>> [0]PETSC ERROR: Corrupted memory
>> [0]PETSC ERROR: See http://
>> http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
>> [0]PETSC ERROR: Petsc Development GIT revision: v3.4.3-4776-gb18359b GIT
>> Date: 2014-03-04 10:53:30 -0600
>> [0]PETSC ERROR: ./ex12 on a linux-gnu-c-debug named maya by salaza11 Sat
>> Mar 15 14:37:34 2014
>> [0]PETSC ERROR: Configure options --download-mpich
>> --download-scientificpython --download-triangle --download-ctetgen
>> --download-chaco --with-c2html=0
>> [0]PETSC ERROR: #1 PetscTrFreeDefault() line 289 in
>> /home/salaza11/petsc/src/sys/memory/mtr.c
>> [0]PETSC ERROR: #2 PetscFESetUp_Basic() line 2492 in
>> /home/salaza11/petsc/src/dm/dt/interface/dtfe.c
>> [0]PETSC ERROR: #3 PetscFESetUp() line 2126 in
>> /home/salaza11/petsc/src/dm/dt/interface/dtfe.c
>> [0]PETSC ERROR: #4 SetupElementCommon() line 482 in
>> /home/salaza11/workspace/PETSC/ex12.c
>> [0]PETSC ERROR: #5 SetupElement() line 506 in
>> /home/salaza11/workspace/PETSC/ex12.c
>> [0]PETSC ERROR: #6 main() line 754 in
>> /home/salaza11/workspace/PETSC/ex12.c
>> [0]PETSC ERROR: ----------------End of Error Message -------send entire
>> error message to petsc-maint at mcs.anl.gov----------
>> application called MPI_Abort(MPI_COMM_WORLD, 1) - process 0
>> [unset]: aborting job:
>> application called MPI_Abort(MPI_COMM_WORLD, 1) - process 0
>> [salaza11 at maya PETSC]$
>>
>>
>> Then again, I do not know much what I am doing given my ignorance with
>> respect to the dual spaces in FE. I apologize for that. My questions are:
>>
>> - Where could I find more resources in order to understand the PETSc
>> implementation of dual spaces for FE?
>> - Why does it run with Dirichlet but not with Neumann?
>>
>> Thanks in advance.
>> Miguel.
>>
>>
>> On Tue, Mar 4, 2014 at 11:28 PM, Matthew Knepley <knepley at gmail.com>wrote:
>>
>>> On Tue, Mar 4, 2014 at 12:01 PM, Matthew Knepley <knepley at gmail.com>wrote:
>>>
>>>> On Tue, Mar 4, 2014 at 11:51 AM, Miguel Angel Salazar de Troya <
>>>> salazardetroya at gmail.com> wrote:
>>>>
>>>>> I can run it now, thanks. Although if I run it with valgrind 3.5.0
>>>>> (should I update to the last version?) I get some memory leaks related with
>>>>> the function DMPlexCreateBoxMesh.
>>>>>
>>>>
>>>> I will check it out.
>>>>
>>>
>>> This is now fixed.
>>>
>>> Thanks for finding it
>>>
>>> Matt
>>>
>>>
>>>> Thanks,
>>>>
>>>> Matt
>>>>
>>>>
>>>>> [salaza11 at maya tutorials]$ valgrind --leak-check=full ./ex12
>>>>> -run_type test -refinement_limit 0.0 -bc_type dirichlet -interpolate 0
>>>>> -petscspace_order 1 -show_initial -dm_plex_print_fem 1
>>>>> ==9625== Memcheck, a memory error detector
>>>>> ==9625== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et
>>>>> al.
>>>>> ==9625== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright
>>>>> info
>>>>> ==9625== Command: ./ex12 -run_type test -refinement_limit 0.0 -bc_type
>>>>> dirichlet -interpolate 0 -petscspace_order 1 -show_initial
>>>>> -dm_plex_print_fem 1
>>>>> ==9625==
>>>>> Local function:
>>>>> Vec Object: 1 MPI processes
>>>>> type: seq
>>>>> 0
>>>>> 0.25
>>>>> 1
>>>>> 0.25
>>>>> 0.5
>>>>> 1.25
>>>>> 1
>>>>> 1.25
>>>>> 2
>>>>> Initial guess
>>>>> Vec Object: 1 MPI processes
>>>>> type: seq
>>>>> 0.5
>>>>> L_2 Error: 0.111111
>>>>> Residual:
>>>>> Vec Object: 1 MPI processes
>>>>> type: seq
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> Initial Residual
>>>>> Vec Object: 1 MPI processes
>>>>> type: seq
>>>>> 0
>>>>> L_2 Residual: 0
>>>>> Jacobian:
>>>>> Mat Object: 1 MPI processes
>>>>> type: seqaij
>>>>> row 0: (0, 4)
>>>>> Residual:
>>>>> Vec Object: 1 MPI processes
>>>>> type: seq
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> -2
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> 0
>>>>> Au - b = Au + F(0)
>>>>> Vec Object: 1 MPI processes
>>>>> type: seq
>>>>> 0
>>>>> Linear L_2 Residual: 0
>>>>> ==9625==
>>>>> ==9625== HEAP SUMMARY:
>>>>> ==9625== in use at exit: 288 bytes in 3 blocks
>>>>> ==9625== total heap usage: 2,484 allocs, 2,481 frees, 1,009,287
>>>>> bytes allocated
>>>>> ==9625==
>>>>> ==9625== 48 bytes in 1 blocks are definitely lost in loss record 1 of 3
>>>>> ==9625== at 0x4A05E46: malloc (vg_replace_malloc.c:195)
>>>>> ==9625== by 0x5D8D4E1: writepoly (triangle.c:12012)
>>>>> ==9625== by 0x5D8FAAC: triangulate (triangle.c:13167)
>>>>> ==9625== by 0x56B0884: DMPlexGenerate_Triangle (plex.c:3749)
>>>>> ==9625== by 0x56B5EE4: DMPlexGenerate (plex.c:4503)
>>>>> ==9625== by 0x567F414: DMPlexCreateBoxMesh (plexcreate.c:668)
>>>>> ==9625== by 0x4051FA: CreateMesh (ex12.c:341)
>>>>> ==9625== by 0x408D3D: main (ex12.c:651)
>>>>> ==9625==
>>>>> ==9625== 96 bytes in 1 blocks are definitely lost in loss record 2 of 3
>>>>> ==9625== at 0x4A05E46: malloc (vg_replace_malloc.c:195)
>>>>> ==9625== by 0x5D8D485: writepoly (triangle.c:12004)
>>>>> ==9625== by 0x5D8FAAC: triangulate (triangle.c:13167)
>>>>> ==9625== by 0x56B0884: DMPlexGenerate_Triangle (plex.c:3749)
>>>>> ==9625== by 0x56B5EE4: DMPlexGenerate (plex.c:4503)
>>>>> ==9625== by 0x567F414: DMPlexCreateBoxMesh (plexcreate.c:668)
>>>>> ==9625== by 0x4051FA: CreateMesh (ex12.c:341)
>>>>> ==9625== by 0x408D3D: main (ex12.c:651)
>>>>> ==9625==
>>>>> ==9625== 144 bytes in 1 blocks are definitely lost in loss record 3 of
>>>>> 3
>>>>> ==9625== at 0x4A05E46: malloc (vg_replace_malloc.c:195)
>>>>> ==9625== by 0x5D8CD20: writenodes (triangle.c:11718)
>>>>> ==9625== by 0x5D8F9DE: triangulate (triangle.c:13132)
>>>>> ==9625== by 0x56B0884: DMPlexGenerate_Triangle (plex.c:3749)
>>>>> ==9625== by 0x56B5EE4: DMPlexGenerate (plex.c:4503)
>>>>> ==9625== by 0x567F414: DMPlexCreateBoxMesh (plexcreate.c:668)
>>>>> ==9625== by 0x4051FA: CreateMesh (ex12.c:341)
>>>>> ==9625== by 0x408D3D: main (ex12.c:651)
>>>>> ==9625==
>>>>> ==9625== LEAK SUMMARY:
>>>>> ==9625== definitely lost: 288 bytes in 3 blocks
>>>>> ==9625== indirectly lost: 0 bytes in 0 blocks
>>>>> ==9625== possibly lost: 0 bytes in 0 blocks
>>>>> ==9625== still reachable: 0 bytes in 0 blocks
>>>>> ==9625== suppressed: 0 bytes in 0 blocks
>>>>> ==9625==
>>>>> ==9625== For counts of detected and suppressed errors, rerun with: -v
>>>>> ==9625== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 6 from 6)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Mon, Mar 3, 2014 at 7:05 PM, Matthew Knepley <knepley at gmail.com>wrote:
>>>>>
>>>>>> On Mon, Mar 3, 2014 at 4:59 PM, Miguel Angel Salazar de Troya <
>>>>>> salazardetroya at gmail.com> wrote:
>>>>>>
>>>>>>> You are welcome, thanks for your help.
>>>>>>>
>>>>>>
>>>>>> Okay, I have rebuilt completely clean, and ex12 runs for me. Can you
>>>>>> try again after pulling?
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Matt
>>>>>>
>>>>>>
>>>>>>> On Mon, Mar 3, 2014 at 4:13 PM, Matthew Knepley <knepley at gmail.com>wrote:
>>>>>>>
>>>>>>>> On Mon, Mar 3, 2014 at 1:44 PM, Miguel Angel Salazar de Troya <
>>>>>>>> salazardetroya at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Thanks. This is what I get.
>>>>>>>>>
>>>>>>>>
>>>>>>>> Okay, this was broken by a new push to master/next in the last few
>>>>>>>> days. I have pushed a fix,
>>>>>>>> however next is currently broken due to a failure to check in a
>>>>>>>> file. This should be fixed shortly,
>>>>>>>> and then ex12 will work. I will mail you when its ready.
>>>>>>>>
>>>>>>>> Thanks for finding this,
>>>>>>>>
>>>>>>>> Matt
>>>>>>>>
>>>>>>>>
>>>>>>>>> (gdb) cont
>>>>>>>>> Continuing.
>>>>>>>>>
>>>>>>>>> Program received signal SIGSEGV, Segmentation fault.
>>>>>>>>> 0x00007fd6811bea7b in DMPlexComputeJacobianFEM (dm=0x159a180,
>>>>>>>>> X=0x168b5b0,
>>>>>>>>> Jac=0x7fffae6e8a88, JacP=0x7fffae6e8a88, str=0x7fffae6e7970,
>>>>>>>>> user=0x7fd6811be509)
>>>>>>>>> at /home/salaza11/petsc/src/dm/impls/plex/plexfem.c:882
>>>>>>>>> 882 ierr = PetscFEGetDimension(fe[f], &Nb);CHKERRQ(ierr);
>>>>>>>>> (gdb) where
>>>>>>>>> #0 0x00007fd6811bea7b in DMPlexComputeJacobianFEM (dm=0x159a180,
>>>>>>>>> X=0x168b5b0,
>>>>>>>>> Jac=0x7fffae6e8a88, JacP=0x7fffae6e8a88, str=0x7fffae6e7970,
>>>>>>>>> user=0x7fd6811be509)
>>>>>>>>> at /home/salaza11/petsc/src/dm/impls/plex/plexfem.c:882
>>>>>>>>> #1 0x00007fd6814a5bf6 in SNESComputeJacobian_DMLocal
>>>>>>>>> (snes=0x14e9450,
>>>>>>>>> X=0x1622ad0, A=0x7fffae6e8a88, B=0x7fffae6e8a88, ctx=0x1652300)
>>>>>>>>> at /home/salaza11/petsc/src/snes/utils/dmlocalsnes.c:102
>>>>>>>>> #2 0x00007fd6814cc609 in SNESComputeJacobian (snes=0x14e9450,
>>>>>>>>> X=0x1622ad0,
>>>>>>>>> A=0x7fffae6e8a88, B=0x7fffae6e8a88)
>>>>>>>>> at /home/salaza11/petsc/src/snes/interface/snes.c:2245
>>>>>>>>> #3 0x000000000040af72 in main (argc=15, argv=0x7fffae6e8bc8)
>>>>>>>>> at /home/salaza11/petsc/src/snes/examples/tutorials/ex12.c:784
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Mon, Mar 3, 2014 at 1:40 PM, Matthew Knepley <knepley at gmail.com
>>>>>>>>> > wrote:
>>>>>>>>>
>>>>>>>>>> On Mon, Mar 3, 2014 at 1:39 PM, Miguel Angel Salazar de Troya <
>>>>>>>>>> salazardetroya at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> This is what I get at gdb when I type 'where'.
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> You have to type 'cont', and then when it fails you type 'where'.
>>>>>>>>>>
>>>>>>>>>> Matt
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>> #0 0x000000310e0aa860 in __nanosleep_nocancel () from
>>>>>>>>>>> /lib64/libc.so.6
>>>>>>>>>>> #1 0x000000310e0aa70f in sleep () from /lib64/libc.so.6
>>>>>>>>>>> #2 0x00007fd83a00a8be in PetscSleep (s=10)
>>>>>>>>>>> at /home/salaza11/petsc/src/sys/utils/psleep.c:52
>>>>>>>>>>> #3 0x00007fd83a06f331 in PetscAttachDebugger ()
>>>>>>>>>>> at /home/salaza11/petsc/src/sys/error/adebug.c:397
>>>>>>>>>>> #4 0x00007fd83a0af1d2 in PetscOptionsCheckInitial_Private ()
>>>>>>>>>>> at /home/salaza11/petsc/src/sys/objects/init.c:444
>>>>>>>>>>> #5 0x00007fd83a0b6448 in PetscInitialize (argc=0x7fff5cd8df2c,
>>>>>>>>>>> args=0x7fff5cd8df20, file=0x0,
>>>>>>>>>>> help=0x60ce40 "Poisson Problem in 2d and 3d with simplicial
>>>>>>>>>>> finite elements.\nWe solve the Poisson problem in a rectangular\ndomain,
>>>>>>>>>>> using a parallel unstructured mesh (DMPLEX) to discretize it.\n\n\n")
>>>>>>>>>>> at /home/salaza11/petsc/src/sys/objects/pinit.c:876
>>>>>>>>>>> #6 0x0000000000408f2c in main (argc=15, argv=0x7fff5cd8f1f8)
>>>>>>>>>>> at
>>>>>>>>>>> /home/salaza11/petsc/src/snes/examples/tutorials/ex12.c:663
>>>>>>>>>>>
>>>>>>>>>>> The rest of the gdb output is attached. I am a bit ignorant with
>>>>>>>>>>> gdb, I apologize for that.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Mon, Mar 3, 2014 at 12:48 PM, Matthew Knepley <
>>>>>>>>>>> knepley at gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> On Mon, Mar 3, 2014 at 12:39 PM, Miguel Angel Salazar de Troya
>>>>>>>>>>>> <salazardetroya at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Thanks for your response. Sorry I did not have the "next"
>>>>>>>>>>>>> version, but the "master" version. I still have an error though. I followed
>>>>>>>>>>>>> the steps given here (
>>>>>>>>>>>>> https://bitbucket.org/petsc/petsc/wiki/Home) to obtain the
>>>>>>>>>>>>> next version, I configured petsc as above and ran ex12 as above as well,
>>>>>>>>>>>>> getting this error:
>>>>>>>>>>>>>
>>>>>>>>>>>>> [salaza11 at maya tutorials]$ ./ex12 -run_type test
>>>>>>>>>>>>> -refinement_limit 0.0 -bc_type dirichlet -interpolate 0
>>>>>>>>>>>>> -petscspace_order 1 -show_initial -dm_plex_print_fem 1
>>>>>>>>>>>>> Local function:
>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0.25
>>>>>>>>>>>>> 1
>>>>>>>>>>>>> 0.25
>>>>>>>>>>>>> 0.5
>>>>>>>>>>>>> 1.25
>>>>>>>>>>>>> 1
>>>>>>>>>>>>> 1.25
>>>>>>>>>>>>> 2
>>>>>>>>>>>>> Initial guess
>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>> 0.5
>>>>>>>>>>>>> L_2 Error: 0.111111
>>>>>>>>>>>>> Residual:
>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> Initial Residual
>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>> 0
>>>>>>>>>>>>> L_2 Residual: 0
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> Okay, now run with -start_in_debugger, and give me a stack
>>>>>>>>>>>> trace using 'where'.
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>
>>>>>>>>>>>> Matt
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>> [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] DMPlexComputeJacobianFEM line 871
>>>>>>>>>>>>> /home/salaza11/petsc/src/dm/impls/plex/plexfem.c
>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESComputeJacobian_DMLocal line 94
>>>>>>>>>>>>> /home/salaza11/petsc/src/snes/utils/dmlocalsnes.c
>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNES user Jacobian function line 2244
>>>>>>>>>>>>> /home/salaza11/petsc/src/snes/interface/snes.c
>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESComputeJacobian line 2203
>>>>>>>>>>>>> /home/salaza11/petsc/src/snes/interface/snes.c
>>>>>>>>>>>>> [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>>>>> --------------------------------------------------------------
>>>>>>>>>>>>> [0]PETSC ERROR: Signal received
>>>>>>>>>>>>> [0]PETSC ERROR: See http://
>>>>>>>>>>>>> http://www.mcs.anl.gov/petsc/documentation/faq.html for
>>>>>>>>>>>>> trouble shooting.
>>>>>>>>>>>>> [0]PETSC ERROR: Petsc Development GIT revision:
>>>>>>>>>>>>> v3.4.3-4705-gfb6b3bc GIT Date: 2014-03-03 08:23:43 -0600
>>>>>>>>>>>>> [0]PETSC ERROR: ./ex12 on a linux-gnu-c-debug named maya by
>>>>>>>>>>>>> salaza11 Mon Mar 3 11:49:15 2014
>>>>>>>>>>>>> [0]PETSC ERROR: Configure options --download-mpich
>>>>>>>>>>>>> --download-scientificpython --download-triangle --download-ctetgen
>>>>>>>>>>>>> --download-chaco --with-c2html=0
>>>>>>>>>>>>> [0]PETSC ERROR: #1 User provided function() line 0 in unknown
>>>>>>>>>>>>> file
>>>>>>>>>>>>> application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0
>>>>>>>>>>>>> [unset]: aborting job:
>>>>>>>>>>>>> application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Sun, Mar 2, 2014 at 7:11 PM, Matthew Knepley <
>>>>>>>>>>>>> knepley at gmail.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Sun, Mar 2, 2014 at 6:54 PM, Miguel Angel Salazar de Troya
>>>>>>>>>>>>>> <salazardetroya at gmail.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Hi everybody
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> I am trying to run example ex12.c without much success. I
>>>>>>>>>>>>>>> specifically run it with the command options:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> We need to start narrowing down differences, because it runs
>>>>>>>>>>>>>> for me and our nightly tests. So, first can
>>>>>>>>>>>>>> you confirm that you are using the latest 'next' branch?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> ./ex12 -run_type test -refinement_limit 0.0 -bc_type
>>>>>>>>>>>>>>> dirichlet -interpolate 0 -petscspace_order 1 -show_initial
>>>>>>>>>>>>>>> -dm_plex_print_fem 1
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> And I get this output
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Local function:
>>>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 1
>>>>>>>>>>>>>>> 1
>>>>>>>>>>>>>>> 2
>>>>>>>>>>>>>>> 1
>>>>>>>>>>>>>>> 2
>>>>>>>>>>>>>>> 2
>>>>>>>>>>>>>>> 3
>>>>>>>>>>>>>>> Initial guess
>>>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>>>> L_2 Error: 0.625
>>>>>>>>>>>>>>> Residual:
>>>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> 0
>>>>>>>>>>>>>>> Initial Residual
>>>>>>>>>>>>>>> Vec Object: 1 MPI processes
>>>>>>>>>>>>>>> type: seq
>>>>>>>>>>>>>>> L_2 Residual: 0
>>>>>>>>>>>>>>> [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] DMPlexComputeJacobianFEM line 867
>>>>>>>>>>>>>>> /home/salaza11/petsc/src/dm/impls/plex/plexfem.c
>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESComputeJacobian_DMLocal line 94
>>>>>>>>>>>>>>> /home/salaza11/petsc/src/snes/utils/dmlocalsnes.c
>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNES user Jacobian function line 2244
>>>>>>>>>>>>>>> /home/salaza11/petsc/src/snes/interface/snes.c
>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESComputeJacobian line 2203
>>>>>>>>>>>>>>> /home/salaza11/petsc/src/snes/interface/snes.c
>>>>>>>>>>>>>>> [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>>>>>>> ------------------------------------
>>>>>>>>>>>>>>> [0]PETSC ERROR: Signal received!
>>>>>>>>>>>>>>> [0]PETSC ERROR:
>>>>>>>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>>>>>>>> [0]PETSC ERROR: Petsc Development GIT revision:
>>>>>>>>>>>>>>> v3.4.3-3453-g0a94005 GIT Date: 2014-03-02 13:12:04 -0600
>>>>>>>>>>>>>>> [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: ./ex12 on a linux-gnu-c-debug named maya by
>>>>>>>>>>>>>>> salaza11 Sun Mar 2 17:00:09 2014
>>>>>>>>>>>>>>> [0]PETSC ERROR: Libraries linked from
>>>>>>>>>>>>>>> /home/salaza11/petsc/linux-gnu-c-debug/lib
>>>>>>>>>>>>>>> [0]PETSC ERROR: Configure run at Sun Mar 2 16:46:51 2014
>>>>>>>>>>>>>>> [0]PETSC ERROR: Configure options --download-mpich
>>>>>>>>>>>>>>> --download-scientificpython --download-triangle --download-ctetgen
>>>>>>>>>>>>>>> --download-chaco --with-c2html=0
>>>>>>>>>>>>>>> [0]PETSC ERROR:
>>>>>>>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>>>>>>>> [0]PETSC ERROR: User provided function() line 0 in unknown
>>>>>>>>>>>>>>> file
>>>>>>>>>>>>>>> application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0
>>>>>>>>>>>>>>> [unset]: aborting job:
>>>>>>>>>>>>>>> application called MPI_Abort(MPI_COMM_WORLD, 59) - process 0
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Probably my problems could be on my configuration. I attach
>>>>>>>>>>>>>>> the configure.log. I ran ./configure like this
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> ./configure --download-mpich --download-scientificpython
>>>>>>>>>>>>>>> --download-triangle --download-ctetgen --download-chaco --with-c2html=0
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thanks a lot in advance.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Tue, Jan 28, 2014 at 10:37 AM, Matthew Knepley <
>>>>>>>>>>>>>>> knepley at gmail.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Tue, Jan 28, 2014 at 10:31 AM, Yaakoub El Khamra <
>>>>>>>>>>>>>>>> yelkhamra at gmail.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> If
>>>>>>>>>>>>>>>>> ./ex12 -run_type test -dim 3 -refinement_limit 0.0125
>>>>>>>>>>>>>>>>> -variable_coefficient field -interpolate 1 -petscspace_order 2
>>>>>>>>>>>>>>>>> -show_initial -dm_plex_print_fem
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> is for serial, any chance we can get the options to run in
>>>>>>>>>>>>>>>>> parallel?
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Just use mpiexec -n <procs>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Regards
>>>>>>>>>>>>>>>>> Yaakoub El Khamra
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On Fri, Jan 17, 2014 at 11:29 AM, Matthew Knepley <
>>>>>>>>>>>>>>>>> knepley at gmail.com> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> On Fri, Jan 17, 2014 at 11:06 AM, Jones,Martin Alexander
>>>>>>>>>>>>>>>>>> <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> ------------------------------
>>>>>>>>>>>>>>>>>>> *From:* Matthew Knepley [knepley at gmail.com]
>>>>>>>>>>>>>>>>>>> *Sent:* Friday, January 17, 2014 11:04 AM
>>>>>>>>>>>>>>>>>>> *To:* Jones,Martin Alexander
>>>>>>>>>>>>>>>>>>> *Cc:* petsc-users at mcs.anl.gov
>>>>>>>>>>>>>>>>>>> *Subject:* Re: [petsc-users] Problems running ex12.c
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> On Fri, Jan 17, 2014 at 11:00 AM, Jones,Martin
>>>>>>>>>>>>>>>>>>> Alexander <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> These examples all seem to run excepting the
>>>>>>>>>>>>>>>>>>>> following command,
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> ex12 -run_type test -dim 3 -refinement_limit 0.0125
>>>>>>>>>>>>>>>>>>>> -variable_coefficient field -interpolate 1 -petscspace_order 2
>>>>>>>>>>>>>>>>>>>> -show_initial -dm_plex_print_fem
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> I get the following ouput:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> ./ex12 -run_type test -dim 3 -refinement_limit 0.0125
>>>>>>>>>>>>>>>>>>>> -variable_coefficient field -interpolate 1 -petscspace_order 2
>>>>>>>>>>>>>>>>>>>> -show_initial -dm_plex_print_fem
>>>>>>>>>>>>>>>>>>>> Local function:
>>>>>>>>>>>>>>>>>>>> ./ex12: symbol lookup error:
>>>>>>>>>>>>>>>>>>>> /opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_intel_thread.so: undefined
>>>>>>>>>>>>>>>>>>>> symbol: omp_get_num_procs
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> This is a build problem, but it should affect all the
>>>>>>>>>>>>>>>>>>> runs. Is this reproducible? Can you send configure.log? MKL is the worst.
>>>>>>>>>>>>>>>>>>> If this
>>>>>>>>>>>>>>>>>>> persists, I would just switch to
>>>>>>>>>>>>>>>>>>> --download-f-blas-lapack.
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Thanks. I have some advice on options
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> --with-precision=single # I would not use this unless
>>>>>>>>>>>>>>>>>> you are doing something special, like CUDA
>>>>>>>>>>>>>>>>>> --with-clanguage=C++ # I would recommend switching to
>>>>>>>>>>>>>>>>>> C, the build is much faster
>>>>>>>>>>>>>>>>>> --with-mpi-dir=/usr --with-mpi4py=0
>>>>>>>>>>>>>>>>>> --with-shared-libraries --CFLAGS=-O0 --CXXFLAGS=-O0
>>>>>>>>>>>>>>>>>> --with-fc=0
>>>>>>>>>>>>>>>>>> --with-etags=1 # This is unnecessary
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> --with-blas-lapack-lib="[/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_rt.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_intel_thread.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_core.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libiomp5.so]"
>>>>>>>>>>>>>>>>>> # Here is the problem, see below
>>>>>>>>>>>>>>>>>> --download-metis
>>>>>>>>>>>>>>>>>> --download-fiat=yes --download-generator
>>>>>>>>>>>>>>>>>> --download-scientificpython # Get rid of these, they are obsolete
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Your MKL needs another library for the OpenMP symbols. I
>>>>>>>>>>>>>>>>>> would recommend switching to --download-f2cblaslapack,
>>>>>>>>>>>>>>>>>> or you can try and find that library.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> ------------------------------
>>>>>>>>>>>>>>>>>>>> *From:* Matthew Knepley [knepley at gmail.com]
>>>>>>>>>>>>>>>>>>>> *Sent:* Thursday, January 16, 2014 6:35 PM
>>>>>>>>>>>>>>>>>>>> *To:* Jones,Martin Alexander
>>>>>>>>>>>>>>>>>>>> *Cc:* petsc-users at mcs.anl.gov
>>>>>>>>>>>>>>>>>>>> *Subject:* Re: [petsc-users] Problems running ex12.c
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> On Thu, Jan 16, 2014 at 5:43 PM, Jones,Martin
>>>>>>>>>>>>>>>>>>>> Alexander <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Hi, This is the next error message after configuring
>>>>>>>>>>>>>>>>>>>>> and building with the triangle package when trying to run ex12
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> This is my fault for bad defaults. I will fix. Try
>>>>>>>>>>>>>>>>>>>> running
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> ./ex12 -run_type test -refinement_limit 0.0
>>>>>>>>>>>>>>>>>>>> -bc_type dirichlet -interpolate 0 -petscspace_order 1 -show_initial
>>>>>>>>>>>>>>>>>>>> -dm_plex_print_fem 1
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> for a representative run. Then you could try 3D
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> ex12 -run_type test -dim 3 -refinement_limit
>>>>>>>>>>>>>>>>>>>> 0.0125 -variable_coefficient field -interpolate 1 -petscspace_order 2
>>>>>>>>>>>>>>>>>>>> -show_initial -dm_plex_print_fem
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> or a full run
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> ex12 -refinement_limit 0.01 -bc_type dirichlet
>>>>>>>>>>>>>>>>>>>> -interpolate -petscspace_order 1
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> ex12 -refinement_limit 0.01 -bc_type dirichlet
>>>>>>>>>>>>>>>>>>>> -interpolate -petscspace_order 2
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Let me know if those work.
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> ./ex12
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR:
>>>>>>>>>>>>>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Caught signal number 8 FPE: Floating
>>>>>>>>>>>>>>>>>>>>> Point Exception,probably divide by zero
>>>>>>>>>>>>>>>>>>>>> [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] DMPlexComputeResidualFEM line 531
>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/dm/impls/plex/plexfem.c
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESComputeFunction_DMLocal line
>>>>>>>>>>>>>>>>>>>>> 63 /home/mjonesa/PETSc/petsc/src/snes/utils/dmlocalsnes.c
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNES user function line 2088
>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/snes/interface/snes.c
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESComputeFunction line 2076
>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/snes/interface/snes.c
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESSolve_NEWTONLS line 144
>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/snes/impls/ls/ls.c
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: [0] SNESSolve line 3765
>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/snes/interface/snes.c
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>>>>>>>>>>>>> ------------------------------------
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Signal received!
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR:
>>>>>>>>>>>>>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Petsc Development GIT revision:
>>>>>>>>>>>>>>>>>>>>> v3.4.3-2317-gcd0e7f7 GIT Date: 2014-01-15 20:33:42 -0600
>>>>>>>>>>>>>>>>>>>>> [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: ./ex12 on a arch-linux2-cxx-debug
>>>>>>>>>>>>>>>>>>>>> named maeda by mjonesa Thu Jan 16 17:41:23 2014
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Libraries linked from
>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/local/lib
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Configure run at Thu Jan 16 17:38:33
>>>>>>>>>>>>>>>>>>>>> 2014
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Configure options
>>>>>>>>>>>>>>>>>>>>> --prefix=/home/mjonesa/local
>>>>>>>>>>>>>>>>>>>>> --with-blas-lapack-lib="[/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_rt.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_intel_thread.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_core.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libiomp5.so]"
>>>>>>>>>>>>>>>>>>>>> --with-c2html=0 --with-clanguage=c++ PETSC_ARCH=arch-linux2-cxx-debug
>>>>>>>>>>>>>>>>>>>>> --download-triangle
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR:
>>>>>>>>>>>>>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: User provided function() line 0 in
>>>>>>>>>>>>>>>>>>>>> unknown file
>>>>>>>>>>>>>>>>>>>>> application called MPI_Abort(MPI_COMM_WORLD, 59) -
>>>>>>>>>>>>>>>>>>>>> process 0
>>>>>>>>>>>>>>>>>>>>> ------------------------------
>>>>>>>>>>>>>>>>>>>>> *From:* Matthew Knepley [knepley at gmail.com]
>>>>>>>>>>>>>>>>>>>>> *Sent:* Thursday, January 16, 2014 4:37 PM
>>>>>>>>>>>>>>>>>>>>> *To:* Jones,Martin Alexander
>>>>>>>>>>>>>>>>>>>>> *Cc:* petsc-users at mcs.anl.gov
>>>>>>>>>>>>>>>>>>>>> *Subject:* Re: [petsc-users] Problems running ex12.c
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> On Thu, Jan 16, 2014 at 4:33 PM, Jones,Martin
>>>>>>>>>>>>>>>>>>>>> Alexander <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> Hi, I have downloaded and built the dev version you
>>>>>>>>>>>>>>>>>>>>>> suggested. I think I need the triangle package to run this particular case.
>>>>>>>>>>>>>>>>>>>>>> Is there any thing else that appears wrong in what I have done from the
>>>>>>>>>>>>>>>>>>>>>> error messages below:
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Great! Its running. You can reconfigure like this:
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> $PETSC_DIR/$PETSC_ARCH/conf/reconfigure-$PETSC_ARCH.py --download-triangle
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> and then rebuild
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> make
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> and then rerun. You can load meshes, but its much
>>>>>>>>>>>>>>>>>>>>> easier to have triangle create them.
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Thanks for being patient,
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: --------------------- Error Message
>>>>>>>>>>>>>>>>>>>>>> ------------------------------------
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: No support for this operation for
>>>>>>>>>>>>>>>>>>>>>> this object type!
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Mesh generation needs external
>>>>>>>>>>>>>>>>>>>>>> package support.
>>>>>>>>>>>>>>>>>>>>>> Please reconfigure with --download-triangle.!
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR:
>>>>>>>>>>>>>>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Petsc Development GIT revision:
>>>>>>>>>>>>>>>>>>>>>> v3.4.3-2317-gcd0e7f7 GIT Date: 2014-01-15 20:33:42 -0600
>>>>>>>>>>>>>>>>>>>>>> [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: ./ex12 on a arch-linux2-cxx-debug
>>>>>>>>>>>>>>>>>>>>>> named maeda by mjonesa Thu Jan 16 16:28:20 2014
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Libraries linked from
>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/local/lib
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Configure run at Thu Jan 16 16:25:53
>>>>>>>>>>>>>>>>>>>>>> 2014
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: Configure options
>>>>>>>>>>>>>>>>>>>>>> --prefix=/home/mjonesa/local --with-clanguage=c++ --with-c2html=0
>>>>>>>>>>>>>>>>>>>>>> --with-blas-lapack-lib="[/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_rt.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_intel_thread.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libmkl_core.so,/opt/apps/EPD/epd-7.3-1-rh5-x86_64/lib/libiomp5.so]"
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR:
>>>>>>>>>>>>>>>>>>>>>> ------------------------------------------------------------------------
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: DMPlexGenerate() line 4332 in
>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/dm/impls/plex/plex.c
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: DMPlexCreateBoxMesh() line 600 in
>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/dm/impls/plex/plexcreate.c
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: CreateMesh() line 295 in
>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/snes/examples/tutorials/ex12.c
>>>>>>>>>>>>>>>>>>>>>> [0]PETSC ERROR: main() line 659 in
>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc/src/snes/examples/tutorials/ex12.c
>>>>>>>>>>>>>>>>>>>>>> application called MPI_Abort(MPI_COMM_WORLD, 56) -
>>>>>>>>>>>>>>>>>>>>>> process 0
>>>>>>>>>>>>>>>>>>>>>> ------------------------------
>>>>>>>>>>>>>>>>>>>>>> *From:* Matthew Knepley [knepley at gmail.com]
>>>>>>>>>>>>>>>>>>>>>> *Sent:* Thursday, January 16, 2014 4:06 PM
>>>>>>>>>>>>>>>>>>>>>> *To:* Jones,Martin Alexander
>>>>>>>>>>>>>>>>>>>>>> *Cc:* petsc-users at mcs.anl.gov
>>>>>>>>>>>>>>>>>>>>>> *Subject:* Re: [petsc-users] Problems running ex12.c
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> On Thu, Jan 16, 2014 at 4:05 PM, Jones,Martin
>>>>>>>>>>>>>>>>>>>>>> Alexander <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> Hi. I changed the ENV variable to the correct
>>>>>>>>>>>>>>>>>>>>>>> entry. when I type make ex12 I get this:
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> mjonesa at maeda:~/PETSc/petsc-3.4.3/src/snes/examples/tutorials$
>>>>>>>>>>>>>>>>>>>>>>> make ex12
>>>>>>>>>>>>>>>>>>>>>>> g++ -o ex12.o -c -Wall -Wwrite-strings
>>>>>>>>>>>>>>>>>>>>>>> -Wno-strict-aliasing -Wno-unknown-pragmas -g -fPIC
>>>>>>>>>>>>>>>>>>>>>>> -I/home/mjonesa/PETSc/petsc-3.4.3/include
>>>>>>>>>>>>>>>>>>>>>>> -I/home/mjonesa/PETSc/petsc-3.4.3/arch-linux2-cxx-debug/include
>>>>>>>>>>>>>>>>>>>>>>> -I/home/mjonesa/PETSc/petsc-3.4.3/include/mpiuni
>>>>>>>>>>>>>>>>>>>>>>> -D__INSDIR__=src/snes/examples/tutorials/ ex12.c
>>>>>>>>>>>>>>>>>>>>>>> ex12.c:14:18: fatal error: ex12.h: No such file or
>>>>>>>>>>>>>>>>>>>>>>> directory
>>>>>>>>>>>>>>>>>>>>>>> compilation terminated.
>>>>>>>>>>>>>>>>>>>>>>> make: *** [ex12.o] Error 1
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> Any help of yours is very much appreciated.
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> Yes, this relates to my 3). This is not going to
>>>>>>>>>>>>>>>>>>>>>> work for you with the release. Please see the link I sent.
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> ------------------------------
>>>>>>>>>>>>>>>>>>>>>>> *From:* Matthew Knepley [knepley at gmail.com]
>>>>>>>>>>>>>>>>>>>>>>> *Sent:* Thursday, January 16, 2014 3:58 PM
>>>>>>>>>>>>>>>>>>>>>>> *To:* Jones,Martin Alexander
>>>>>>>>>>>>>>>>>>>>>>> *Cc:* petsc-users at mcs.anl.gov
>>>>>>>>>>>>>>>>>>>>>>> *Subject:* Re: [petsc-users] Problems running ex12.c
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> On Thu, Jan 16, 2014 at 3:55 PM, Jones,Martin
>>>>>>>>>>>>>>>>>>>>>>> Alexander <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> Thanks!
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> You built with PETSC_ARCH=arch-linux2-cxx-debug
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> ------------------------------
>>>>>>>>>>>>>>>>>>>>>>>> *From:* Matthew Knepley [knepley at gmail.com]
>>>>>>>>>>>>>>>>>>>>>>>> *Sent:* Thursday, January 16, 2014 3:31 PM
>>>>>>>>>>>>>>>>>>>>>>>> *To:* Jones,Martin Alexander
>>>>>>>>>>>>>>>>>>>>>>>> *Cc:* petsc-users at mcs.anl.gov
>>>>>>>>>>>>>>>>>>>>>>>> *Subject:* Re: [petsc-users] Problems running
>>>>>>>>>>>>>>>>>>>>>>>> ex12.c
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> On Thu, Jan 16, 2014 at 3:11 PM, Jones,Martin
>>>>>>>>>>>>>>>>>>>>>>>> Alexander <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Now I went to the directory where ex12.c sits
>>>>>>>>>>>>>>>>>>>>>>>>> and just did a 'make ex12.c' with the following error if this helps? :
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> mjonesa at maeda:~/PETSc/petsc-3.4.3/src/snes/examples/tutorials$
>>>>>>>>>>>>>>>>>>>>>>>>> make ex12.c
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc-3.4.3/conf/variables:108:
>>>>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc-3.4.3/linux-gnu-cxx-debug/conf/petscvariables: No
>>>>>>>>>>>>>>>>>>>>>>>>> such file or directory
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc-3.4.3/conf/rules:962:
>>>>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc-3.4.3/linux-gnu-cxx-debug/conf/petscrules: No
>>>>>>>>>>>>>>>>>>>>>>>>> such file or directory
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> make: *** No rule to make target
>>>>>>>>>>>>>>>>>>>>>>>>> `/home/mjonesa/PETSc/petsc-3.4.3/linux-gnu-cxx-debug/conf/petscrules'.
>>>>>>>>>>>>>>>>>>>>>>>>> Stop.
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> 1) You would type 'make ex12'
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> 2) Either you PETSC_DIR (
>>>>>>>>>>>>>>>>>>>>>>>> /home/mjonesa/PETSc/petsc-3.4.3) or PETSC_ARCH (
>>>>>>>>>>>>>>>>>>>>>>>> linux-gnu-cxx-debug) environment variables
>>>>>>>>>>>>>>>>>>>>>>>> do not match what you built. Please send
>>>>>>>>>>>>>>>>>>>>>>>> configure.log and make.log
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> 3) Since it was only recently added, if you want
>>>>>>>>>>>>>>>>>>>>>>>> to use the FEM functionality, you must use the development version:
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> http://www.mcs.anl.gov/petsc/developers/index.html
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> *From:* Matthew Knepley [mailto:knepley at gmail.com]
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> *Sent:* Thursday, January 16, 2014 2:48 PM
>>>>>>>>>>>>>>>>>>>>>>>>> *To:* Jones,Martin Alexander
>>>>>>>>>>>>>>>>>>>>>>>>> *Cc:* petsc-users at mcs.anl.gov
>>>>>>>>>>>>>>>>>>>>>>>>> *Subject:* Re: [petsc-users] Problems running
>>>>>>>>>>>>>>>>>>>>>>>>> ex12.c
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> On Thu, Jan 16, 2014 at 2:35 PM, Jones,Martin
>>>>>>>>>>>>>>>>>>>>>>>>> Alexander <MAJones2 at mdanderson.org> wrote:
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Hello To Whom it Concerns,
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> I am trying to run the tutorial ex12.c by running 'bin/pythonscripts/PetscGenerateFEMQuadrature.py
>>>>>>>>>>>>>>>>>>>>>>>>> dim order dim 1 laplacian dim order dim 1 boundary
>>>>>>>>>>>>>>>>>>>>>>>>> src/snes/examples/tutorials/ex12.h'
>>>>>>>>>>>>>>>>>>>>>>>>> but getting the following error:
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> $ bin/pythonscripts/PetscGenerateFEMQuadrature.py
>>>>>>>>>>>>>>>>>>>>>>>>> dim order dim 1 laplacian dim order dim 1 boundary
>>>>>>>>>>>>>>>>>>>>>>>>> src/snes/examples/tutorials/ex12.h
>>>>>>>>>>>>>>>>>>>>>>>>> Traceback (most recent call last):
>>>>>>>>>>>>>>>>>>>>>>>>> File
>>>>>>>>>>>>>>>>>>>>>>>>> "bin/pythonscripts/PetscGenerateFEMQuadrature.py", line 15, in <module>
>>>>>>>>>>>>>>>>>>>>>>>>> from FIAT.reference_element import
>>>>>>>>>>>>>>>>>>>>>>>>> default_simplex
>>>>>>>>>>>>>>>>>>>>>>>>> ImportError: No module named FIAT.reference_element
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> I have removed the requirement of generating the
>>>>>>>>>>>>>>>>>>>>>>>>> header file (its now all handled in C). I thought
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> I changed the documentation everywhere (including
>>>>>>>>>>>>>>>>>>>>>>>>> the latest tutorial slides). Can you try running
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> with 'master' (or 'next'), and point me toward the
>>>>>>>>>>>>>>>>>>>>>>>>> old docs?
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Thanks,
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> Matt
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>>>>> What most experimenters take for granted before
>>>>>>>>>>>>>>>>>>>>>>>>> they begin their experiments is infinitely more interesting than any
>>>>>>>>>>>>>>>>>>>>>>>>> results to which their experiments lead.
>>>>>>>>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>>>> What most experimenters take for granted before
>>>>>>>>>>>>>>>>>>>>>>>> they begin their experiments is infinitely more interesting than any
>>>>>>>>>>>>>>>>>>>>>>>> results to which their experiments lead.
>>>>>>>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>>> What most experimenters take for granted before they
>>>>>>>>>>>>>>>>>>>>>>> begin their experiments is infinitely more interesting than any results to
>>>>>>>>>>>>>>>>>>>>>>> which their experiments lead.
>>>>>>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>>> What most experimenters take for granted before they
>>>>>>>>>>>>>>>>>>>>>> begin their experiments is infinitely more interesting than any results to
>>>>>>>>>>>>>>>>>>>>>> which their experiments lead.
>>>>>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>>> What most experimenters take for granted before they
>>>>>>>>>>>>>>>>>>>>> begin their experiments is infinitely more interesting than any results to
>>>>>>>>>>>>>>>>>>>>> which their experiments lead.
>>>>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>>> What most experimenters take for granted before they
>>>>>>>>>>>>>>>>>>>> begin their experiments is infinitely more interesting than any results to
>>>>>>>>>>>>>>>>>>>> which their experiments lead.
>>>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>>> What most experimenters take for granted before they
>>>>>>>>>>>>>>>>>>> begin their experiments is infinitely more interesting than any results to
>>>>>>>>>>>>>>>>>>> which their experiments lead.
>>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>>> What most experimenters take for granted before they
>>>>>>>>>>>>>>>>>> begin their experiments is infinitely more interesting than any results to
>>>>>>>>>>>>>>>>>> which their experiments lead.
>>>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>> What most experimenters take for granted before they begin
>>>>>>>>>>>>>>>> their experiments is infinitely more interesting than any results to which
>>>>>>>>>>>>>>>> their experiments lead.
>>>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> *Miguel Angel Salazar de Troya*
>>>>>>>>>>>>>>> Graduate Research Assistant
>>>>>>>>>>>>>>> Department of Mechanical Science and Engineering
>>>>>>>>>>>>>>> University of Illinois at Urbana-Champaign
>>>>>>>>>>>>>>> (217) 550-2360
>>>>>>>>>>>>>>> salaza11 at illinois.edu
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> --
>>>>>>>>>>>>>> What most experimenters take for granted before they begin
>>>>>>>>>>>>>> their experiments is infinitely more interesting than any results to which
>>>>>>>>>>>>>> their experiments lead.
>>>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> *Miguel Angel Salazar de Troya*
>>>>>>>>>>>>> Graduate Research Assistant
>>>>>>>>>>>>> Department of Mechanical Science and Engineering
>>>>>>>>>>>>> University of Illinois at Urbana-Champaign
>>>>>>>>>>>>> (217) 550-2360
>>>>>>>>>>>>> salaza11 at illinois.edu
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> What most experimenters take for granted before they begin
>>>>>>>>>>>> their experiments is infinitely more interesting than any results to which
>>>>>>>>>>>> their experiments lead.
>>>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
>>>>>>>>>>> *Miguel Angel Salazar de Troya*
>>>>>>>>>>> Graduate Research Assistant
>>>>>>>>>>> Department of Mechanical Science and Engineering
>>>>>>>>>>> University of Illinois at Urbana-Champaign
>>>>>>>>>>> (217) 550-2360
>>>>>>>>>>> salaza11 at illinois.edu
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> What most experimenters take for granted before they begin their
>>>>>>>>>> experiments is infinitely more interesting than any results to which their
>>>>>>>>>> experiments lead.
>>>>>>>>>> -- Norbert Wiener
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> *Miguel Angel Salazar de Troya*
>>>>>>>>> Graduate Research Assistant
>>>>>>>>> Department of Mechanical Science and Engineering
>>>>>>>>> University of Illinois at Urbana-Champaign
>>>>>>>>> (217) 550-2360
>>>>>>>>> salaza11 at illinois.edu
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> What most experimenters take for granted before they begin their
>>>>>>>> experiments is infinitely more interesting than any results to which their
>>>>>>>> experiments lead.
>>>>>>>> -- Norbert Wiener
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> *Miguel Angel Salazar de Troya*
>>>>>>> Graduate Research Assistant
>>>>>>> Department of Mechanical Science and Engineering
>>>>>>> University of Illinois at Urbana-Champaign
>>>>>>> (217) 550-2360
>>>>>>> salaza11 at illinois.edu
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> What most experimenters take for granted before they begin their
>>>>>> experiments is infinitely more interesting than any results to which their
>>>>>> experiments lead.
>>>>>> -- Norbert Wiener
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> *Miguel Angel Salazar de Troya*
>>>>> Graduate Research Assistant
>>>>> Department of Mechanical Science and Engineering
>>>>> University of Illinois at Urbana-Champaign
>>>>> (217) 550-2360
>>>>> salaza11 at illinois.edu
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> What most experimenters take for granted before they begin their
>>>> experiments is infinitely more interesting than any results to which their
>>>> experiments lead.
>>>> -- Norbert Wiener
>>>>
>>>
>>>
>>>
>>> --
>>> What most experimenters take for granted before they begin their
>>> experiments is infinitely more interesting than any results to which their
>>> experiments lead.
>>> -- Norbert Wiener
>>>
>>
>>
>>
>> --
>> *Miguel Angel Salazar de Troya*
>> Graduate Research Assistant
>> Department of Mechanical Science and Engineering
>> University of Illinois at Urbana-Champaign
>> (217) 550-2360
>> salaza11 at illinois.edu
>>
>>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
--
*Miguel Angel Salazar de Troya*
Graduate Research Assistant
Department of Mechanical Science and Engineering
University of Illinois at Urbana-Champaign
(217) 550-2360
salaza11 at illinois.edu
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