[Trilinos-Users] Seg fault in AZ_manage_memory

Glen Hansen glen.hansen at inl.gov
Thu Sep 30 15:31:13 MDT 2010


Mike and Kurtis,

I'll bet I am. The input_size parameter looks pretty big at 2590485664

Its a large problem.

Thanks,

Glen


On Sep 30, 2010, at 3:27 PM, Heroux, Michael A wrote:

> Glen,
> 
> Might you be going past the address range that int supports (2^31)?
> 
> If so, this is not a graceful way for AztecOO to tell you, so let me know.
> 
> Mike
> 
> 
> On 9/30/10 4:19 PM, "Glen Hansen" <glen.hansen at inl.gov> wrote:
> 
>> All,
>> 
>> I am seeing a seg fault on a pretty large problem that is showing up in
>> AZ_manage_memory.
>> 
>> I am using ML as an approximate preconditioner inversion method and passing
>> the interface to my preconditioner to NOX::Epetra::LinearSystemAztecOO. I get
>> the following traceback from gdb:
>> 
>> Program received signal EXC_BAD_ACCESS, Could not access memory.
>> Reason: KERN_INVALID_ADDRESS at address: 0x00000000d3208ca8
>> 0x00000001003b69d8 in AZ_manage_memory (input_size=2590485664, action=0,
>> type=-914901, name=0x7fff5fbfd2d0 "vblock in gmres0", status=0x7fff5fbfd36c)
>> at /Users/hansga/Codes/Trilinos/packages/aztecoo/src/az_util.c:991
>> 991       temp->name = (char *)     &(dtmp[(aligned_str_mem+aligned_size)/
>> (gdb) where
>> #0  0x00000001003b69d8 in AZ_manage_memory (input_size=2590485664, action=0,
>> type=-914901, name=0x7fff5fbfd2d0 "vblock in gmres0", status=0x7fff5fbfd36c)
>> at /Users/hansga/Codes/Trilinos/packages/aztecoo/src/az_util.c:991
>> #1  0x00000001003c89f4 in AZ_pgmres (b=0x1138d2000, x=0x114526000,
>> weight=0x101124ed8, options=0x101124dd0, params=0x101124e90,
>> proc_config=0x101124d60, status=0x101124f80, Amat=0x10112cf70,
>> precond=0x10112d9e0, convergence_info=0x10112dd10) at
>> /Users/hansga/Codes/Trilinos/packages/aztecoo/src/az_gmres.c:232
>> #2  0x00000001003e09af in AZ_oldsolve (x=0x114526000, b=0x1138d2000,
>> options=0x101124dd0, params=0x101124e90, status=0x101124f80,
>> proc_config=0x101124d60, Amat=0x10112cf70, precond=0x10112d9e0,
>> scaling=0x10112dce0) at
>> /Users/hansga/Codes/Trilinos/packages/aztecoo/src/az_solve.c:540
>> #3  0x00000001003dfd6b in AZ_iterate (x=0x114526000, b=0x1138d2000,
>> options=0x101124dd0, params=0x101124e90, status=0x101124f80,
>> proc_config=0x101124d60, Amat=0x10112cf70, precond=0x10112d9e0, scaling=0x0)
>> at /Users/hansga/Codes/Trilinos/packages/aztecoo/src/az_solve.c:190
>> #4  0x000000010039b212 in AztecOO::Iterate (this=0x101124ab0, MaxIters=400,
>> Tolerance=0.0001) at
>> /Users/hansga/Codes/Trilinos/packages/aztecoo/src/AztecOO.cpp:912
>> #5  0x00000001000a9361 in
>> NOX::Epetra::LinearSystemAztecOO::applyJacobianInverse (this=0x1011246d0,
>> p=@0x108a9ad38, input=@0x101127510, result=@0x101127ea0) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src-epetra/NOX_Epetra_LinearSystem_A
>> ztecOO.C:686
>> #6  0x000000010009d934 in NOX::Epetra::Group::applyJacobianInverse
>> (this=0x101126f30, p=@0x108a9ad38, input=@0x101127510, result=@0x101127ea0) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src-epetra/NOX_Epetra_Group.C:429
>> #7  0x000000010009d2e0 in NOX::Epetra::Group::computeNewton (this=0x101126f30,
>> p=@0x108a9ad38) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src-epetra/NOX_Epetra_Group.C:353
>> #8  0x00000001000e0d19 in NOX::Direction::Newton::compute (this=0x10112c9f0,
>> dir=@0x10112c430, soln=@0x101126f30, solver=@0x10112aa70) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src/NOX_Direction_Newton.C:127
>> #9  0x00000001000d83b2 in NOX::Direction::Generic::compute (this=0x10112c9f0,
>> d=@0x10112c430, g=@0x101126f30, s=@0x10112aa70) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src/NOX_Direction_Generic.C:50
>> #10 0x00000001000e10c4 in NOX::Direction::Newton::compute (this=0x10112c9f0,
>> dir=@0x10112c430, soln=@0x101126f30, solver=@0x10112aa70) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src/NOX_Direction_Newton.C:153
>> #11 0x00000001000f1dca in NOX::Solver::LineSearchBased::step
>> (this=0x10112aa70) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src/NOX_Solver_LineSearchBased.C:165
>> #12 0x00000001000f2198 in NOX::Solver::LineSearchBased::solve
>> (this=0x10112aa70) at
>> /Users/hansga/Codes/Trilinos/packages/nox/src/NOX_Solver_LineSearchBased.C:224
>> #13 0x000000010002c7a8 in main (argc=2, argv=0x7fff5fbfeee8) at Mesh.C:335
>> Current language:  auto; currently c
>> (gdb) 
>> 
>> Any thoughts on what might be happening to me?
>> 
>> Thanks!
>> 
>> Glen
>> 
>> 
>> -
>> 
>> **************************************************
>> Glen Hansen                               (208) 526-8494
>> Idaho National Laboratory
>> MS 3840                                                EROB 320
>> **************************************************
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> _______________________________________________
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> 
> 

-

**************************************************
Glen Hansen                               (208) 526-8494
Idaho National Laboratory
MS 3840                                                EROB 320
**************************************************









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