dolfin team mailing list archive

[Dag Lindbo <dag@xxxxxxxxxx>]

Just to pitch in to the testing effort:

On my 32-bit Linux box where DOLFIN is built with the uBLAS backend 
(only) three C++ demos fail:
assembly and partitioning  - missing SCOTCH (not installed)
cahn-hilliard - demo not found

/Dag

Ilmar Wilbers wrote:
> And
> pde/nonlinear-poisson/cpp
>
> Get the exact same errors on my own mac.
>
> ilmar
>
> Ilmar Wilbers wrote:
> > Since 14:45 yesterday 13 demos are failing for the 32-bits linux 
> > buildbot. While writing this email, suddenly they worked again.
> >
> > The 64-bit linux and the mac were still running the demos, until three 
> > demos started failing for the mac as well during the night. The 64-bit 
> > linux machine is still running the demos, but it has 32 GB of memory. 
> > The error from the mac looks like this, indicating it might be a memory 
> > problem:
> > Initializing DOLFIN version 0.7.2.
> > Initializing PETSc with given command-line arguments.
> > Saved function u (discrete function) to file cahn_hilliard.pvd in VTK 
> > format.
> > Starting Newton solve.
> >    Assembling matrix over cells (finished).
> >    Assembling vector over cells (finished).
> > [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/petsc-as/documentation/troubleshooting.html#Signal[0]PETSC 
> > ERROR: or try http://valgrind.org on linux or man libgmalloc on Apple 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: --------------------- Error Message
> > ...
> > [Amira-iMac.local:11915] MPI_ABORT invoked on rank 0 in communicator 
> > MPI_COMM_WORLD with errorcode 59
> > Bus error
> >
> > The mac fails the demos
> > nls/cahn-hilliard/cpp
> > demo/nls/nonlinearpoisson/cpp
> >
> > ilmar
> >
> > _______________________________________________
> > DOLFIN-dev mailing list
> > DOLFIN-dev@xxxxxxxxxx
> > http://www.fenics.org/mailman/listinfo/dolfin-dev
> _______________________________________________
> DOLFIN-dev mailing list
> DOLFIN-dev@xxxxxxxxxx
> http://www.fenics.org/mailman/listinfo/dolfin-dev