[petsc-users] issues with VecSetValues in petsc 3.19

Matthew Knepley knepley at gmail.com
Mon Apr 17 04:40:35 CDT 2023

On Mon, Apr 17, 2023 at 5:36 AM Edoardo alinovi <edoardo.alinovi at gmail.com>

> Hello Barry, Matt, Jed,
> I have just installed the latest and greatest version of petsc and I am
> hitting a problem I did not have in previous releases.
> Here is the error:
> *[1]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------[1]PETSC
> ERROR: Object is in wrong state[1]PETSC ERROR: Not for unassembled vector,
> did you call VecAssemblyBegin()/VecAssemblyEnd()?[1]PETSC ERROR: WARNING!
> There are option(s) set that were not used! Could be the program crashed
> before they were used or a spelling mistake, etc!*
> the vector x I am filling is created with:
>    - call VecDuplicate(this%rhs, x, ierr)
> rhs is allocated and I called VecAssemblyBegin()/VecAssemblyEnd() on, do I
> need to call it on duplicated vectors as well now on?

Only if you change the values. Can you show the entire stack from the error



> Thank you!
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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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