On 8/13/22 11:20, M. Bänsch wrote:
*** Caution: EXTERNAL Sender ***
On Wednesday, August 10, 2022 at 1:06:58 AM UTC+2 Wolfgang Bangerth wrote:
It's hard to say what the reason is without having a small test case that
shows the issue. Since the issue happens during solution transfer, it is
almost certainly not something related to whether or not you build
solutions.
As is generically the case, it is easiest to find the problem if you reduce
the program that produces the error to something as minimal as possible --
just throw out everything that can be thrown out. Do you think you can
come up
with such a program?
Thank you very much for your input! Your suggestion regarding the minimal
working example is much appreciated. I trimmed down a code snippet even more
and the current version is attached. This example is roughly 340 lines long
and the relevant part with refine_grid() start at line 204. I included a dummy
refinement criterion.
I got it down to just over 100 lines and put the result into this bug report:
https://github.com/dealii/dealii/issues/14189
Unfortunately, I don't have the time right now to debug this, but at least
it's recorded in our bug database. I also tagged it to make sure we fix this
before the release. I recognize that that isn't helpful to you right now, so
if you want to debug this yourself: you might want to read through the file
where the error happens and try to understand what the exception here is
trying to assert:
(data_range.size() % bytes_per_entry == 0)
This is in a function called unpack_dof_values(), and I imagine it is checking
whether some data it gets has been packed in the way that this function
expects, but that that check fails for some reason. Once you understand *what*
the assertion checks, you can start to ask *why* the assertion fails in your case.
Best
W.
--
------------------------------------------------------------------------
Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
--
The deal.II project is located at http://www.dealii.org/
For mailing list/forum options, see
https://groups.google.com/d/forum/dealii?hl=en
---
You received this message because you are subscribed to the Google Groups "deal.II User Group" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to dealii+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/dealii/abd3fc54-d887-9d0b-2236-508034912445%40colostate.edu.
