# Errors **URL:** https://pyfr.discourse.group/c/errors/13.md?page=2 [Latest](https://pyfr.discourse.group/latest.md) · [Categories](https://pyfr.discourse.group/categories.md) · [Tags](https://pyfr.discourse.group/tags.md) **Page:** 3 --- ## [Error with sampler plugin](https://pyfr.discourse.group/t/error-with-sampler-plugin/909)
**Author:** [@studyhardhardhard](https://pyfr.discourse.group/u/studyhardhardhard)\ **Replies:** 3\ **Last updated:** [4 September 2023 15:52 UTC](https://pyfr.discourse.group/t/error-with-sampler-plugin/909 "2023-09-04T15:52:27Z")
By the way. Sometimes I find that my solver-plugin-sampler doesn’t work, meaning there’s no corresponding file output. However, at other times, it works and produces results. The code for this module is the same in both… --- ## [Error: Metaclass conflict, cylinder test case with openmp backend](https://pyfr.discourse.group/t/error-metaclass-conflict-cylinder-test-case-with-openmp-backend/894)
**Author:** [@rdarshan\_nfsl](https://pyfr.discourse.group/u/rdarshan_nfsl)\ **Replies:** 4\ **Last updated:** [7 August 2023 08:02 UTC](https://pyfr.discourse.group/t/error-metaclass-conflict-cylinder-test-case-with-openmp-backend/894 "2023-08-07T08:02:16Z")
Hi, I have installed PyFR and I was able to run the euler vortex and couette flow cases as expected with openmp as the backend. But when I tried to run the 2d inc cylinder test case with openmp as the backend, I am get… --- ## [Error: 'Kernel "mul" has no providers' on macOS with x86 processor](https://pyfr.discourse.group/t/error-kernel-mul-has-no-providers-on-macos-with-x86-processor/878)
**Author:** [@Jerryhqy](https://pyfr.discourse.group/u/Jerryhqy)\ **Replies:** 11\ **Last updated:** [31 July 2023 14:34 UTC](https://pyfr.discourse.group/t/error-kernel-mul-has-no-providers-on-macos-with-x86-processor/878 "2023-07-31T14:34:01Z")
Hello, I am very new to PyFR and want to set it up on my MacBook Pro (2015) for running some simple test cases. I followed the steps exactly on this installation page, but have encounter the issue as the following: Fir… --- ## [Installing pyfr develop branch. Error: Address not mapped](https://pyfr.discourse.group/t/installing-pyfr-develop-branch-error-address-not-mapped/861)
**Author:** [@fei](https://pyfr.discourse.group/u/fei)\ **Replies:** 11\ **Last updated:** [4 July 2023 21:38 UTC](https://pyfr.discourse.group/t/installing-pyfr-develop-branch-error-address-not-mapped/861 "2023-07-04T21:38:25Z")
Hello, I installed the pyfr develop branch, but the errors appear. How could I solve this problem? \*\*\* Process received signal \*\*\* Signal: Segmentation fault (11) Signal code: Address not mapped (1) Failing at addres… --- ## [Problem with "2d-inc-cylinder"](https://pyfr.discourse.group/t/problem-with-2d-inc-cylinder/849)
**Author:** [@syavash](https://pyfr.discourse.group/u/syavash)\ **Replies:** 3\ **Last updated:** [20 June 2023 07:27 UTC](https://pyfr.discourse.group/t/problem-with-2d-inc-cylinder/849 "2023-06-20T07:27:03Z")
Dear All, I’m having problem with running “2d-inc-cylinder” test case. The other two cases including 2d-euler and 2d-couette are just fine. Here is the error I get when running with openmp backend: free(): invalid poin… --- ## [Runtime Error on macOS with OpenMP](https://pyfr.discourse.group/t/runtime-error-on-macos-with-openmp/848)
**Author:** [@Zach-Davis](https://pyfr.discourse.group/u/Zach-Davis)\ **Replies:** 3\ **Last updated:** [19 June 2023 22:21 UTC](https://pyfr.discourse.group/t/runtime-error-on-macos-with-openmp/848 "2023-06-19T22:21:06Z")
I’ve tried running the 2-D Euler vortex test case with PyFR 1.15.0 on an Apple Silicon Mac. With this architecture, I would ideally like to leverage the OpenMP backend. I modified the euler-vortex.ini file so that the … --- ## [Problem installing PyFR](https://pyfr.discourse.group/t/problem-installing-pyfr/837)
**Author:** [@syavash](https://pyfr.discourse.group/u/syavash)\ **Replies:** 9\ **Last updated:** [12 June 2023 20:43 UTC](https://pyfr.discourse.group/t/problem-installing-pyfr/837 "2023-06-12T20:43:11Z")
Dear All, I am new to PyFR. I tried to install it on a cluster from source code. I tried to install using the following command: python setup.py install --user I get the following line then: running install /XXX/Core… --- ## [Problem about partitioning mesh file](https://pyfr.discourse.group/t/problem-about-partitioning-mesh-file/120)
**Author:** [@King\_wen](https://pyfr.discourse.group/u/King_wen)\ **Replies:** 8\ **Last updated:** [14 April 2023 17:12 UTC](https://pyfr.discourse.group/t/problem-about-partitioning-mesh-file/120 "2023-04-14T17:12:55Z")
Dear all, I’ve tried to run the 2D Euler Vortex problem with PyFR v.1.4.0. However, when I run pyfr to partition the PyFR mesh file into two pieces, I get the error messages below: \[root@localhost euler\_vortex\]# pyfr p… --- ## [RuntimeWarning: Invalid value encoutered in sqrt](https://pyfr.discourse.group/t/runtimewarning-invalid-value-encoutered-in-sqrt/793)
**Author:** [@Yujif1Aero](https://pyfr.discourse.group/u/Yujif1Aero)\ **Replies:** 1\ **Last updated:** [11 April 2023 07:53 UTC](https://pyfr.discourse.group/t/runtimewarning-invalid-value-encoutered-in-sqrt/793 "2023-04-11T07:53:08Z")
Dear all, I have come across invalid value encountered in sqrt which I cannot solve. Could you teach me what wrong is? Thank you --- ## [Error: read only file system](https://pyfr.discourse.group/t/error-read-only-file-system/774)
**Author:** [@ugyen-wangchuk](https://pyfr.discourse.group/u/ugyen-wangchuk)\ **Replies:** 1\ **Last updated:** [15 March 2023 17:10 UTC](https://pyfr.discourse.group/t/error-read-only-file-system/774 "2023-03-15T17:10:09Z")
Hi, I recently installed PyFR on HPC along with all its dependencies. I am verifying the installation with the Euler vortex test case. The mesh import works without any issues. However, the simulation itself is running … --- ## [Error when using synthetic turbulence (Giangaspero branch)](https://pyfr.discourse.group/t/error-when-using-synthetic-turbulence-giangaspero-branch/765)
**Author:** [@fei](https://pyfr.discourse.group/u/fei)\ **Replies:** 2\ **Last updated:** [6 March 2023 12:53 UTC](https://pyfr.discourse.group/t/error-when-using-synthetic-turbulence-giangaspero-branch/765 "2023-03-06T12:53:27Z")
Hello, everyone. I amd using synthetic turbulence in PyFR. I tried some PyFR branches in Giangaspero’s GitHub, such as PyFR-turb\_injection\_SEM\_localLTurb\_prepPR, and it comes out "No moudle named ‘scipy’ ". Could anyon… --- ## [Unpaired faces in 2D mesh](https://pyfr.discourse.group/t/unpaired-faces-in-2d-mesh/756)
**Author:** [@siesteausoleil](https://pyfr.discourse.group/u/siesteausoleil)\ **Replies:** 2\ **Last updated:** [6 March 2023 02:34 UTC](https://pyfr.discourse.group/t/unpaired-faces-in-2d-mesh/756 "2023-03-06T02:34:13Z")
Hi there, I am starting using pyFR for 2d incompressible flow around obstacles. The code used for generating meshes looks good, as I can visualize a body-fitted triangular mesh by opening the .msh file with gmsh. But th… --- ## [OSError: libxsmm.so: cannot open shared object file](https://pyfr.discourse.group/t/oserror-libxsmm-so-cannot-open-shared-object-file/754)
**Author:** [@ManuSaiVenkataRatnam](https://pyfr.discourse.group/u/ManuSaiVenkataRatnam)\ **Replies:** 5\ **Last updated:** [28 February 2023 21:49 UTC](https://pyfr.discourse.group/t/oserror-libxsmm-so-cannot-open-shared-object-file/754 "2023-02-28T21:49:36Z")
Hello Team PyFR, I am unable to run pyfr with Openmp. (cuda works fine) followed the instructions in the installation page of pyfr for libxsmm. Could you please suggest what should be done for such error. steps foll… --- ## [ValueError: Shape mismatch](https://pyfr.discourse.group/t/valueerror-shape-mismatch/752)
**Author:** [@ManuSaiVenkataRatnam](https://pyfr.discourse.group/u/ManuSaiVenkataRatnam)\ **Replies:** 1\ **Last updated:** [19 February 2023 22:00 UTC](https://pyfr.discourse.group/t/valueerror-shape-mismatch/752 "2023-02-19T22:00:06Z")
Hello PyFR community! Error: PyFR version = 1.12.2 (link: GitHub - GiorgioGiangaspero/PyFR: PyFR) I would like to use turbulence generator plugin in pyfr made available through above link. Received error mentioned… --- ## [Numpy error when using time average plugin](https://pyfr.discourse.group/t/numpy-error-when-using-time-average-plugin/751)
**Author:** [@YoonSuKyung](https://pyfr.discourse.group/u/YoonSuKyung)\ **Replies:** 3\ **Last updated:** [10 February 2023 10:18 UTC](https://pyfr.discourse.group/t/numpy-error-when-using-time-average-plugin/751 "2023-02-10T10:18:45Z")
Hi, I’m performing an incompressibility(ACM) calculation. I leave a post because there are two problems. question1. After saving to 213s, an error occurred and the calculation stopped. (Failed to copy the error) When… --- ## [Error CUDAInvalidDevice with Slurn srun](https://pyfr.discourse.group/t/error-cudainvaliddevice-with-slurn-srun/743)
**Author:** [@Frankx9](https://pyfr.discourse.group/u/Frankx9)\ **Replies:** 4\ **Last updated:** [6 February 2023 22:07 UTC](https://pyfr.discourse.group/t/error-cudainvaliddevice-with-slurn-srun/743 "2023-02-06T22:07:58Z")
Hi I’m having the following error when running simulations via slurm but I cannot troubleshoot it, any idea? srun: error: largemem-4-1: task 2: Exited with exit code 1 Traceback (most recent call last): File "/minicon… --- ## [OSError: Unable to open file, failed import](https://pyfr.discourse.group/t/oserror-unable-to-open-file-failed-import/741)
**Author:** [@Frankx9](https://pyfr.discourse.group/u/Frankx9)\ **Replies:** 8\ **Last updated:** [18 January 2023 21:11 UTC](https://pyfr.discourse.group/t/oserror-unable-to-open-file-failed-import/741 "2023-01-18T21:11:21Z")
Hi, I was having a bit of trouble in running pyFR on clusters When in my bash shell I run the following series of commands conda init bash source .bashrc conda activate pyFR ml gnu8 metis cd PyFR-Test-Cases/2d-euler-v… --- ## [HIP Invalid device error, ROCm failure](https://pyfr.discourse.group/t/hip-invalid-device-error-rocm-failure/738)
**Author:** [@Yujif1Aero](https://pyfr.discourse.group/u/Yujif1Aero)\ **Replies:** 3\ **Last updated:** [11 January 2023 18:00 UTC](https://pyfr.discourse.group/t/hip-invalid-device-error-rocm-failure/738 "2023-01-11T18:00:08Z")
Hi All!, We have tried to use HIP with AMD GPU. However, We got an error which we cannot solve. The details are below. Driver infomation is here; Error mesage which we came across is here; Do you have any ide… --- ## [IndexError: list index out of range, fuzzysort](https://pyfr.discourse.group/t/indexerror-list-index-out-of-range-fuzzysort/735)
**Author:** [@Frankx9](https://pyfr.discourse.group/u/Frankx9)\ **Replies:** 5\ **Last updated:** [10 January 2023 13:00 UTC](https://pyfr.discourse.group/t/indexerror-list-index-out-of-range-fuzzysort/735 "2023-01-10T13:00:13Z")
The .ini file I’m using is \[backend\] precision = double \[backend-openmp\] cc = gcc-12 \[constants\] gamma = 1.4 mu = 1.47e-5 Pr = 0.72 M = 0.12 uc = 1.47 rhoc = 1.0 \[soln-plugin-writer\] dt-out = 0.02 basedir = . basena… --- ## [Error: Authorization required](https://pyfr.discourse.group/t/error-authorization-required/726)
**Author:** [@Yujif1Aero](https://pyfr.discourse.group/u/Yujif1Aero)\ **Replies:** 7\ **Last updated:** [10 January 2023 11:47 UTC](https://pyfr.discourse.group/t/error-authorization-required/726 "2023-01-10T11:47:03Z")
Hi All, I am Yuji from Japan. I tyr to get some benchmarks using GPU on cube\_hex24.msh made by Dr. Park. Howenver I get some problems. When singel calclation is going, the terminal shows how much this calclation is do… --- ## [KeyError from \_render\_kernel, bad number](https://pyfr.discourse.group/t/keyerror-from-render-kernel-bad-number/733)
**Author:** [@ManuSaiVenkataRatnam](https://pyfr.discourse.group/u/ManuSaiVenkataRatnam)\ **Replies:** 5\ **Last updated:** [2 January 2023 17:29 UTC](https://pyfr.discourse.group/t/keyerror-from-render-kernel-bad-number/733 "2023-01-02T17:29:46Z")
Hello Team Pyfr, Following error occured when I run my .ini file. I am new to writing .ini file. can you please suggest what possible went wrong here and how can I rectify it. Thank you and Regards, Manu. KeyError: … --- ## [Meshing error- keyError and invalid physical tag count for entity](https://pyfr.discourse.group/t/meshing-error-keyerror-and-invalid-physical-tag-count-for-entity/729)
**Author:** [@ManuSaiVenkataRatnam](https://pyfr.discourse.group/u/ManuSaiVenkataRatnam)\ **Replies:** 3\ **Last updated:** [29 December 2022 15:18 UTC](https://pyfr.discourse.group/t/meshing-error-keyerror-and-invalid-physical-tag-count-for-entity/729 "2022-12-29T15:18:33Z")
Hi Team PyFR & PyFR community, Following errors are shown when I convert .msh to .pyfrm. Error 1: “keyError; (1,69)” Attached error image below. Can you please suggest me what need to be done here! Error 2 : “In… --- ## [Nvidia GPU Segmentation fault with OpenCL](https://pyfr.discourse.group/t/nvidia-gpu-segmentation-fault-with-opencl/728)
**Author:** [@Yujif1Aero](https://pyfr.discourse.group/u/Yujif1Aero)\ **Replies:** 3\ **Last updated:** [27 December 2022 15:52 UTC](https://pyfr.discourse.group/t/nvidia-gpu-segmentation-fault-with-opencl/728 "2022-12-27T15:52:40Z")
Dear all, Hi I am Yuji. I have a question and a problem. \[Question\] In terms of pyfr run, I put $pyfr run -b openmp -p 2d-inc-cylinder.pyfrm 2d-inc-cylinder.ini. I found ,however, GPUs are not working. Openmp option … --- ## [CUBLASInternalError when using multi GPU](https://pyfr.discourse.group/t/cublasinternalerror-when-using-multi-gpu/714)
**Author:** [@hwtang](https://pyfr.discourse.group/u/hwtang)\ **Replies:** 4\ **Last updated:** [8 November 2022 09:30 UTC](https://pyfr.discourse.group/t/cublasinternalerror-when-using-multi-gpu/714 "2022-11-08T09:30:54Z")
Dear all, I got an error when trying to use 2 different GPUs. The command I used is mpiexec -n 2 pyfr restart -b cuda -p solutions\_01/sd7003.pyfrm solutions\_01/sd7003\_145.00.pyfrs sd7003\_01.ini. Traceback (most recent… --- ## [HYDU\_create\_process, execvp error on file pyfr (No such file or directory)](https://pyfr.discourse.group/t/hydu-create-process-execvp-error-on-file-pyfr-no-such-file-or-directory/703)
**Author:** [@ManuSaiVenkataRatnam](https://pyfr.discourse.group/u/ManuSaiVenkataRatnam)\ **Replies:** 21\ **Last updated:** [10 October 2022 12:16 UTC](https://pyfr.discourse.group/t/hydu-create-process-execvp-error-on-file-pyfr-no-such-file-or-directory/703 "2022-10-10T12:16:12Z")
Hello Team PyFr, I am currently trying to use PyFR in my college HPC. Got following error, and I am unable to resolve this. ...... HYDU\_create\_process (../../utils/launch/launch.c:827): execvp error on file pyfr (No su… --- ## [UnpicklingError, running pyfr with MPI](https://pyfr.discourse.group/t/unpicklingerror-running-pyfr-with-mpi/686)
**Author:** [@RobW](https://pyfr.discourse.group/u/RobW)\ **Replies:** 3\ **Last updated:** [1 September 2022 00:51 UTC](https://pyfr.discourse.group/t/unpicklingerror-running-pyfr-with-mpi/686 "2022-09-01T00:51:15Z")
Hi PyFR team, I’ve been trying to install PyFR 1.14.0 as a user on an HPC system, but have run into a bit of trouble that I’m finding difficult to diagnose. Eventually I’d like to get it running with CUDA, but for a sta… --- ## [Failed to run example cases using openmp as backend](https://pyfr.discourse.group/t/failed-to-run-example-cases-using-openmp-as-backend/649)
**Author:** [@hwtang](https://pyfr.discourse.group/u/hwtang)\ **Replies:** 28\ **Last updated:** [30 July 2022 09:31 UTC](https://pyfr.discourse.group/t/failed-to-run-example-cases-using-openmp-as-backend/649 "2022-07-30T09:31:39Z")
Dear all, I am trying to learn PyFR to do some simulations. I have installed PyFR and successfully run the three examples following the guide. However, I failed try to run the example case using openmp as backend. How … --- ## [Error: CUDAERROR euler with MPI](https://pyfr.discourse.group/t/error-cudaerror-euler-with-mpi/633)
**Author:** [@ManuSaiVenkataRatnam](https://pyfr.discourse.group/u/ManuSaiVenkataRatnam)\ **Replies:** 5\ **Last updated:** [1 July 2022 12:05 UTC](https://pyfr.discourse.group/t/error-cudaerror-euler-with-mpi/633 "2022-07-01T12:05:09Z")
Hello everyone! I have started to use pyfr in my college cluster, when executed following code : \< mpiexec -n 2 pyfr run -b cuda -p euler\_vortex\_2d.pyfrm euler\_vortex\_2d.ini \> Got error as shown in the image below. \ **Author:** [@Hima](https://pyfr.discourse.group/u/Hima)\ **Replies:** 1\ **Last updated:** [16 June 2022 11:42 UTC](https://pyfr.discourse.group/t/importing-error-gmsh-element-type-15/624 "2022-06-16T11:42:43Z") LAPTOP-B8HF0M4E:~/PyFR-1.14.0/examples/LID\_cavity\_2d$ pyfr import LID.msh LID.pyfrm Traceback (most recent call last): File "/home/pyfr-venv/bin/pyfr", line 8, in \ sys.exit(main()) File "/home/pyfr-venv/l… --- ## [Unable to import msh file to pyfrm (Old)](https://pyfr.discourse.group/t/unable-to-import-msh-file-to-pyfrm-old/621)
**Author:** [@Hima](https://pyfr.discourse.group/u/Hima)\ **Replies:** 4\ **Last updated:** [13 June 2022 08:20 UTC](https://pyfr.discourse.group/t/unable-to-import-msh-file-to-pyfrm-old/621 "2022-06-13T08:20:31Z")
I have downloaded the testcases from git hub. and when I am trying to import msh file to pyfrm , it shows the value error How can I solve this error? [Previous page](https://pyfr.discourse.group/c/errors/13.md?page=1) [Next page](https://pyfr.discourse.group/c/errors/13.md?page=3)