# Failed to run example cases using openmp as backend

**URL:** <https://pyfr.discourse.group/t/failed-to-run-example-cases-using-openmp-as-backend/649>\
**Category:** Errors\
**Created:** [17 July 2022 13:54 UTC](https://pyfr.discourse.group/t/failed-to-run-example-cases-using-openmp-as-backend/649 "2022-07-17T13:54:24Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![hwtang](https://avatars.discourse-cdn.com/v4/letter/h/a87d85/32.png) [@hwtang](https://pyfr.discourse.group/u/hwtang)\
**Post date:** [18 July 2022 00:23 UTC](https://pyfr.discourse.group/t/failed-to-run-example-cases-using-openmp-as-backend/649/3 "2022-07-18T00:23:25Z")

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Still failed. Does this mean something wrong with the openmpi installation?

```auto
$ pyfr run -b openmp -p inc_cylinder_2d.pyfrm inc_cylinder_2d.ini
Segmentation fault (core dumped)

```

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