# Firmware with LPE master - strange position control

**URL:** <https://discuss.px4.io/t/firmware-with-lpe-master-strange-position-control/9817>\
**Category:** Flight Testing & Log Analysis\
**Created:** [March 1, 2019, 10:53am UTC](https://discuss.px4.io/t/firmware-with-lpe-master-strange-position-control/9817 "2019-03-01T10:53:35Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![charles-blouin](https://discuss.px4.io/user_avatar/discuss.px4.io/charles-blouin/32/3932_2.png) [@charles-blouin](https://discuss.px4.io/u/charles-blouin)\
**Post date:** [March 1, 2019, 3:13pm UTC](https://discuss.px4.io/t/firmware-with-lpe-master-strange-position-control/9817/2 "2019-03-01T15:13:27Z")

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LPE is not supported anymore, and others have reported problems with mocap/vision (including me), see [here](https://discuss.px4.io/t/cannot-make-an-alt-hold-stable/9605).

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