# Sde9.9.0 call function bf\_rt\_table\_entry\_add interface error

**URL:** <https://forum.p4.org/t/sde9-9-0-call-function-bf-rt-table-entry-add-interface-error/872>\
**Category:** Uncategorized\
**Created:** [July 1, 2023, 3:13am UTC](https://forum.p4.org/t/sde9-9-0-call-function-bf-rt-table-entry-add-interface-error/872 "2023-07-01T03:13:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![patrick369](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.p4.org/patrick369/32/230_2.png) [@patrick369](https://forum.p4.org/u/patrick369)\
**Post date:** [July 1, 2023, 3:13am UTC](https://forum.p4.org/t/sde9-9-0-call-function-bf-rt-table-entry-add-interface-error/872/1 "2023-07-01T03:13:39Z")

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Hi all,  
I had a segment error calling the bf\_rt\_table\_entry\_add interface in SDE 9.9.0. When I run the built-in example bf-drivers-9.9.0/bf\_switchd/bfrt\_examples/build./tna\_counter\_c\_example, the same error occurs. When I open coredump, the following error occurs

 ![1.pic](https://us1.discourse-cdn.com/flex019/uploads/p4/original/1X/ae1542c57f42dd3b37457b1fac355286df75e0f0.png)

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**Author:** ![andyfingerhut](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.p4.org/andyfingerhut/32/17_2.png) [@andyfingerhut](https://forum.p4.org/u/andyfingerhut)\
**Post date:** [July 1, 2023, 3:33am UTC](https://forum.p4.org/t/sde9-9-0-call-function-bf-rt-table-entry-add-interface-error/872/2 "2023-07-01T03:33:33Z")

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For detailed questions about Tofino and its software, see the links in this answer for where to ask them: [Intel(r) Tofino™ Family, TNA, and P4Studio questions - Getting Started with P4 - P4 Programming Language](https://forum.p4.org/t/intel-r-tofino-tm-family-tna-and-p4studio-questions/504)