# ROS2

**URL:** https://forums.windriver.com/c/wind-river-labs/ros2/12.md

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## [About the ROS2 category](https://forums.windriver.com/t/about-the-ros2-category/20)

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**Author:** [@wradmin](https://forums.windriver.com/u/wradmin)\
**Replies:** 0

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## [Fast DDS HelloWorld RTP crashes with signal 4 on VxWorks 7 QEMU?](https://forums.windriver.com/t/fast-dds-helloworld-rtp-crashes-with-signal-4-on-vxworks-7-qemu/1202)

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**Author:** [@caoyan](https://forums.windriver.com/u/caoyan)\
**Replies:** 5\
**Last updated:** [October 30, 2025, 9:51am UTC](https://forums.windriver.com/t/fast-dds-helloworld-rtp-crashes-with-signal-4-on-vxworks-7-qemu/1202 "2025-10-30T09:51:40Z")

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Hi, I have successfully built Fast DDS 3.3.0 and its HelloWorld example using the wr-cc cross compiler for VxWorks 7 (x86\_64, QEMU target). The build process completed without any errors, and the executable hello\_world …