Can you check if you're running JetPack 4.6 with VPI installed? Can you post the contents of /etc/nv_tegra_release here? It should show R32, Revision 6.1. Do you have the file /opt/nvidia/vpi1/lib64/libnvvpi.so.1.1.11 installed on your Xavier as well?

The compilation issues seems like a previous version of VPI installed which may mean an older JetPack installation.

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I thought I had upgraded successfully to 6.1, but your diagnosis was correct, and once I did an apt full-upgrade I got the correct output from:
more /etc/nv_tegra_release

R32 (release), REVISION: 6.1, GCID: 27863751, BOARD: t186ref, EABI: aarch64, DATE: Mon Jul 26 19:36:31 UTC 2021

here are the contents of /opt/nvidia/vpi1/lib64: libnvvpi.so libnvvpi.so.1 libnvvpi.so.1.1.12 python

I apologize for taking up your time on that one.

Now when I try to build the ros_common package I am getting this error:

admin@bruce-xavier:/workspaces/isaac_ros-dev$ colcon build
Starting >>> isaac_ros_common
Starting >>> isaac_ros_test
Finished <<< isaac_ros_test [1.91s]
--- stderr: isaac_ros_common
make[2]: *** No rule to make target '/opt/nvidia/vpi1/lib64/libnvvpi.so.1.0.15', needed by 'libisaac_ros_common.so'. Stop.
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [CMakeFiles/isaac_ros_common.dir/all] Error 2
make: *** [all] Error 2

Failed <<< isaac_ros_common [7.58s, exited with code 2]

Summary: 1 package finished [8.05s]
1 package failed: isaac_ros_common
1 package had stderr output: isaac_ros_common

bb

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I think the cmake files for VPI has not been updated. /usr/share/vpi1/cmake/vpi-config-version.cmake should list 1.1.11. In the stdout, I am seeing libnvvpi.so.1.0.15 which is the previous VPI version. Either that or you might need to clean build again to pick up the newer VPI version.

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This is what I get doing something in between other stuff. Yes, once I did a clean build (which I should have thought about), it compiled fine.

Thanks for your patience.

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