dead lock in ndt_gpu - Githubissues

autowarefoundation / autoware_ai_perception

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dead lock in ndt_gpu #56

Open xiaotaw opened 3 years ago

xiaotaw commented 3 years ago

Bug report

Required information:

Operating system and version:
- ubuntu 16.04
Autoware installation type:
- source
Autoware version or commit hash
- master
ROS distribution and version:
- kinetic
ROS installation type:
- http://wiki.ros.org/kinetic/Installation
Package or library, if applicable:
- ndt_gpu

Description of the bug

using ndt_gpu package, some times it get trapped at buildParent.

It seems a dead lock, caused by an unnecessary __syncthreads() at line 1303, under an if block.

Steps to reproduce the bug

I met this bug running on my own data, at one computer, but did not at another computer. It may depends on hardware.

Expected behavior

Actual behavior

Screenshots

Additional information

Cenbylin commented 3 years ago

My environment has the same question on sample_moriyama_data.