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Inactive Color Channel with IMU (D455, windows 10)

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Miyamoto Ken

HW: D455

OS: Windows 10. 

SDK: v2.40.0

 

Recently, I updated the firmware through Intel RealSense Viewer v2.40.0.

After that, color channel is inactive after imu (motion module) is activated.

Concretely, if I turn on motion module at once, color channel is inactive.

The problem is not occurred when activating mix of depth and color. 

The mix of imu and color evokes the problem, I guess. 

 

The similar phenomena is happened in my c++ code. 

rs2_error is outputted when starting pipeline. 

The error is "RS2_EXCEPTION_TYPE_INVALID_VALUE". 

 

I'm happy if the problem is resolved soon. 

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Comments

5 comments

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  • Miyamoto Ken

    I've tried the same process with D435i. 

    The same problem was happened. 

     

    I guess that it's the common problem among IMU implemented D4XX series. 

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  • MartyG
    • Edited

    Hi Miyamoto Ken  You are correct, this is a known issue.   Information about it can be found in the link below.

    https://github.com/IntelRealSense/librealsense/issues/7584 

    When creating your own application, a fix for the issue is to create separate pipelines for the streams (put IMU on one pipeline on its own and depth / color on the other) or use callbacks.

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  • Miyamoto Ken

    Hi MartyG, Thank you for your post. I got understand the current librealsense spec. 

     

    I will roll back the sw version at first.

    I remember that my sw and the realsense viewer are active on the older one (ex: 2.38.1).

    If you notice something in my sw fix strategy, let me know it.

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  • MartyX Grover
    • Edited

    If you are using firmware version 5.12.8.200 or newer then I would recommend using SDK 2.39.0 or newer.  This is because of changes in the firmware from 5.12.8.200 onwards.

    If you wish to use SDK 2.38.1 then I recommend using firmware version 5.12.7.100.

     

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  • Miyamoto Ken

    Hi MartyG, thank you for your advice. It's helpful. 

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