Dropping packets on Jetson TX1 #737
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Next time use top -d1 visually to report per thread usage (H thread view, V tree view, I Irix mode to report per core usage). |
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Started Protonect at 50 second line
Started Protonect just after the top of the right terminal |
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Certain USB problem. I'll look into it. |
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I believe this is an issue with registration being too slow. If you run |
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Merge into #744. |
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Overview Description:
I'm getting extremely low frame rates on Ubuntu 16.04 on the Jetson TX1. Dropping lots of packets. In Protonect, the frame rate is aroun 15 fps, when I launch in iai_kinect, at full resolution, the framerates go down to 1-2 fps. Rtabmap completely refuses to try mapping.
Version, Platform, and Hardware Bug Found:
9fabdc7 Merge pull request #734 from RealRecon/fix_cmakeLinux tegra-ubuntu 3.10.96-tegra #1 SMP PREEMPT Wed Sep 28 17:51:08 PDT 2016 aarch64 aarch64 aarch64 GNU/Linux/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=tegra-ehci/1p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 2: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 2: Dev 3, If 1, Class=Human Interface Device, Driver=usbhid, 12M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=tegra-xhci/4p, 5000M |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M |__ Port 2: Dev 8, If 0, Class=Hub, Driver=hub/4p, 5000M |__ Port 1: Dev 10, If 0, Class=Hub, Driver=hub/1p, 5000M |__ Port 1: Dev 11, If 0, Class=Vendor Specific Class, Driver=, 5000M |__ Port 1: Dev 11, If 1, Class=Vendor Specific Class, Driver=, 5000M |__ Port 1: Dev 11, If 2, Class=Audio, Driver=snd-usb-audio, 5000M |__ Port 1: Dev 11, If 3, Class=Audio, Driver=snd-usb-audio, 5000M |__ Port 2: Dev 9, If 0, Class=Video, Driver=uvcvideo, 5000M |__ Port 2: Dev 9, If 1, Class=Video, Driver=uvcvideo, 5000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=tegra-xhci/5p, 480M |__ Port 3: Dev 5, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 1: Dev 8, If 0, Class=Hub, Driver=hub/1p, 480M |__ Port 3: Dev 7, If 0, Class=Mass Storage, Driver=usb-storage, 480MSteps to Reproduce:
protonectActual Results:
Expected Results:
No dropped packets.
Reproducibility:
Happens every time. Followed all instructions for building libfreenect for Nvidia.
Additional Information:
Perhaps the USB does not have enough bandwidth? Observed this behavior both using a USB 3 hub and plugging directly into the board.
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