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Huawei Atlas 200 DK: Body...

Huawei Atlas 200 DK: Body_Pose Github sample project not working. Error in main.py

Created: Apr 14, 2021 10:10:31Latest reply: Apr 16, 2021 01:29:43 683 16 1 0 0
  Rewarded HiCoins： 0 (problem resolved)
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Hello everyone!

I am working on a sample project from Github from Huawei for my Huawei Atlas 200 DK. It is a body pose detection project. I want to use the Huawei Atlas 200 DK with the CAMERA0 port (MIPI-CSI Camera).
Here is the link to the Github sample project: GitHub - Atlas200dk/sample_bodypose

I am almost done but at the end I am facing a problem. When I try to run the body detection python script it fails to find the acl.so shared library file.

I get an error when executing following:
cd ~/HIAI_PROJECTS/sample_bodypose/code_live
python3 main.py --model='model/body_pose.om'

(You can find this on the Github page)

The python scrupt fails. It is telling me:

ImportError: /home/HwHiAiUser/Ascend/acl.so: cannot open shared object file: No such file or directory

error_message


But this it not true. /home/HwHiAiUser/Ascend/acl.so does exist!

prove that acl.so exists


Also LD_LIBRARY_PATH in /home/HwHiAiUser/.bashrc is set properly I think. I simply coppied it from the Github page.

GithubAIHuaweiHuawei Atlas 200 DKAtlas 200 DK

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(1) (0)
_xyt
Created Apr 16, 2021 01:29:43

refer this to deploying pyACL aarch64
https://support.huaweicloud.com/intl/en-us/dedg-A200dk_3000_c75/atlased_04_0017.html
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Daniel_EdgeAI
Daniel_EdgeAI Created Apr 16, 2021 07:37:40 (0) (0)
Thank you this solved my problem! I had do install PyACL on the Huawei Atlas and this link explains straight forward how to do it.

THANK YOU!

If someone also has this problem in the future: Don't forget to set the pythonpath variable. After running the pyACL runfile from the link it tells you to not forget the Pythonpath.  
Daniel_EdgeAI
Daniel_EdgeAI Created Apr 16, 2021 07:38:34 (0) (0)
Unfortunately there is a new problem now but I will create a new post for it for more clarity.  
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(1) (0)
2#
olive.zhao
olive.zhao Admin Created Apr 14, 2021 10:11:45

Hello, dear!
It's nice to meet you in the community.
We're working on your problem. Please be patient.
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3#
_xyt
_xyt Created Apr 14, 2021 10:15:17

Hi,
you should add the path to $PYTHONPATH.
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4#
Daniel_EdgeAI
Daniel_EdgeAI Created Apr 14, 2021 10:24:29

Posted by _xyt at 2021-04-14 10:15 Hi,you should add the path to $PYTHONPATH.

Hi _xyt!
I added the environment variable PYTHONPATH to /home/HwHiAiUser/.bashrc but the problem is still there

My PYTHONPATH in .bashrc:

.bashrc PYTHONPATH is there


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5#
Daniel_EdgeAI
Daniel_EdgeAI Created Apr 14, 2021 11:28:31

Posted by _xyt at 2021-04-14 10:15 Hi,you should add the path to $PYTHONPATH.
Do you maybe know whats the problem? It is very strange that it says the file doesn't exist even tough it is available at the exact location...Huawei Atlas 200 DK: Body_Pose Github sample project not working. Error in main.py-3882703-1
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6#
_xyt
_xyt Created Apr 15, 2021 01:37:33

Hi,
（1）when you add the path, do you source ~/.bashrc ?

（2）And acl.so is a true file？

https://gitee.com/ascend/samples/blob/master/cplusplus/environment/prepare_ENV/README_200DK_EN.md

2

（3）ldd acl.so

1


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little_fish
little_fish Created Apr 15, 2021 01:46:33 (1) (0)
Thanks.  
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7#
Daniel_EdgeAI
Daniel_EdgeAI Created Apr 15, 2021 06:24:08

Posted by _xyt at 2021-04-15 01:37 Hi, （1）when you add the path, do you source ~/.bashrc ?（2）And acl.so is a true file？https://git ...

(1) Yes I executed source ~/.bashrc
(2) acl.so is a file. It is not a symlink or directoryacl.so is a real file

(3) The output of ldd /home/HwHiAiUser/Ascend/acl.so doesn't look like your output ...

ldd output is wrong

Do you maybe know what could be the issue here?

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8#
Daniel_EdgeAI
Daniel_EdgeAI Created Apr 15, 2021 08:03:03

Posted by _xyt at 2021-04-15 01:37Hi, （1）when you add the path, do you source ~/.bashrc ?（2）And acl.so is a true file？https://git ...

On my Ubuntu PC (development environment) the ldd utility prints messages which look almost like your screenshot:

ldd on Ubuntu PC is working but not on Atlas 200 D

After sending it to the Huawei Atlas 200 DK using scp the ldd utility says: "not a dynamic executable".
Do you know whats the problem with it? I am using ascend-toolkit 20.1.rc

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9#
sliawatimena
sliawatimena Created Apr 15, 2021 08:36:23

Cross compiling it first?
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10#
Daniel_EdgeAI
Daniel_EdgeAI Created Apr 15, 2021 09:17:18

Posted by sliawatimena at 2021-04-15 08:36Cross compiling it first?

Hi!
This could maybe be the problem. I think my acl.so file is for x86 because it is located in $HOME/Ascend/ascend-toolkit/20.1.rc1/acllib_linux.x86_64/pyACL/python/site-packages.
I didn't think of it because I used a symlink without noticing that it is from acllib__linux.x86_64.

Do you know how to generate a .so file with the crosscompiler? I've never done this before.

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