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Hi,
To make sure this is not an application issue, I went through the GUI setup steps here: https://github.com/aws/aws-fpga/blob/master/developer_resources/DCV.md
I was able to launch vitis_hls with the 1.10.0 Dev AMI after that with the DCV Viewer to view/access the desktop.
In your case, Are you trying to forward X? If so, can you check if access control for X is set to allow connections on your client?
To do that, run:
xhost +
If that doesn't work, could you try the DCV steps as that should work.
-Deep
Thanks so much for the reply. I will definitely try DCV later if X doesn't work out for me.
So how I solve the problem is that since "vitis_hls" doesn't give any helpful message, I instead tried to run "vitis" GUI version - which did give out useful information.
I just followed the error message and installed the missing dependencies - the last one being sudo yum install webkitgtk3 (sorry, didn't document everything..). Then was able to launch vitis.
What's interesting is that after configuring "vitis", "vitis_hls" also launches correctly - so problem solved.
Moving on, could I request two things from the FPGA Developer AMI team?
- Would it be possible to automatically install missing dependency for GUI version as well in "vitis_setup.sh" and "Vitis_HLS/2020.2/settings64.sh"? Would be so much helpful for novice users like me :)
- Could you make vitis_hls to generate an error log like vitis? Currently, it is too difficult to debug vitis_hls problem without any hints on what's going on.
Thanks!
-Young
Hi Young,
That is very good feedback. I will add the Vitis HLS setup part as an AI for us to improve on and provide feedback to Xilinx on the Vitis HLS error handling.
On the GUI front, we validate and suggest using DCV as it is provided and supported by AWS. Other methods can break in the Centos repository due to a package update/dependency issue. That is one big reason why we may not be able to bake in support for other methods.
Thanks!
-Deep
Thanks for the explanation.
I looked at DCV in the link you provided, but it says it is free only up to 15 days.
I am trying to get my students to use it, so any additional cost is too burdensome. I will see if I can get it working on X, and switch to DCV if there are too many problems.
Hi Young,
A clarification on DCV: DCV is free for use on EC2. You can setup your instances to allow access to S3 buckets like shown here: https://docs.aws.amazon.com/dcv/latest/adminguide/setting-up-license.html#setting-up-license-ec2
-Deep
Thanks. I found that DCV has much less latency than GUI version, and decided to use that flow.
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