[HWE] Cannot access /dev/dri/renderD129: no such file or directory

You're cherry-picking one error message from the HWE test log. There are several tests performed as the software tries to figure out which type of hardware you use and if its setup as renderD128 vs renderD129 etc.

You have been great here, I just want to acknowledge that and say I appreciate your help.

This is really good info.

I will test this.

I'm just trying to figure out the logs, nothing more nothing less.

If you say I don't need to worry about it then I'll take your word for it. I am just trying to get some background into this in the future so that I don't have to make a post.

In Linux administration we normally don't ignore log errors, so again, I'm just trying to get a sense of what's happening.

Just trying to help.

One thing to remember though: what works for me may not work for you, as our setups are probably quite different. Use the offered advice as a guide or framework, but not as gospel. Also, don't give up; patience is usually rewarded.

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If you post the entire output of the HWE test then I can explain what's going on.

As requested!

Lot of stuff taking up the page. lol

Attempt #1 using renderD129, fails.

Attempt #2 with renderD128, succeeds:

Attempt #3 with renderD128 and hardware deinterlacing, also succeeds. This configuration is used and no other tests are performed.

Unrelated but your firewall is preventing access to Cloudflare dns which is required for SSL certificate generation so that's failing:

Yes, I block all outbound DNS requests. Does Channels require Cloudflare for a specific reason?

Also,
Thank you for taking the time to break all that down. I appreciate your effort.

We host our dns on Cloudflare and the TLS certificate generation process needs to be able to query for certain dns records directly.

Ah. So I'll create a rule for that so I don't break something. Awesome. Thank you!