Belkin RT3200/MT7915E: "bad VHT capabilities, disabling VHT" on client side w/ ax200
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- Dominant language
- C
- Stars
- 888
- Forks
- 436
- PR merge metrics
- No merged PRs in 30d
Description
I noticed on my Intel AX200-based client (kernel 6.0.13, Fedora) in the dmesg the following messages when connecting to my Belkin RT3200:
[327897.958286] wlp3s0: authenticate with MA:CA:DD:RE:SS:SS
[327897.964049] wlp3s0: bad VHT capabilities, disabling VHT
[327897.964051] wlp3s0: Invalid HE elem, Disable HE
[327897.964053] wlp3s0: 80 MHz not supported, disabling VHT
I am under the impression that this is a new issue that popped up after upgrading my router to OpenWrt SNAPSHOT r21452-1e240f60a5 ("kernel: modules/lib-lz4: add lz4hc_compress") . Could this be a regression in MT76?
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the AX200 connection against the Belkin RT3200 on the reported OpenWrt SNAPSHOT and kernel 6.0.13, collecting the dmesg capability warnings. Then inspect the MT76 wireless capability handling and compare behavior before and after the snapshot; done means identifying whether MT76 caused the regression and documenting a focused fix or confirmed non-regression.
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Assessment
- Tech stack
- c, linux
- Domain
- networking, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 28/100