CachyOS / CachyOS/linux-cachyos
[BUG] MT7921K HANDSHAKE TIMEOUT (reason 15)
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Description
### Pre-flight checklist
- [x] I have searched existing issues and this is not a duplicate.
- [x] I have read the [Contributing Guidelines](https://github.com/CachyOS/linux-cachyos/blob/master/CONTRIBUTING.md).
- [x] I have verified the issue is reproducible with the latest available CachyOS kernel.
- [x] I have tried to reproduce the issue on Arch Linux's `linux` kernel.
### Upstream / vanilla kernel check
I tested with a vanilla/upstream kernel and the issue ALSO reproduces there (upstream bug — please report upstream)
### Kernel variant
linux-cachyos (EEVDF, Clang)
### System information (cachyos-bugreport.sh)
```text
https://paste.cachyos.org/p/5f62904.log
```
### Manual system information (if cachyos-bugreport.sh is unavailable)
```text
```
### Bug description
This bug is afaik a regression in several wifi drivers (no just MT7921K). Where the connection became unstable, asking several times for password, only working on some of the bands (5GHz or 2.4GHz) or requiring disabling some feature using modprobe.
Here's the upstream issue for media tech driver
https://github.com/openwrt/mt76/issues/1103
Here's the CachyOS Forum discussion
https://discuss.cachyos.org/t/wifi-asking-for-password-again-and-again/34206/8
### Steps to reproduce
1. Try to connect to wifi network
### Expected behavior
Connect as usual
### Actual behavior
System keeps prompting for password and can't connect
### Logs / stack traces
```text
```
### Additional system information
_No response_
Contributor guide
Assessment
This issue has not been assessed yet.