MT76x2e on Samknows Whitebox 8 - 2.4GHz radio (`radio0`) fails to start

[isidorosss]

Device Info

• Model: SamKnows Whitebox 8
• SoC: MediaTek MT7621 ver:1 eco:3
• WiFi Chip: MT76x2e
• OpenWrt Version: 23.05.3
• Kernel Version: 6.6.93

Problem Description

The

openwrtlog.txt

. Kernel logs show no PHY found for the device. Changing hwmode from '11a' to '11g' in /etc/config/wireless resolves the issue.

Log Excerpt

netifd: radio0: Could not find PHY for device 'radio0'
netifd: Bug: PHY is undefined for device 'radio0'

Steps to Reproduce

1. Flash OpenWrt 23.05.3
2. Boot device and check wireless status
3. Observe that 2.4GHz radio is missing
4. Fix by editing /etc/config/wireless and changing hwmode to '11g'

Additional Notes

• Issue seems to stem from incorrect default config
• Similar case discussed in OpenWrt Forum

Thanks for your work on OpenWrt and mt76!