openwrt / openwrt/mt76

MT7628 OpenWrt 21.02 - MCU message 08 (seq 1) timed out

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Dominant language
C
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Forks
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Description

OpenWrt 21.02 commit https://github.com/openwrt/openwrt/commit/0e0192098a52568d46bdde48a5749f13d3093fc5

Wifi stops working after 3-4 minutes loading of ubuntu iso via torrent. There is a message in the log after 'wifi down' command:
mt76_wmac 10300000.wmac: MCU message 08 (seq 1) timed out

The same problem on 21.02.1, but needs more time for triggering. All works fine on 19.07.8 version

WiFi config:
/etc/config/wireless

config wifi-device 'radio0'
option type 'mac80211'
option path 'platform/10300000.wmac'
option channel '6'
option band '2g'
option htmode 'HT40'
option distance 'auto'
option country 'RU'
option cell_density '2'
option disabled '0'

config wifi-iface 'default_radio0'
option device 'radio0'
option network 'lan'
option mode 'ap'
option encryption 'psk2+ccmp'
option disassoc_low_ack '0'
option ssid 'Test'
option key '123456789'

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the failure on an MT7628 using the supplied OpenWrt 21.02 configuration and sustained torrent download, watching for the mt76_wmac MCU message 08 timeout after wifi down. Compare behavior with OpenWrt 19.07.8 and the linked 21.02 commit; the issue is resolved when WiFi remains usable under the workload without that timeout.

Written by the indexing model from the issue text.

Assessment

Tech stack
c, linux
Domain
embedded-iot, networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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