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Bug#985632: firmware-brcm80211: [REGRESSION] RPi4B 5GHz WiFi stopped working with 20210208-4, 20201218-3 was fine



severity 985632 important
tags 985632 moreinfo
stop

On Sun, Mar 21, 2021 at 09:59:45AM +0900, Ryutaroh Matsumoto wrote:
> Package: firmware-brcm80211
> Version: 20210208-4
> Severity: grave
> Tags: sid bullseye
> Justification: renders package unusable

please provide info on the affected hardware,
also using apropriate bug levels would be nice.

> 5GHz WiFi stopped working with 20210208-4.
> iw wlan0 scan does not show SSID of 5GHz WiFi.
> With 20201218-3, 5GHz worked fine,
> provided that vc4.ko is blacklisted (see #981616).

please show affected dmesg output working and non working,
the difference between 20210208-3 20210208-4 is minimal,
hence it should be easy to find out what broke?

thank you for your report + kind regards,

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