vc4.ko causes another misterious error

[Stefan Wahren]

Hi Ryutaroh,

Am 26.03.21 um 01:29 schrieb Ryutaroh Matsumoto:
> Hi Stefan, thanks again for your response!
>
>> In order to narrow this down (more a general 5 GHz or a DFS specific
>> issue), are you able to change temporary the channel of your AP to one
>> of the following:
> (deleted frequencies here)
>> and retest with enabled vc4? Does the situation improve?
> I should be able to do that. But before doing that, I'd like to confirm the following situation.
> The reported problem between 5GHz WiFi and vc4.ko is observed with
> plain Debian kernel 5.10.24 and Debian firmware-brcm80211 20201218-3.

this is a kernel mailing list, so we only try to fix kernel issues.
Firmware issues must be forwarded to the Raspberry Pi foundation who
finally forward this to Cypress.

So please stick to firmware-brcm80211 20201218-3 for our investigations
regarding the 5 GHz issue.