Re: Connection loss (IWD HEAD with latest OWE / BSS selection patches) - brcmfmac driver

Martin Petzold
2024-10-25T22:22:13Z

Hi all,

Am 25.10.24 um 17:17 schrieb James Prestwood:
>> [...]
>> I'm quite sure this is related to your BSS / AKM patch. It happened
>> on a client here after an image upgrade to this version. I have never
>> seen this before.
> For WPA2 those patches _should_ have zero effect. Based on your logs
> the behavior here is entirely different than with OWE. Before the
> connection to the OWE network was actually failing (failed within
> brcmfmac). Here IWD tried to connect and got no event back from the
> driver. To know this without a doubt we would need to to run iwmon and
> see the communication between IWD and the kernel.
>>
>> Also, I have debugging for BRCM enabled (CONFIG_BRCMDBG=y and
>> CONFIG_DEBUG_FS=y). It sounds strange if there is no output, even not
>> before.
>
> Maybe Arend has some idea of why userspace could send a CMD_CONNECT
> and get no associated CMD_CONNECT event?
>
> The fact that even manually connecting didn't work after this happened
> tells me the driver is "stuck". Did you try cycling the driver with
> modprobe?

There may have been a problem on my side, sorry. I will come back, if I
see this again.

Thanks and best regards,

Martin