Hi Alexander,
thanks for the detailed analysis.
I will follow your advice and check, if a different network card will make a difference.
I have a usb wifi-pen that I can use.
Before that, I will check another thing. From debian-user-german I know, that other people
do experience the same problem, but others dont. At the moment I have disabled ipv6 and wait
if the problem still exists.
After that I will try the wifi pen.
After checking everything I may be installing the new wpasupplicant. But I am afraid it will
be difficult because it may break debians package system.
Jürgen
> Gesendet: Dienstag, 07. Januar 2020 um 11:37 Uhr
> Von: "Alexander Wetzel" <alexander@xxxxxxxxxxxxxx>
> An: hostap@xxxxxxxxxxxxxxxxxxx, Juergen.Bausa@xxxxxx
> Betreff: Re: Problems connecting to Fritzbox
>
> My advice here would be:
> Verify that you have the issue with different network cards on your
> client. So far you just confirmed that you have two systems showing the
> same issue when connecting to the same type of AP. When both are using
> the same card/driver it still could be an issue in it.
>
> You can also check if you see the same log pattern for "working" clients
> in your AP. (Btw: I don't think the AP reconnects you due to switching
> to full power. Looks more like it's the other way round: The AP notices
> it has lost a connected station and ramps up the power, assuming it may
> have gotten out of range what we know now must be a handshake issue.)
>
> Depending on the outcome you can then ask either the vendor of the AP or
> the driver authors what they think about that issue.
>
> The pragmatic solution here would be to just confirm the commit
> 84877f253 ("wpa_supplicant: Do not try to detect PSK mismatch during PTK
> rekeying") is successful mitigating the issue. You will still have the
> disconnects, but the next reconnect should be working again without
> prompting you for the password. (If you have multiple Wlans you can
> connect to probably will end up in another one.)
>
>
> Alexander
>
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