Patrick,

I run iwd on RPi, but I am using Arch Linux. I've never tried it with
RaspiOS. Works pretty well, though I am having a re-connect issue that we
are trying to debug.

My guess is that you compiled the kernel to remove this message in the log:

Aug 23 22:52:24 rune64 iwd[235]: No Diffie-Hellman support found, WPS will
not be available
Aug 23 22:52:24 rune64 iwd[235]: The following options are missing in the
kernel:
Aug 23 22:52:24 rune64 iwd[235]:         CONFIG_KEY_DH_OPERATIONS

This is harmless and I have no problems connecting with this notification.
I think it means I cannot use WPS which I do not.

Are you trying to connect using the iwctl commands?

iwctl station wlan0 scan
iwctl station wlan0 get-networks
iwctl station wlan0 connect 'Network_Name"

It should return with

Type the network passphrase for "Network_Name" psk.
Passphrase: ********

or are you using connman to manage iwd?
Do you have an /etc/iwd/main.conf? If so, what is in it?

I assume you have enabled and started iwd.

Keith


On Sat, Aug 29, 2020 at 7:59 AM Patrick Häcker <pat_h@web.de> wrote:

> Hello,
>
> I try to get iwd running on a Raspberry Pi using a Raspbian kernel
> (5.4.59).
> The needed kernel options should be added (https://github.com/raspberrypi/
> linux/issues/3547 <https://github.com/raspberrypi/linux/issues/3547>),
> wpa_supplicant works, I compiled a kernel adding
> CONFIG_KEY_DH_OPERATIONS (which was the only remaining complaint by iwd),
> upgraded to iwd 1.8 but had no success.
>
> Now I am running out of ideas what else to try. The (hopefully) relevant
> part
> of iwd running in debug mode for 2.4 GHz:
> > src/station.c:station_autoconnect_next() Considering autoconnecting to
> BSS
> >     '98:9b:cb:4b:b1:cc' with SSID: auenstein, freq: 2472, rank: 7090,
> >     strength:  -5600
> > src/station.c:station_enter_state() Old State: autoconnect_quick, new
> >     state: connecting
> > src/station.c:station_netdev_event() Associating
> > src/netdev.c:netdev_unicast_notify() Unicast notification 59
> > src/netdev.c:netdev_mlme_notify() MLME notification Connect(46)
> > src/netdev.c:netdev_connect_event()
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/wiphy.c:wiphy_reg_notify() Notification of command Reg Change(36)
> > src/wiphy.c:wiphy_update_reg_domain() New reg domain country code for
> >     (global) is DE
> > 4-Way handshake failed for ifindex: 3, reason: 15
> > src/station.c:station_connect_cb() 3, result: 3
> > src/station.c:station_disassociated() 3
> > src/station.c:station_enter_state() Old State: connecting, new state:
> >     disconnected
>
> And the same for 5.6 GHz with a different error:
> > src/station.c:station_autoconnect_next() Considering autoconnecting to
> BSS
> >     '98:9b:cb:4b:b1:cd' with SSID: auenstein5G, freq: 5600, rank: 4592,
> >     strength: -6500
> > src/station.c:station_enter_state() Old State:
> >     autoconnect_quick, new state: connecting
> > src/station.c:station_netdev_event() Associating
> > src/netdev.c:netdev_unicast_notify() Unicast notification 59
> > src/netdev.c:netdev_mlme_notify() MLME notification Connect(46)
> > src/netdev.c:netdev_connect_event()
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/wiphy.c:wiphy_reg_notify() Notification of command Reg Change(36)
> > src/wiphy.c:wiphy_update_reg_domain() New reg domain country code for
> >     (global) is DE
> > src/netdev.c:netdev_link_notify() event 16 on ifindex 3
> > src/netdev.c:netdev_mlme_notify() MLME notification Disconnect(48)
> > src/netdev.c:netdev_disconnect_event()
> > Received Deauthentication event, reason: 2, from_ap: false
> > src/station.c:station_disconnect_event() 3
> > src/station.c:station_disassociated() 3
> > src/station.c:station_enter_state() Old State: connecting, new state:
> > disconnected
>
> I could imagine, that there is still a kernel module missing, but this is
> just
> guessing. Any hints how to continue debugging?
>
> I still think that iwd would be a good match for the Raspberry Pi and
> ideally
> after this issue is fixed most Raspberry Pi user can switch to iwd if they
> like.
>
> Kind regards
> Patrick_______________________________________________
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