Am 06.12.2013 11:18, schrieb David Herrmann: > Hi > > I am currently working on user-space helpers for P2P setup as part of > an Open-Source Miracast implementation (openwfd). I can set up a > P2P-group with my Android test-device just fine, however, it only > works if initiated by the GNU/Linux host. Once I initiate the > p2p-connect from the Android device, it creates a group and sends me a > p2p-invitation which I am unable to accept. > > I am running wpa_supplicant-git from today (but also tried older > versions), ath9k-htc from linus-git (3.13-rc2) and the relevant log > files are appended. > > My wpa-config is: > ctrl_interface=/var/run/wpa_supplicant > update_config=1 > p2p_go_ht40=1 > > And I do nothing else than open wpa_cli and run: > p2p_find > p2p_connect <peer> pbc > > This works perfectly well if I don't touch the Android device before > issuing the p2p_connect. However, if I initiate the first connect on > the Android device, my linux host gets a p2p-invitation: > <3>P2P-INVITATION-RECEIVED sa=12:68:3f:4e:39:f2 > go_dev_addr=12:68:3f:4e:39:f2 bssid=12:68:3f:4e:b9:f2 unknown-network > > I tried accepting this invitation via p2p_connect, but just nothing > happens. I also tried any combination of arguments > (auth/join/persistent, pbc/pin/PIN#, playing with go_intent=), didn't > help.. > > Looking at the wpa-log, I see a timeout firing repeatedly: > P2P: GO Negotiation Request TX callback: success=1 > P2P: State CONNECT -> CONNECT > P2P: Set timeout (state=CONNECT): 0.500000 sec > P2P: Timeout (state=CONNECT) > Below you can see the whole sequence of wpa-messages that repeat over > and over again until I cancel the connection-request. > > For WFD I need to initiate the connect from the Android device, > otherwise their WFD stack won't recognize the connection. So if anyone > has hints what might be wrong here, I'd gladly try out any patches or > configurations. > I cannot test whether this happens with other drivers, too, as I > couldn't get my hands on a device other than ath9k-htc which supports > p2p on linux. > > If anyone is interested, I'll be presenting OpenWFD at FOSDEM in the > graphics-devroom. It would be awesome if I can get my Nexus-4 as a > working demo until then. Otherwise, it'll be just linux<->linux demos > (non-android), which is already working fine. Is it related to your "Atheros AR9280: NULL-deref during P2P setup" issue? Or it is not reproducible any more? -- Regards, Oleksij -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
