Hi Does anyone have an idea where to look into for that? Thanks David On Tue, Jan 7, 2014 at 3:37 PM, David Herrmann <dh.herrmann@xxxxxxxxx> wrote: > Hi > > Given that ath9k-htc and rtl8088 lack firmware features, I'm now on > iwlwifi-7260. As it uses P2P_DEVICE, I'm a little bit confused how to > get it working. I'm running wpa_supplicant-git from today, > linux-3.13-rc7 both with new and old mvm firmware (<=22.15.8.0). > However, I haven't been able to get *any* p2p-connection working with > my Android Nexus 4 device. > > I run wpa_supplicant as: > wpa_supplicant -d -Dnl80211 -c wpa.conf -i wlan0 -p > p2p_device=1,use_p2p_group_interface=1 > > My wpa.conf is: > ctrl_interface=/run/wpa_supplicant > ap_scan=1 > p2p_go_ht40=1 > device_name=david-ub > device_type=1-0050F204-1 > > In wpa_cli I run: > p2p_find > p2p_connect 12:68:3f:4e:39:f2 pbc > > On the remote Android device, I get the pbc-button-notification which > I simply accept. The go-negotiation succeeds but the group-formation > times out. > > wpa.log is appended. kernel-log has no information on iwlwifi other than: > > [ 3.282831] iwlwifi 0000:01:00.0: enabling device (0000 -> 0002) > [ 3.283670] iwlwifi 0000:01:00.0: irq 43 for MSI/MSI-X > [ 3.297821] iwlwifi 0000:01:00.0: loaded firmware version 22.15.8.0 > op_mode iwlmvm > [ 3.316875] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band > Wireless AC 7260, REV=0x144 > [ 3.317452] iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S > [ 3.318290] iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S > ... > [ 95.379965] iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S > [ 95.380215] iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S > [ 95.393749] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready > [ 326.788182] iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S > [ 326.788400] iwlwifi 0000:01:00.0: L1 Enabled; Disabling L0S > [ 326.802291] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready > [ 360.049401] IPv6: ADDRCONF(NETDEV_UP): p2p-wlan0-0: link is not ready > [ 360.083079] IPv6: ADDRCONF(NETDEV_CHANGE): p2p-wlan0-0: link becomes ready > > Lemme know if iwlwifi-debug options should be enabled and I can > provide a full debug log. > There are a bunch of errors in the wpa_supplicant log during startup, > but I think they're related to nl80211+P2P_DEVICE and expected? > These include: > Could not read interface p2p-dev-wlan0 flags: No such device > nl80211: Use separate P2P group interface (driver advertised support) > nl80211: interface p2p-dev-wlan0 in phy phy0 > nl80211: Set mode ifindex 0 iftype 10 (P2P_DEVICE) > nl80211: Failed to set interface 0 to mode 10: -22 (Invalid argument) > > The GO-negotiation itself succeeds. However, the following > group-formation fails, the relevant part of the log is probably this: > > P2P-GO-NEG-SUCCESS role=GO freq=5180 ht40=0 peer_dev=12:68:3f:4e:39:f2 > peer_iface=12:68:3f:4e:b9:f2 wps_method=PBC > p2p-dev-wlan0: P2P: Starting GO > p2p-dev-wlan0: P2P: Request scan (that will be skipped) to start GO) > p2p-dev-wlan0: Setting scan request: 0.000000 sec > p2p-dev-wlan0: State: DISCONNECTED -> SCANNING > Start a pre-selected network without scan step > Setting up AP (SSID='DIRECT-EM') > nl80211: Setup AP operations for P2P group (GO) > nl80211: Set mode ifindex 0 iftype 9 (P2P_GO) > nl80211: Failed to set interface 0 to mode 9: -22 (Invalid argument) > nl80211: Try mode change after setting interface down > nl80211: Stop P2P Device p2p-dev-wlan0 (0x2): Success > nl80211: Set mode ifindex 0 iftype 9 (P2P_GO) > nl80211: Failed to set interface 0 to mode 9: -22 (Invalid argument) > nl80211: Start P2P Device p2p-dev-wlan0 (0x2): Success > nl80211: Interface mode change to 9 from 10 failed > nl80211: Remove monitor interface: refcount=0 > p2p-dev-wlan0: Failed to start AP functionality > p2p-dev-wlan0: State: SCANNING -> DISCONNECTED > nl80211: Set p2p-dev-wlan0 operstate 0->0 (DORMANT) > netlink: Operstate: ifindex=0 linkmode=-1 (no change), operstate=5 > (IF_OPER_DORMANT) > nl80211: Drv Event 56 (NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL) received > for p2p-dev-wlan0 > nl80211: Remain-on-channel event (cancel=1 freq=2462 channel_type=0 > duration=0 cookie=0x3e (match)) > p2p-dev-wlan0: Event CANCEL_REMAIN_ON_CHANNEL (22) received > P2P: Cancel remain-on-channel callback (p2p_long_listen=0 ms > pending_action_tx=(nil)) > p2p-dev-wlan0: Radio work 'p2p-listen'@0x1e930e0 done in 0.090383 seconds > P2P: Driver ended Listen state (freq=2462) > P2P: Skip stop_listen since not in listen_only state. > P2P: Group Formation timed out > P2P: Group Formation failed with 12:68:3f:4e:b9:f2 > P2P: Clear timeout (state=PROVISIONING) > P2P: State PROVISIONING -> IDLE > P2P-GROUP-FORMATION-FAILURE > > > Any hints are welcome. If there's any debug-option I should enable to > provide more logs, lemme know. I can also give iwlwifi-next a try if > there're any important patches pending. The p2p-dev-wlan0 related > errors are quite confusing, but I think they're caused by the fact > that there's no netdev for the device. At least I only have wlan0 and > p2p-wlan0-0 during runtime, a p2p-dev-wlan0 never shows up. > > Thanks > David -- 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
