Try to remove /data/system/wpa_supplicant/ folder. Or create it. It helped
my device to connect Wifi
On Thursday, October 8, 2015 at 4:32:15 PM UTC+3, Mr. Martin wrote:
>
> I am facing the same problem...
>
>
>
>
>
>
>
> *E/WifiHW ( 828): Unable to open connection to supplicant on
> "/data/system/wpa_supplicant/wlan0": No such file or directorycan somebody
> help ? Martin*
>
> On Thursday, February 17, 2011 at 4:17:08 PM UTC+1, bala krishnan wrote:
>>
>> Hi,
>> I am porting sd8688 wifi module to froyo on pxa3xx based board. While
>> selecting option Wi-Fi from "Wireless & networks" in Android, the driver &
>> firmare is loaded well after that this option got deselected with error.
>>
>> While looking on the external/wpa_supplicant package, I have doubt
>> with following piece of code from wpa_ctrl_open(const char *ctrl_path)
>> which belongs to wpa_ctrl.c file
>>
>> if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest,
>> sizeof(ctrl->dest)) < 0) {
>> close(ctrl->s);
>> unlink(ctrl->local.sun_path);
>> os_free(ctrl);
>> LOGE("wpa_ctrl_open (5)");
>> return NULL;
>> }
>>
>>
>> logcat details
>> =============
>> [ 189.508299] calling lbs_init_module+0x0/0xdc [libertas] @ 861
>> [ 189.514760] initcall lbs_init_module+0x0/0xdc [libertas] returned 0
>> after 8 usecs
>> [ 190.076393] calling if_sdio_init_module+0x0/0x10c [libertas_sdio] @
>> 861
>> [ 190.083400] libertas_sdio: Libertas SDIO driver
>> [ 190.087904] libertas_sdio: Copyright Pierre Ossman
>> [ 190.094414] libertas_sdio mmc1:0001:1: firmware: requesting
>> sd8688_helper.bin
>> [ 190.170002] init: untracked pid 1072 exited
>> [ 190.202575] libertas_sdio mmc1:0001:1: firmware: requesting sd8688.bin
>> [ 190.548485] init: untracked pid 1075 exited
>> [ 191.529540] libertas: 00:27:13:82:f5:d2, fw 10.38.1p25, cap 0x00000303
>> [ 191.551094] libertas: wlan0: Marvell WLAN 802.11 adapter
>> [ 191.560391] initcall if_sdio_init_module+0x0/0x10c [libertas_sdio]
>> returned 0 after 1442302 usecs
>> D/Tethering( 828): wlan0 is not a tetherable iface, ignoring
>> D/skia ( 828): purging 149K from font cache [18 entries]
>> D/dalvikvm( 828): GC_EXPLICIT freed 1956 objects / 154824 bytes in 124ms
>> D/WifiService( 828): ACTION_BATTERY_CHANGED pluggedType: 0
>> E/Wpa_supplicant_code( 828): wpa_ctrl_open
>> (3)ctrl_path=/data/system/wpa_supplicant/wlan0
>> E/Wpa_supplicant_code( 828): wpa_ctrl_open
>> (5)dest.sun_path=/data/system/wpa_supplicant/wlan0
>> sizeof(ctrl->dest.sun_path)=108 ctrl_path=/data/system/wpa_supplicant/wlan0
>> E/Wpa_supplicant_code( 828): wpa_ctrl_open (6)ctrl->s=16
>> &ctrl->dest=c05b2 sizeof(ctrl->dest)=110
>> E/Wpa_supplicant_code( 828): wpa_ctrl_open (5)
>> *E/WifiHW ( 828): Unable to open connection to supplicant on
>> "/data/system/wpa_supplicant/wlan0": No such file or directory*
>> E/wpa_supplicant( 1082): Failed to initialize control interface
>> 'DIR=/data/system/wpa_supplicant GROUP=system'.
>> E/wpa_supplicant( 1082): You may have another wpa_supplicant process
>> already running or the file was
>> E/wpa_supplicant( 1082): left by an unclean termination of wpa_supplicant
>> in which case you will need
>> E/wpa_supplicant( 1082): to manually remove this file before starting
>> wpa_supplicant again.
>> I/wpa_supplicant( 1082): CTRL-EVENT-STATE-CHANGE id=-1 state=0
>> [ 197.630222] pxa2xx-mci pxa2xx-mci.0: unable to stop clock
>> E/wpa_supplicant( 1088): Failed to initialize control interface
>> 'DIR=/data/system/wpa_supplicant GROUP=system'.
>> E/wpa_supplicant( 1088): You may have another wpa_supplicant process
>> already running or the file was
>> E/wpa_supplicant( 1088): left by an unclean termination of wpa_supplicant
>> in which case you will need
>> E/wpa_supplicant( 1088): to manually remove this file before starting
>> wpa_supplicant again.
>> I/wpa_supplicant( 1088): CTRL-EVENT-STATE-CHANGE id=-1 state=0
>> E/WifiHW ( 828): Supplicant not running, cannot connect
>> D/skia ( 895): purging 72K from font cache [10 entries]
>> D/dalvikvm( 895): GC_EXPLICIT freed 9869 objects / 476880 bytes in 180ms
>> E/wpa_supplicant( 1091): Failed to initialize control interface
>> 'DIR=/data/system/wpa_supplicant GROUP=system'.
>> E/wpa_supplicant( 1091): You may have another wpa_supplicant process
>> already running or the file was
>> E/wpa_supplicant( 1091): left by an unclean termination of wpa_supplicant
>> in which case you will need
>> E/wpa_supplicant( 1091): to manually remove this file before starting
>> wpa_supplicant again.
>> I/wpa_supplicant( 1091): CTRL-EVENT-STATE-CHANGE id=-1 state=0
>> E/WifiHW ( 828): Supplicant not running, cannot connect
>> E/wpa_supplicant( 1094): Failed to initialize control interface
>> 'DIR=/data/system/wpa_supplicant GROUP=system'.
>> E/wpa_supplicant( 1094): You may have another wpa_supplicant process
>> already running or the file was
>> E/wpa_supplicant( 1094): left by an unclean termination of wpa_supplicant
>> in which case you will need
>> E/wpa_supplicant( 1094): to manually remove this file before starting
>> wpa_supplicant again.
>> I/wpa_supplicant( 1094): CTRL-EVENT-STATE-CHANGE id=-1 state=0
>> E/WifiHW ( 828): Supplicant not running, cannot connect
>> V/WifiStateTracker( 828): Supplicant died unexpectedly
>> D/WifiStateTracker( 828): Reset connections and stopping DHCP
>> D/WifiStateTracker( 828): Disabling interface
>> D/NetworkStateTracker( 828): setDetailed state, old =IDLE and new
>> state=DISCONNECTED
>> D/ConnectivityService( 828): ConnectivityChange for WIFI:
>> DISCONNECTED/DISCONNECTED
>> D/ConnectivityService( 828): getMobileDataEnabled returning true
>> D/WifiStateTracker( 828): Reset connections and stopping DHCP
>> D/DataConnectionTracker( 891): enableApnType(default), isApnTypeActive =
>> false and state = IDLE
>> D/DataConnectionTracker( 891): type not available
>> D/Tethering( 828): Tethering got CONNECTIVITY_ACTION
>> I/ActivityManager( 828): Start proc android.process.media for broadcast
>> com.android.providers.downloads/.DownloadReceiver: pid=1097 uid=10009
>> gids={1015, 2001, 3003}
>> D/Tethering( 828): MasterInitialState.processMessage what=3
>> E/HierarchicalStateMachine( 828): TetherMaster - unhandledMessage:
>> msg.what=3
>> D/WifiStateTracker( 828): Disabling interface
>>
>> init.rc
>> =======
>> mkdir /data/misc/wifi 0770 wifi system
>> chown wifi system /data/misc/wifi
>> touch /data/misc/wifi/wpa_supplicant.conf
>> chmod 0660 /data/misc/wifi/wpa_supplicant.conf
>> chown wifi system /data/misc/wifi/wpa_supplicant.conf
>> mkdir /data/misc/wifi/sockets 0771 wifi system
>> chown wifi system /data/misc/wifi/sockets
>> chmod 0771 /data/misc/wifi/sockets
>> mkdir /data/misc/android 0770 wifi system
>> mkdir /data/system/wpa_supplicant 0770 wifi system
>> mkdir /data/misc/dhcp 0770 dhcp dhcp
>> chown dhcp dhcp /data/misc/dhcp
>> chmod 0770 /data/misc/dhcp
>> setprop wifi.interface wlan0
>> service wpa_supplicant /system/bin/wpa_supplicant -Dwext -iwlan0
>> -c/data/misc/wifi/wpa_supplicant.conf
>> user wifi system
>> group system
>> disabled
>>
>> service dhcpcd /system/bin/dhcpcd -B wlan0
>> disabled
>> oneshot
>>
>> With Regards
>> J.Balakrishnan
>>
>>
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