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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