[Asus Transformer TF700] CaptainRewind:
All of a sudden, on Stock + Root TF700T, WiFi won't turn on. I highly doubt that this is related to my WiFi router ... the WiFi won't even enable on the tablet, and I can't even see a MAC address in About Tablet section.

I also did some digging and have some additional detail, but I cannot find a solution.

logcat:

E/WifiHW ( 122): Failed to open wlan fw path param (No such file or directory)
E/SoftapController( 122): Softap fwReload - failed: -1
E/WifiStateMachine( 489): Failed to reload STA firmware java.lang.IllegalStateException: command '43 softap fwreload wlan0 STA' failed with '400 43 Softap operation failed (No such file or directory)'
W/CommandListener( 122): Failed to retrieve HW addr for wlan0 (No such device)
D/CommandListener( 122): Setting iface cfg
E/WifiStateMachine( 489): Unable to change interface settings: java.lang.IllegalStateException: command '45 interface setcfg wlan0 0.0.0.0 0 down' failed with '400 45 Failed to set address (No such device)'
E/WifiHW ( 489): wpa_ctrl_open fail, retry again
I/wpa_supplicant( 2767): Successfully initialized wpa_supplicant
E/wpa_supplicant( 2767): nl80211: Could not add multicast membership for scan events: -2 (No such file or directory)
E/wpa_supplicant( 2767): Failed to initialize driver 'nl80211'
E/wpa_supplicant( 2767): wlan0: Unsupported driver 'nl80211'
D/dalvikvm( 1258): GC_CONCURRENT freed 427K, 14% free 3700K/4272K, paused 3ms+3ms, total 57ms
D/AsusBrightnessManager( 489): br transform : 35 -> 13
D/DockManagerService( 489): mLastAcOnline:false mAcOnline:false
D/LowBatteryService( 1487): onReceive:Intent { act=android.intent.action.BATTERY_CHANGED flg=0x60000010 (has extras) }
D/LowBatteryService( 1487): mAcOnline = false, mDeviceBatteryLevel = 96, mDockBatteryLevel = 0, mDockBatteryStatus = 0
D/LowBatteryService( 1487): Battery level is higher than threshold, no need to apply
D/LowBatteryService( 1487): Battery level is good, no need to apply low battery config.
D/DockManagerService( 489): mLastAcOnline:false mAcOnline:false
D/LowBatteryService( 1487): onReceive:Intent { act=android.intent.action.BATTERY_CHANGED flg=0x60000010 (has extras) }
D/LowBatteryService( 1487): mAcOnline = false, mDeviceBatteryLevel = 96, mDockBatteryLevel = 0, mDockBatteryStatus = 0
D/LowBatteryService( 1487): Battery level is higher than threshold, no need to apply
D/LowBatteryService( 1487): Battery level is good, no need to apply low battery config.
E/WifiHW ( 489): Supplicant not running, cannot connect
E/WifiHW ( 489): Supplicant not running, cannot connect
E/WifiHW ( 489): Supplicant not running, cannot connect
E/WifiHW ( 489): Supplicant not running, cannot connect
E/WifiHW ( 489): Supplicant not running, cannot connect
E/WifiHW ( 122): Failed to open wlan fw path param (No such file or directory)
E/SoftapController( 122): Softap fwReload - failed: -1
E/WifiStateMachine( 489): Failed to reload STA firmware java.lang.IllegalStateException: command '46 softap fwreload wlan0 STA' failed with '400 46 Softap operation failed (No such file or directory)'
E/WifiStateMachine( 489): Failed 6 times to start supplicant, unload driver
W/CommandListener( 122): Failed to retrieve HW addr for wlan0 (No such device)
D/CommandListener( 122): Setting iface cfg
E/WifiStateMachine( 489): Unable to change interface settings: java.lang.IllegalStateException: command '48 interface setcfg wlan0 0.0.0.0 0 down' failed with '400 48 Failed to set address (No such device)'
E/WifiHW ( 489): wpa_ctrl_open fail, retry again
I/wpa_supplicant( 2792): Successfully initialized wpa_supplicant
E/wpa_supplicant( 2792): nl80211: Could not add multicast membership for scan events: -2 (No such file or directory)
E/wpa_supplicant( 2792): Failed to initialize driver 'nl80211'
E/wpa_supplicant( 2792): wlan0: Unsupported driver 'nl80211'
D/dalvikvm( 1258): GC_CONCURRENT freed 427K, 14% free 3700K/4272K, paused 2ms+1ms, total 22ms
W/NvCpuClient( 489): Failed to bind to service
D/AsusBrightnessManager( 489): br transform : 35 -> 13
E/WifiHW ( 489): Supplicant not running, cannot connect
W/NvCpuClient( 489): Failed to bind to service

Also, output from netcfg:

root@android:/ # netcfg
lo UP 127.0.0.1/8 0x00000049 00:00:00:00:00:00
dummy0 DOWN 0.0.0.0/0 0x00000082 76:ad:93:6b:c9:b7
sit0 DOWN 0.0.0.0/0 0x00000080 00:00:00:00:00:00
ip6tnl0 DOWN 0.0.0.0/0 0x00000080 00:00:00:00:00:00

And here is output of my wpa_supplicant.conf:

root@android:/ # cat /etc/wifi/wpa_supplicant.conf
update_config=1
ctrl_interface=wlan0
eapol_version=1
ap_scan=1
fast_reauth=1

And I searched the entire filesystem for "nl80211" and found nothing.

Does anyone have suggestions on where to go next? Did my driver somehow get deleted, or am I just not looking for the right thing?

Thanks.