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[Solved] wpa_supplicant failed to start correctly
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GTXcube
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Joined: 05 Apr 2012
Posts: 31

PostPosted: Sun Dec 23, 2012 3:08 pm    Post subject: [Solved] wpa_supplicant failed to start correctly Reply with quote

Hello everybody. Today I reinstalled my gentoo but somethings wrong with my wifi. When i try to start wpa_supplicant with this cmd
Code:
wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant/wpa_supplicant.conf

it says:
Code:
ioctl[SIOCSIWPMKSA]: Invalid argument
ioctl...
Could not read SSID from driver


My wpa_supplicant.conf looks like:
Code:
ap_scan=0
ctrl_interface=DIR=/var/run/wpa_supplicant

network={
   ssid="my network"
   psk="my pass"
   scan_ssid=1
   proto=WPA2
   key_mgmt=WPA-PSK
   group=CCMP TKIP
   pairwise=CCMP TKIP
   priority=5
}


And my /etc/conf.d/net looks like this:
Code:
dns_domin_lo="homenetwork"
nis_domain_lo="my-nisdomain"
modules_wlan0="wpa_supplicant"
wpa_supplicant_wlan0="-Dwext"
config_wlan0="dhcp"


When I try to start /etc/init.d/net.wlan0, it says:
Code:
WARNING: net.wlan0 has already started, but its inactive


I use belkin wireless pci card with ath5k chip. wpa_supplicant package has been compiled with dbus, readline and ssl use flags. Where can be a problem ? Before I used cable LAN connection so I have no experience with wifi. Thanks for reply :)


Last edited by GTXcube on Fri Dec 28, 2012 10:06 am; edited 1 time in total
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gabrielg
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Joined: 16 Nov 2012
Posts: 87

PostPosted: Sun Dec 23, 2012 4:27 pm    Post subject: Reply with quote

Hi, GTXcube, I haven't got much experience with your card in particular, but I'll try to help.

First of all, you shouldn't need to run wpa_supplicant manually (although it helps to troubleshoot problems). Are you familiar with this guide? http://wiki.gentoo.org/wiki/Wpa_supplicant

Secondly, are you sure that your card's drivers are configured/loaded properly? Perhaps providing the output of lspci -k could help. Also, check dmesg and /var/log/messages for anything strange regarding your ath5k card. Did you configure your kernel as is explained here? http://www.linuxwireless.org/en/users/Drivers/ath5k#Enabling_ath5k.

Your configuration seems ok from where I stand, if not a little bit excessive - I use WPA2 and setting ssid and psk are enough (wpa_supplicant does the rest for you).

HTH
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GTXcube
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PostPosted: Sun Dec 23, 2012 9:09 pm    Post subject: Reply with quote

1. yes i used this guide
2. yes i did but I am not sure if is kernel config correct
What else should I post guys ?
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gabrielg
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PostPosted: Sun Dec 23, 2012 9:26 pm    Post subject: Reply with quote

Start with your kernel config and version, I have a box with that card and will compare. Use pastebin or similar please.
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GTXcube
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PostPosted: Sun Dec 23, 2012 9:57 pm    Post subject: Reply with quote

Version of my kernel is 3.6.11 and this is my config:
Code:
http://pastebin.com/dsG1HpJM
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gabrielg
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PostPosted: Mon Dec 24, 2012 10:39 am    Post subject: Reply with quote

Try setting this in your kernel config, recompile, reboot and test:
Code:

CONFIG_CFG80211_WEXT=y


Not sure how experienced you are with kernel config, but you can either do it directly in .config or via the menu - the "/" command is useful while in the config menu, it allows you to search for symbols and tells you where they are, value and description. This one in particular is:
Quote:

Symbol: CFG80211_WEXT [=y]
Type : boolean
Prompt: cfg80211 wireless extensions compatibility
Defined at net/wireless/Kconfig:134
Depends on: NET [=y] && WIRELESS [=y] && CFG80211 [=y]
Location:
-> Networking support (NET [=y])
-> Wireless (WIRELESS [=y])
-> cfg80211 - wireless configuration API (CFG80211 [=y])
Selects: WEXT_CORE [=y]

The rest seems ok to me.
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wcg
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PostPosted: Thu Dec 27, 2012 11:31 am    Post subject: Reply with quote

Code:

wpa_supplicant_wlan0="-Dwext"


You may not need this. First, this is the default driver, the one wpa_supplicant
will use if you do not pass it any "-D[driver]" option. Second, there is a file
/etc/conf.d/wpa_supplicant (at least on my system after a fairly recent
wpa_supplicant install) that has a variable in it called:
Code:

wpa_supplicant_args=""


(Still empty for me, as I am not passing any arguments to wpa_supplicant
at boot, but I assume that if you wanted to pass wpa_supplicant a "-D[driver]"
option, that is where you would put it.)

I do not know if changing that will fix your problem. (Could just be another
way to "skin the same cat.")
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_______0
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Joined: 15 Oct 2012
Posts: 521

PostPosted: Thu Dec 27, 2012 1:23 pm    Post subject: Reply with quote

post info of these two things:

Code:
dmesg


and wpa_supplicant in VERBOSE MODE.

Also make sure your card doesn't require extra firmware.

Could you also post the output of lsusb??
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GTXcube
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PostPosted: Fri Dec 28, 2012 10:05 am    Post subject: Reply with quote

I just had to activate CONFIG_CFG80211_WEXT=y in my kernel so it works. Sometimes device wlan0 doesnt load adapter but after reboot its ok. I use NetworkManager and it works perfect. Thanks for help guys :)
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