WG: Debug wpa_supplicant (Ubuntu 12.04)

Arend van Spriel arend at broadcom.com
Mon Mar 16 09:21:43 EDT 2015


On 03/16/15 13:20, volker.obhof.w at sew-eurodrive.de wrote:
> What I mean with "working correctly" is that the WLAN interface wlan0 can be activated with Ubuntu network manager and if I start wpa_cli with root I get the following output:
>
> Selected interface 'wlan0'
> wpa_state=SCANNING
> address=04:f0:21:01:3d:86
> uuid=b0106028-f7cd-5646-b113-89d480003807
>
> So it scans all the time. I think the wlan device has to go into state like "ready" or something else.
>
> I appended wpa_supplicant verbose info in "debug_info.txt" file.

Your configuration seems to look for this network:

    id=0 ssid='example open network'

But it never shows up in the scan results. Hence it remains scanning.

Regards,
Arend

>
>
> -----Ursprüngliche Nachricht-----
> Von: hostap-bounces at lists.shmoo.com [mailto:hostap-bounces at lists.shmoo.com] Im Auftrag von Jouni Malinen
> Gesendet: Montag, 16. März 2015 12:34
> An: hostap at lists.shmoo.com
> Betreff: Re: Debug wpa_supplicant (Ubuntu 12.04)
>
> On Mon, Mar 16, 2015 at 11:12:29AM +0000, volker.obhof.w at sew-eurodrive.de wrote:
>> I try to debug WPA Supplicant in KDevelop IDE with gnu debugger (gdb) in Ubuntu 12.04.
>>
>> So I startet my own compiled version of wpa_supplicant by gdb: wpa_supplicant –iwlan0 –Dnl80211 –c/home/myconf.conf
>
>> When I start wpa_supplicant with gdb and as root I get the following output:
>>
>> Successfully initialized wpa_supplicant
>> wlan0: CTRL-EVENT-SCAN-STARTED
>> wlan0: CTRL-EVENT-SCAN-STARTED
>>
>> If I start wpa_supplicant as daemon during boot, I works correct.
>
> Could you please clarify what you mean with "working correctly" and how
> that output from executing under gdb does not match that expected
> functionality? You'll probably want to add some more debug verbosity
> (add '-d' to the command line) to figure out what is going on.
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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