Authentication timeout with wext driver and ipw3945 card

Giuliano Pasqualotto giuliano.pasqualotto
Sun Jan 20 04:15:01 PST 2008

Hi Dan,
thank you for your reply.

>This could be your problem.  Use ap_scan=1 or ap_scan=2.
I've tried both, and in the first case wpa_supplicant tries to connect
without results, and in the output I notice this phrase:
     ioctl[SIOCSIWENCODEEXT]: Invalid argument
     Driver did not support SIOCSIWENCODEEXT
     WPA: Failed to set PTK to the driver.
In the second case nothing significant seems to happen (well, to me).

>This means that the driver was unable to authenticate and associate to
>your access point with the given settings.  This means that either (a)
>your settings are wrong, or (b) the driver has a bug.

For the point (a)... Configuration is correct I hope, anyway,
that's the "iwlist" output:

                    Address: 00:1B:11:86:D7:8A
                    Protocol:IEEE 802.11bg
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
                              11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Quality=100/100  Signal level=-19 dBm  Noise level=-19
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    Extra: Last beacon: 80ms ago

>First I'd make 100% sure that your settings in the wpa_supplicant config
>are correct, then I guess you get to enable debugging in the kernel>driver
and try to trace why the driver isn't able to associate with the
>parameters you gave it.

>What kernel version?  What version of ipw3945?  What version of
>ieee80211 stack?  You might want to try mac80211 and iwl3495 instead
>just for another data point.
My kernel is the vanilla, the ipw3945 driver is the 1.2.2 (firmware
and I've built 802.11 stack and mac like a module, during kernel compiling.
I've already enabled debugging for mac, ieee802.11 and ipw driver, tell me
if (and how) I could give you more informations.

Thank you in advance Dan :-)
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