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Wed Mar 21 16:38:29 CET 2012

ioctl[SIOCSIWENCODEEXT]: Invalid argument

Something goes wrong when wpa_supplicant tries to configure the network.

  # wpa_supplicant -iwlan0 -c/tmp/wpa_supplicant.conf
  ioctl[SIOCSIWENCODEEXT]: Invalid argument
  ioctl[SIOCSIWENCODEEXT]: Invalid argument

I can see other things go wrong with iwconfig/iwlist, so there is
definitely something not right.  This is on an Acer Aspire TimelineX
3830T-6807, model P3MJ0, MFG Date 2011/08.

Using "-dd" I find that these 2 errors correspond to this, which gives
me the impression that that is not the problem:

  wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
  wpa_driver_wext_set_key: alg=0 key_idx=1 set_tx=0 seq_len=0 key_len=0
  wpa_driver_wext_set_key: alg=0 key_idx=2 set_tx=0 seq_len=0 key_len=0
  wpa_driver_wext_set_key: alg=0 key_idx=3 set_tx=0 seq_len=0 key_len=0
  wpa_driver_wext_set_key: alg=0 key_idx=4 set_tx=0 seq_len=0 key_len=0
  ioctl[SIOCSIWENCODEEXT]: Invalid argument
  Driver did not support SIOCSIWENCODEEXT
  wpa_driver_wext_set_key: alg=0 key_idx=5 set_tx=0 seq_len=0 key_len=0
  ioctl[SIOCSIWENCODEEXT]: Invalid argument
  Driver did not support SIOCSIWENCODEEXT

i.e. it succeeds for ids 0-3 but fails for 4 and 5.

It proceeds to scan, which times out once but seems to continue
properly.  I see I had a wrong essid..  Fixing that it still seems to
kick me off here and there..  However, now my usual scripts work.

Conclusion: stupid typo!  ARGH!





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