Werner Almesberger wrote:
Sean McNeil wrote:
This has been broken for me a long time on various kernels. It must me something I'm doing wrong. I'll need to get Werner to help me on this. I just can't get anything on a scan at all.

Does this happen with  iwlist scan  or with some other program ?

It is happening with wpa_cli. I basically get a message:

ar6000_ioctl_giwscan(): data length 0

I think it is an wext issue. with wpa_supplicant support.

Also, if even iwlist scan doesn't work, does anything run before it
that touches WLAN ?

Yes, it would appear that iwlist is working. I'll need to see what it is doing differently.

As far as I can tell, at least iwlist scan on a pristine system (i.e.,
one that doesn't do things with WLAN on its own) works for everyone.
The real problems only seem to kick in once wpa_supplicant had a
chance to run.

OK, so it is probably something in the wext layer?


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