wireless scan: 'ifconfig <iface> scan' hangs often

[Yuri]

Sérgio de Almeida Lenzi wrote:
>
> try using ifconfig ath0 list scan
>
> it will list the contents of the cache in the sip and never hangs....

Sérgio,

This works but what if I need to update cache?
Cache update hangs.

Yuri