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Posted by:dragorn
Subject:Monitor Mode Question
Date:20:16:58 24/01/2007

> Hi,
> I'm trying to run kismet on a Debian laptop using the 2.6.18 and hostap 0.4.4 driver. The pcmcia wireless card is Senao 2511 CD EXT2 PLUS.
> When I started kismet, usually it went fine during the first 3 minutes. Then it started showing the following in the syslog:
>
> Jan 24 11:03:45 t60 kernel: eth3: Disabling monitor mode
> Jan 24 11:03:45 t60 kernel: prism2: eth3: operating mode changed 6 -> 2
>
> It seemed that the wireless card exited the monitor mode.
>
> I tried to upgrade to the newest kismet version but without success.
> Could it be a driver issue or there is some kismet configuration I missed?

Something else is changing your card. Either the driver freaked and dropped (not too likely) or something like hostapd or networkmanager changed the mode (pretty likely).

Make sure to disable stuff like your desktop wifi manager when running Kismet -- they don't like to ignore cards in monitor mode and pull it back into managed mode w/out asking.

-m


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