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Posted by:nitishd
Subject:Prism GT card not capturing data frames in monitor mode :O
Date:10:11:59 07/01/2009

wireless card : Intersil Corporation ISL3890 [Prism GT/Prism Duette]/ISL3886 [Prism Javelin/Prism Xbow] (rev 01)
Ubuntu hardy 8.04
hey !
My wireless card isnt capturing data packets in monitor mode. I have tried with many sniffers like wireshark,kismet,airodump-ng but aint working . It is only capturing beacon frames broadcasted by AP's .
I dont seem to figure out the reason fr it. Kismet takes it nicely into monitor mode but if I try to take it in monitor mode using airmon-ng it returns some error :
sudo airmon-ng start wlan0

Interface Chipset Driver

wlan0 prism54pci - [phy0]/usr/sbin/airmon-ng: 833: cannot create /sys/class/ieee80211/phy0/add_iface: Directory nonexistent
Error for wireless request "Set Mode" (8B06) :
SET failed on device mon0 ; No such device.
mon0: ERROR while getting interface flags: No such device

(monitor mode enabled on mon0)

Following is the result of lshw -C network :
description: Wireless interface
product: ISL3890 [Prism GT/Prism Duette]/ISL3886 [Prism Javelin/Prism Xbow]
vendor: Intersil Corporation
physical id: x
bus info: xxxxxx
logical name: wmaster0
version: x
serial: xxxxxx
width: 32 bits
clock: xxxxx
capabilities: pm bus_master cap_list logical wireless
configuration: broadcast=yes driver=prism54pci latency=32 maxlatency=28 mingnt=10 module=p54pci multicast=yes promiscuous=yes wireless=IEEE 802.11g

Please help me out. Thanks for your time.

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