On Mon, May 18, 2015 at 10:01 AM, darklight wu <darklightwu@xxxxxxxxx> wrote: > Hi, All: > > I configured the Wifi Monitor mode with Intel 7260 card under > Ubuntu14.04 and then used Wireshark to capture packets from air. But I > could only get management/control packets but no data packets. I tried > different channels and also with HT20 or HT40+/-. > > The commands I used were: > > iw dev wlan0 interface add mon0 type monitor > iw dev wlan0 del //I googled and was told I needed to delete the > wlan0 first. Or else I got device busy (-16) error > ifconfig mon0 up > iw dev mon0 set channel 1 > > I also tried to use other ways like "airmon-ng start wlan0". All the > observations were same, no data packets. It's weird! Anyone has a > clue? > This is weird. But I recommend to add power_scheme=1 as a module parameter to iwlmvm. Since iwlmvm is loaded automatically, you'll need to add that to /etc/modprobe.d/iwlwifi.conf. 14.04 ships 3.13 and I remember we had issues with monitor mode at that time. You may want to try a newer kernel. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html