This was not a bug. I had to search for ages however to find out about the fact that HT40 only works with WPA2 and not with WPA. ;-) Excerpts from John Wyzer's message of 2012-01-07 20:42:33 +0100: > Kernel: git tag v3.2 > > After modprobe: > Detected Intel(R) WiFi Link 5100 AGN, REV=0x54 > > If have an AP with openwrt configured to work with 802.11g+n, HT40+. > A different Laptop with Windows installed connects with 150Mb/s > > The maximum bitrate for the aforementioned Intel card however is displayed by > iwconfig to be 54 Mb/s which seems to be confirmed by the actual transfer > rates. > The connection is being established by wpa_supplicant 0.7.3. > > I tried researching this problem but did not really find it documented. Is this > a known issue or can I provide further information for debugging? > > Many thanks, > John > > PS: please include me in the reply. -- 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