From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout-de.gmx.net ([213.165.64.22]:39124 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751277Ab2AGWMk (ORCPT ); Sat, 7 Jan 2012 17:12:40 -0500 Content-Type: text/plain; charset=UTF-8 From: John Wyzer To: linux-wireless Subject: Re: HT40 not working for Intel 5100 AGN ? In-reply-to: <1325965297-sup-3780@localhost> References: <1325965297-sup-3780@localhost> Date: Sat, 07 Jan 2012 23:12:21 +0100 Message-Id: <1325974267-sup-3125@localhost> (sfid-20120107_231259_704751_48976D15) Sender: linux-wireless-owner@vger.kernel.org List-ID: 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.