Return-path: Received: from mail-bw0-f174.google.com ([209.85.218.174]:57919 "EHLO mail-bw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753570AbZEDTDq (ORCPT ); Mon, 4 May 2009 15:03:46 -0400 Received: by bwz22 with SMTP id 22so659852bwz.37 for ; Mon, 04 May 2009 12:03:45 -0700 (PDT) Subject: RE: [ipw3945-devel] IWL3945 always reports noise levels of -127 From: Maxim Levitsky To: "Cahill, Ben M" Cc: iwlwifi maling list , linux-wireless In-Reply-To: <02B3067C068D0549A8CCFCB17D4D318B3569A43A@orsmsx502.amr.corp.intel.com> References: <1241213459.7082.54.camel@maxim-laptop> <02B3067C068D0549A8CCFCB17D4D318B3569A43A@orsmsx502.amr.corp.intel.com> Content-Type: text/plain Date: Mon, 04 May 2009 22:03:36 +0300 Message-Id: <1241463816.4816.1.camel@maxim-laptop> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, 2009-05-04 at 11:53 -0700, Cahill, Ben M wrote: > When one of our devices cannot figure out what the actual noise level is, it reports -127. > > Newer devices are better at old devices at figuring noise level. IIRC, 3945 cannot figure noise for CCK signals, and may not be possible with OFDM as well. Why then it did work on older kernel ? (and noise levels seemed to be correct) Regards, Maxim Levitsky