Return-path: Received: from mail-oi0-f53.google.com ([209.85.218.53]:45465 "EHLO mail-oi0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932747AbeFUPN5 (ORCPT ); Thu, 21 Jun 2018 11:13:57 -0400 Received: by mail-oi0-f53.google.com with SMTP id 188-v6so3233350oid.12 for ; Thu, 21 Jun 2018 08:13:57 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20180621140140.BQL4E.211759.root@dnvrco-web04> References: <5B280692.2060106@broadcom.com> <20180621140140.BQL4E.211759.root@dnvrco-web04> From: Tom Psyborg Date: Thu, 21 Jun 2018 17:13:56 +0200 Message-ID: (sfid-20180621_171401_496010_4CE41939) Subject: Re: Atheros AR9462 - 5Ghz not working To: mgreger@cinci.rr.com Cc: Arend van Spriel , Janusz Dziedzic , linux-wireless , =?UTF-8?Q?Micha=C5=82_Kazior?= , sedat.dilek@gmail.com, Martin Blumenstingl Content-Type: text/plain; charset="UTF-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: with mPCIe version i got one could only read eeprom but not write, or the information presented were wrong.. On 21/06/2018, mgreger@cinci.rr.com wrote: > > ---- Arend van Spriel wrote: >> + Martin >> >> On 6/18/2018 3:53 PM, mgreger@cinci.rr.com wrote: >> > >> > ---- Tom Psyborg wrote: >> >> Hi >> >> >> >> Your log only show attemps on ch 2447, Can you try connecting to 5GHz >> >> AP? Connect to Hidden Wireless Network option at the bottom of the >> >> nm-applet? Running airodump in monitor mode to see if it captures >> >> anything? Maybe your laptop's antennas were designed for 2.4G card >> >> only but this just dumb guessing... >> >> >> > >> > It won't connect to any 5GHz AP. >> > I don't run network manager or Gnome, in fact X11 is not installed on >> > this machine at all. >> > I don't think there is such a thing as 2.4GHz vs 5GHz antennas. >> >> Actually there is. At least there are 2.4G specific antennas and >> dual-band antennas. >> >> In 4.11 there have been a couple eeprom related changes dealing with >> endianness of fields in eeprom. Could be those cause a regression for >> you. I don't have the exact sha id of those commits, but I added the >> author to this thread. >> >> Regards, >> Arend >> > > An interesting new development: > > I've confirmed it's not the antenna as I was able to acquire some more cards > from a different source which work fine. > > Ostensibly they are the same card: Atheros AR9462 : QCNFA222 reference > design. > > The output from lspci for both working and non-working cards is: "03:00.0 > Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter". > > However the Subsystem listed in lspci is different. I don't have the exact > value at the moment for the working cards, but it lists Dell and the part > number DW1802. The non-working cards are AzureWave. > > I've seen a lot of similar cards on ebay that I suspect are the AzureWave. A > few offers on ebay are for the genuine Dell parts. > > What would be the best way to compare and contrast these cards to determine > if there is a way to make them work? > > Inspect EEPROM? Someone previously mentioned calibration data, but I have no > idea if it's possible to inspect or alter that. >