From owner-freebsd-current@FreeBSD.ORG Thu Jun 11 20:02:03 2015 Return-Path: Delivered-To: freebsd-current@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 761D3717; Thu, 11 Jun 2015 20:02:03 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-ig0-x22e.google.com (mail-ig0-x22e.google.com [IPv6:2607:f8b0:4001:c05::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3F17A18E4; Thu, 11 Jun 2015 20:02:03 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by igbhj9 with SMTP id hj9so60626838igb.1; Thu, 11 Jun 2015 13:02:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=5box4kZKg1Vyii3hnjkTu4tfqfnDbee76LnYsptvFRU=; b=lgMkBBQmB8SSzOprDi505E7a/SyKS2OZqUtMyZ6ooOwbNk48xRekeZrW95A8yTHpgR sg7pfA8J9IN2T+k1u9iVOLX4zY1lYZQmcxcVX1qg+65hMXM8Q37vkZqqsKEgOwHzANuS t73BPXKm1L2BQoYFWrbhy0SUr1pVZCp9hHtTaPqRAzNZKI6fBa7HevJbeyXULkQRxkNu mHNDxMsT0bVBenfPqz7msWQFSVU8Wv7TlRInGebR8RdHJ8OYI2UI3yaLzK1TxkddXgF6 Pg7CqRwccYBALl33sy1RcsNFk16yjZApCiEB6ps5eu59vbVCbhH0Wo4FGSQ+CAH8UwYt kj8Q== MIME-Version: 1.0 X-Received: by 10.50.73.198 with SMTP id n6mr36556246igv.32.1434049132454; Thu, 11 Jun 2015 11:58:52 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.36.38.133 with HTTP; Thu, 11 Jun 2015 11:58:52 -0700 (PDT) In-Reply-To: <60388.1434024213@critter.freebsd.dk> References: <60388.1434024213@critter.freebsd.dk> Date: Thu, 11 Jun 2015 11:58:52 -0700 X-Google-Sender-Auth: M7oVzzjpp0s0XIa7_gKcqJtgJrA Message-ID: Subject: Re: Those at BSDCan 2015: please test: iwn(4) patch to buffer 5ghz frames before transmitting From: Adrian Chadd To: Poul-Henning Kamp Cc: Ed Maste , "freebsd-wireless@freebsd.org" , freebsd-current Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Jun 2015 20:02:03 -0000 On 11 June 2015 at 05:03, Poul-Henning Kamp wrote: > -------- > In message > , Ed Maste writes: > >>I'm running with the patch at BSDCan. Failed to associate several >>times at 5Ghz before settling on channel 11 (2462 MHz 11g ht/20). A >>log with: >> >>wlandebug +assoc +state +rate >>sysctl dev.iwn.0.debug=0x1 > > I have had no luck getting my T430s to associate at 5GHz either, so > much so that I started wondering if I even have 5G antennas in this > laptop or not... > > wn0: mem 0xd1c00000-0xd1c01fff irq 17 at device 0.0 on pci3 > iwn0: iwn_read_firmware: ucode rev=0x12a80601 It's a firmware quirk that the driver never really dealt with right. :( That NIC should be dual-band. Try doing the above debugging (with IEEE80211_DEBUG / IWN_DEBUG compiled in) and let me see what happens. -adrian