From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750849AbcL1Duv (ORCPT ); Tue, 27 Dec 2016 22:50:51 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53258 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750705AbcL1Duu (ORCPT ); Tue, 27 Dec 2016 22:50:50 -0500 Date: Wed, 28 Dec 2016 11:50:44 +0800 From: Peter Xu To: Larry Finger Cc: Linux Kernel Mailing List , linux-wireless@vger.kernel.org Subject: Re: Intel Wireless 7260 failed to work Message-ID: <20161228035044.GA3924@pxdev.xzpeter.org> References: <20161227091706.GA20895@pxdev.xzpeter.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 28 Dec 2016 03:50:49 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 27, 2016 at 10:41:22AM -0600, Larry Finger wrote: > On 12/27/2016 03:17 AM, Peter Xu wrote: > >Hello, > > > >Looks like latest Linux master (4.10-rc1, 7ce7d89f) cannot work well > >with my wireless card, which is: > > > > Intel Corporation Wireless 7260 (rev bb) > > > >Boot message shows that no suitable firmware found: > > > > # journalctl -kp3 > > Dec 27 16:38:00 kernel: Error parsing PCC subspaces from PCCT > > Dec 27 16:38:00 kernel: mmc0: Unknown controller version (3). You may experience problems. > > Dec 27 16:38:02 kernel: DMAR: DRHD: handling fault status reg 2 > > Dec 27 16:38:02 kernel: DMAR: [DMA Write] Request device [00:02.0] fault addr 7200000000 [fault reason 05] PTE Write a > > Dec 27 16:38:03 kernel: tpm tpm0: A TPM error (6) occurred attempting to read a pcr value > > Dec 27 16:38:04 kernel: iwlwifi 0000:03:00.0: no suitable firmware found! > > > >Linux stable/master (Linux 4.8-rc8, 08895a8b6b) works for me. And no > >further tests have been done yet. > > > >Is this a known issue? Please let me know if anyone wants more info or > >logs, since this error triggers easily (everytime I boot). > > > > The problem appears to be specific for your system. On my Toshiba Tecra > A50A, kernel 4.10-rc1 the driver works the same as in earlier kernels. The > dmesg log shows the following: > > [ 4.760600] Intel(R) Wireless WiFi driver for Linux > [ 4.760601] Copyright(c) 2003- 2015 Intel Corporation > [ 4.799519] iwlwifi 0000:04:00.0: loaded firmware version 17.352738.0 > op_mode iwlmvm > [ 4.880820] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC > 7260, REV=0x144 > [ 4.883340] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled > [ 4.883584] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled > > I'm not sure if the driver would look for firmware version 16 if 17 would > not be available, but I think it would. > > Check for firmware file /lib/firmware/iwlwifi-7260-17.ucode. If that is not > present for your distro, it is in the repo at > git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/linux-firmware.git. This is useful. :-) Putting iwlwifi-7260-17.ucode into /lib/firmware fixes my issue. Thanks for the link! -- peterx