Return-path: Received: from mail-oi0-f43.google.com ([209.85.218.43]:50034 "EHLO mail-oi0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751234AbdKMVac (ORCPT ); Mon, 13 Nov 2017 16:30:32 -0500 Received: by mail-oi0-f43.google.com with SMTP id r190so3229872oie.6 for ; Mon, 13 Nov 2017 13:30:32 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <3045d677-8f24-b258-0eaf-ee8dae5ecd4c@lwfinger.net> References: <3045d677-8f24-b258-0eaf-ee8dae5ecd4c@lwfinger.net> From: Bartosz Golaszewski Date: Mon, 13 Nov 2017 22:30:31 +0100 Message-ID: (sfid-20171113_223038_305862_85A89108) Subject: Re: Fwd: linux v4.14 causes firmware iwlwifi errors on Lenovo Thinkpad T440s To: Larry Finger Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, Berg , Emmanuel Grumbach , Luca Coelho Content-Type: text/plain; charset="UTF-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: 2017-11-13 21:45 GMT+01:00 Larry Finger : > On 11/13/2017 02:22 PM, Bartosz Golaszewski wrote: >> >> Forwarding here too as I messed up the address the last time. >> -- >> >> Hi, >> >> I noticed my wireless interface can't get up with linux v4.14 and the >> kernel log is flooded with firmware errors: >> >> iwlwifi 0000:03:00.0: Firmware error during reconfiguration - reprobe! >> iwlwifi 0000:03:00.0: FW error in SYNC CMD DQA_ENABLE_CMD >> >> and >> >> ieee80211 phy63: Hardware restart was requested. >> >> The wireless controller is: Intel Corporation Wireless 7260 (rev 83) >> Firmware used is: iwlwifi-7260-17 >> >> Everything works fine with v4.13.12. >> >> I didn't have time today to bisect for the offending commit. Full log >> uploaded[1]. >> >> Best regards, >> Bartosz Golaszewski >> >> [1] https://pastebin.com/jksqxvS6 > > > Your log shows "iwlwifi 0000:03:00.0: loaded firmware version 17.228510.0 > op_mode iwlmvm" > > Mine, where the 7260 works, shows "iwlwifi 0000:04:00.0: loaded firmware > version 17.459231.0 op_mode iwlmvm". > > It seems as if you need newer firmware. A detailed file listing shows > "-rw-r--r-- 1 root root 1049340 Oct 9 12:03 > /lib/firmware/iwlwifi-7260-17.ucode". That date is likely when I installed > the updated kernel firmware package from my distro. The md5sum for the file > is 73a217f55c47d3a70bb5dbbe1d676423. > > Larry > Ok so it seems the version in linux-firmware is outdated. The file you're using is available on github[1] and fixed the issue for me. Thanks! Bartosz Golaszewski [1] https://github.com/OpenELEC/iwlwifi-firmware